New Circuits Page 36
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Both halves of the circuit are identical. Both inputs have a dc path to ground via the input 47k control which ought to be a dual log type potentiometer. The balance control is a single 47k linear potentiometer, which at middle modification prevents even....
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Simple variable frequency oscillator. This is a very simple circuit utilising a 555 timer IC to generate square wave of frequency that can be adjusted by a potentiometer. With values given...
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This project is a GPS based clock, which also displays the present date, automatically compensates for daylight savings time, displays current speed, and maximum speed, along with your present heading in degrees with respect to true north. The original....
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Touch controls are not only used to switch devices on or off. They can also be used to control different functions. One good example is the TV remote control. If it is very important to keep the activated functions for a long period of time, it is always....
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applications in the 2400 MHz ISM band. This two stage RFIC amplifier is off-chip matched to provide optimum performance for a variety of applications. Operating from a 5 volt supply, the PM2107 can produce 1 watt of saturated output power with 45% typical....
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AMIS-49200-XTP is a sub package of AMIS-492X0, If you need see the description, please click AMIS-492X0. If you need AMIS-49200-XTP`s datasheet, please download it from below. By ON Semiconductor ..
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Here we define 7 levels in thereservoir. The sensed values are connected to an encoder circuit. The encoder circuit consist of a 74148 IC, which is a 8 line to 3 line encoder. Next section is the HEX Display` which is a special type of 7 segment display. It....
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This is a circui for audio frequency meter. This circuit uses 555 IC as a mono stable multi vibrator (one-shoot trigger). A mono stable multi vibrator can act as a frequency-to-voltage converter because it produces a fixed pulse width, with the repetition....
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The single-transistor inverter circuit illustrated earlier is actually too crude to be of practical use as a gate. Real inverter circuits contain more than one transistor to maximize voltage gain (so as to ensure that the final output transistor is either in....
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The following circuit shows about KLR650 Electrical wiring diagram. Features: reliable, provides good all-around performance, easy to maintenance, four-stroke DOHC dual-counter balanced, single-cylinder, cheap, water-cooled engine develops a claimed 44 hp....
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This microphone preamplifier incorporates automatic gain control, which keeps the output level fairly constant over a wide range of input....
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The following circuit shows about 555 IC For IR Remote Control Extender Circuit. Features: 850 and 950 nm signal, the control pulses and a ....
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This is a variable power supply controlled with PIC microcontroller. There is LCD display in this circuit which will show the actual value of power supply output. This power supply use push on switch to adjust the output voltage and current value. The top....
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Below is a comparator circuit which is can measure with step of 1 volt, the voltage of car battery. The indication of voltage is done by comparison of? ...
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A multivibrator is a form of relaxation oscillator which comprises two stages that are coupled so that the input of one is derived from the output of the other. A multivibrator is basically two amplifier circuits arranged with regenerative feedback. One of....
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This is circuit design for a laser diode driver can be implemented using voltage-controlled current source. This simple linear laser diode driver gives cleaner drive current than a switched (PWM) drivers. This circuit is based on OPA350 IC. This is the....
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A very simple ultrasonic parking sonar electronic project can be designed using this schematic circuit. This ultrasonic parking sonar electronic project has an adjustable detection range from 5 cm up to 1. 5 meters and a detection angle of 5 degrees. This....
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In supply section after bridge rectifier and smoothing capacitor is used common voltage regulator LM317, which has with R1 and R2 adjusted output voltage about 8V. Supply line goes through inductor to DAC chip for theoretically lower HF interference which....
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The essential principles of mixing audio signals are straightforward, but strangely are not explained very well at all on the Net. This article should fill the gaps....
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The schematic show that the AccelR8 only uses 3 IC`s. An AVR 8515 microcontroller do the calculation work and controls the other circuits. An MAX603 controls voltage and power-on/power-off. And the chip that makes it all possible, the ADXL202 from Analog....
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Nowadays a lot of intercom units are equipped with video cameras so that you can see as well as hear who is at the door. Unfortunately, the camera lens is perfectly placed to serve as a sort of support point for people during the conversation, with the....
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Digital scoreboard circuit functions to display values from 0 to 9 on the 7 segment display. 7 segments using a common type of anode..
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With many audio systems consisting of separate units, you`ll oftennd that due to economic reasons only the amplifier has a remote control receiver module. The control signals are then sent to the other units using patch cables. The tuner and CD player, for....
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This schematic diagram below show a circuit of VOX Box (voice-operated switch). This circuit consist of a Schmitt trigger, a relay driver, and microphone....
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The 22 turn coil is on top of the 84 turn coil. It makes a difference having this coil connected. I have tried with a 1kw heater and worked better but if I leave it on for too long I am sure it will blow it too. The wire in the heater normaly is not as....
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This circuit is conventional Pierce type oscillator that uses a JFET. The circuit uses fundamental mode crystals. It has decent performance and reliability if we use a low noise JFET. This is the figure of the circuit. The feedback is controlled by the C1....
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Before I emailed Pablo Gian Villamil and he sent me on a link to his class notes (yay!) for Generating polyphonic sound with Arduino I tried to work out his circuitry from his various blog posts and component listings CMOS Hex Schmitt Trigger Inverter....
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This circuit is built around a 555 timer using very few components. Since the circuit is very simple, even a novice can easily build it and use it as a controlling device. A laser pointer, now easily available in the market, can be used to operate this....
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* 2 x 47k ohm resisters anything from 22k to 100k ohm should work. Value of these changes the timing of blinking (larger the value, slower the blinking)...
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I MAID THIS PROJECT SUCCESSFULLY. WITH PROPER FREQUENCY AND STRENGTH. IF YOU WANT HELP THEN CONTACT ME i will surly help you to bring out you from the problem :) ..
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This control circuit is composed of the AC step-down rectifier circuit, the astable multivibrator, the timing control circuit, the optocoupler circuit and the SCR driving circuit.etc. As the figure 17-61 shows. The astable multivibrator is composed of the....
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A car battery deteriorates in use and its life seldom exceeds four years. When new, its voltage may drop to only 2V while cranking the engine. As the batt....
-
This project was a particular surprise for me in that the BC547 (equiv 2N2222) can be used to build a 500mW linear amplifier covering the entire HF band with excellent spectral purity and no neutralizing at all. Ugly-bug construction was used but I dare say....
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This paper describes the process by which a control circuit for a stepper-motor was designed. Due to the nature of the stepper motor, the control circuit had to be a state machine that cycled through four output states based on two input conditions....
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The microcontroller within A / D converter can use PIC MCU within A / D converter produced by the Microchip. MMA1220D`s state end and self-test end are connected to the P1, P0 ports of ?C, its output voltage is sent to the A / D converter input end. C1, C2....
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This turned out to be quite an interesting project. It all began as a project for a paying customer, but I found that the circuit had quite a lot of advantages over previous similar projects. It is basically an inverter for converting power from 12v DC to....
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The following circuit shows about Electromagnetic Field Sensor Circuit Diagram. This circuit based on the uA741 IC. Features: used to sense ....
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In principle, the square wave oscillator doesn`t have to be a 555 timer, it could be a ring oscillator using inverters as you propose. In practice, using 4000 series CMOS logic for example, the negative output voltage produced would not be able to provide a....
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Here are the datasheet and the circuit dram of a PC Switching Power Supply using the IC CG8010DX16....
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It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400Hz to 50MHz. I used faster, 20MHz version of 16F84A-20I/P, and it managed to count 80MHz oscillator output...
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Arduino Uno has a ATMEGA328P-PU microcontroller, and bunch of other stuff on the board. I`d like to program the chip without the Arduino software, and only the minimum of other components. I want to eventually create things without the cost of Arduino, and I....
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If you ever thought of experimenting with pulse-width modulation, this circuit should get you started nicely. We`ve kept simplicity in mind and used a dual 555 timer, making the circuit a piece of cake. We have even designed a small PCB for this, so building....
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The Geiger tube needs a high voltage sup-ply which consists of Q1 and its associated components. The transformer is connected in reverse; the secondary is connected as a Hartley oscillator, and RI provides base bias. Dl, D2, C4, and C5 comprise avoltage....
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Most ohmmeters of the design shown in the previous section utilize a battery of relatively low voltage, usually nine volts or less. This is perfectly adequate for measuring resistances under several mega-ohms (M ©), but when extremely high resistances need....
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This is a 100MHz Varicap Oscillator circuit. This circuit can provide modulation signals less than 28V and frequency deviation of 28 MHz peak-to-peak. This ...
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The goal is to freeze different stages of some fairly quick process (at least when compared to the time resulotion of the human eye). Since I don`t have fancy toys like a high speed film camera, lack of good equipment has to be compensated with a smart setup....
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This UC3825 IC, which is manufactured byTexas Instruments, is a high-speed pulse width modulation (PWM) controller which can be considered as the DC/DC Converter central processor in the following example of controls circuit that is primarily composed of....
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the function of this circuit for detects a sudden shadow falling on the light-sensor and sounds the bleeper when this happens. The light sensor is ....
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One interface that is missing in the Lego MindStorms system is an electronic ear. We don`t mean that the RCX should respond to spoken commands (which requires a large amount of electronics and software), but it would be handy if it could respond to basic....
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Here is camera switch circuit. This circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When operated automatically the switch will be connected to the output of 555 astable multivibrator that....
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The fluorescent lamp electronic ballast circuit is composed of the rectifier filter circuit, high-frequency oscillator circuit and output circuit, and it is shown in Figure 3-202. Rectifier filter circuitis composed of the rectifier diodes VDl-VD4 and filter....
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Piezo buzzers can be found everywhere, next time you throw out an old smoke detector be sure to remove the piezoelectric element from it and stash it in your parts bin. If you want to monitor sound with a piezoelectric element it`s not that easy since the....
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This is a design circuit for soft light dimmer. This circuit uses the IGBT STGP10N50A and the TS555 timer as main components. The timer is triggered on the zero crossing voltage pulse. The time constant determined by C5/R14+R15 that is used to determine the....
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This circuit allows you to superimpose a title and/or the time and sate on an incoming video signal - very useful when editing video tapes. It`s also a good introduction to video signals and processing. The text that follows is from David`s article: With the....
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A new high-performance regenerative receiver is available as a kit. Using a new regenerative detector circuit allows a good performance regarding sensitivity....
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The following circuit shows about Battery Replacement Power Supply Circuit Diagram. This circuit Based On The LM317 IC. . Features: to replace ....
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How to turn on equipment by sending SMS `1111` ON `and switch off the equipment by sending SMS` 0000 GSM Switch will receive instructions either load 1 (L1), load 2 (L2), load 3 (L3) or load 4 (L4). Then the GSM Switch will send the four load status is ONor....
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Hi guys..!!this is my 1st easy cheap n simple instructabel u need following components for laser burglar alarm-1. LDR or photocell 2.printed circui....
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TIP141 si a npn silicon power darlingtons designed for complementary use with TIP145, TIP146 and TP147. Can stand up to 125 W at 25 °C Case Temperature, 10 A Continuous Collector Current and has a minimum hFE of 1000 at 4 V, 5 A. This home audio amplifiercan....
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The following circuit diagram is a simplified application circuit of the TDA8932B/33(B) device when operated from an asymmetrical supply (single supply). Here`s the circuit diagram: To simplify the design for an asymmetrical supply in SE configuration, the....
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High Power Siren Circuit This article is all about a comparatively strong siren circuit useful for any purpose. A complementary transistor pair (BC 557 & 337) is arranged as an oscillator, directly drives the speaker. Transistor Q1(BC 557) is used to provide....
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IC1a and IC1b are wired as a slow astable multivibrator and IC1c-IC1d are wired as a fast astable. Both are "gated" types, which can be turned on and off via PB1. The output of the slow astable modulates the frequency of the fast astable, and the output of....
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This RF inductance meter measures RF chokes in the 500 nH to 50 uH range. I needed a way to measure hand-wound RF inductors in my second lab, and since I would only be doing this occasionally, I didn`t need anything fancy, and since once a friend finishes....
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Function: to trigerred device or freerunning. Component: Battery, Charger, Battery Connector, Capacitor, IC, Resistor VR1-10K, Resistor R1-1K, Resistor R2 ....
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Ever since I built a MythTV, I have been able to eliminate my DVD and VCR remote controls. However, I still needed my television remote control to turn on the TV as well as to control the volume, mute, and video input signal selection. For a while, I didn`t....
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This is a DC motor controller circuit, built using transistor TIP31 based on H-Bridge concept. The switch S1 and S2 are normally open, push to close, press button switches. The LED function is to indicate the direction of motor rotation, you may use any....
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This circuit indicates which of three voltages in the range from about about -4V to about +4V - at A, B and C - is the highest by lighting one of three indicator LEDs. Alternatively, it can be wired to indicate the lowest of three voltages or to indicate....
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Using the following PMOS FET switch regulator output, in series with the regulator`s load as shown in the picture below is the most simple method. Switch....
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This circuit is a circuit diagram of an indicator to show battery voltage 12 volts. Working principle of this circuit is the battery voltage compared with the reference voltage. By using the LM324 IC, which is a type LM324 Low Power Quad Operational....
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Lamp Electrical Circuit Diagram Manual PDF Download...
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There were issues connecting to the while in Ubuntu 11. 04, where the COM port assigned to the Arduino was not accessible through MATLAB. This issue will be investigated later if needed. MATLAB Arduino Library: The MATLAB support package for Arduino was used....
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This is the circuit diagram of a very powerful and efficient Ni-MH battery charger using IC LT4060 from Linear Technologies. In addition to Ni-MH batteries Ni-Cd batteries can be also charged by slightly modifying the circuit. For charging Ni-Cd batteries....
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In the circuit, N1, N2 constitute the RS flip-flop, and the trigger end is pin 8 and 13; N3, N4 form the controlled oscillator, only when N3`s pin 1 is high, the oscillator works. When the finger touching pad TP1 is bridging, N1 output`s pin turns to high....
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This is the schematic for an FM transmitter with 3 to 3. 5 W output power that can be used between 90 and 110 MHz. Although the stability isn`t so bad, a PLL can be used on this circuit. This is a circuit that I`ve build a few years ago for a friend, who....
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Seems to me it uses at least as much power and at least as many components as a 4 channel balanced amp. it may well sound realy good and its quite clever, but does seem like a lot of trouble to go to `to travel the path less travelled` all the sameit really....
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This circuit uses a switched capacitor filter IC from National Semiconductor to filter signals with frequencies higher than the 3KHz needed for voice audi....
Both halves of the circuit are identical. Both inputs have a dc path to ground via the input 47k control which ought to be a dual log type potentiometer. The balance control is a single 47k linear potentiometer, which at middle modification prevents even....
Simple variable frequency oscillator. This is a very simple circuit utilising a 555 timer IC to generate square wave of frequency that can be adjusted by a potentiometer. With values given...
This project is a GPS based clock, which also displays the present date, automatically compensates for daylight savings time, displays current speed, and maximum speed, along with your present heading in degrees with respect to true north. The original....
Touch controls are not only used to switch devices on or off. They can also be used to control different functions. One good example is the TV remote control. If it is very important to keep the activated functions for a long period of time, it is always....
applications in the 2400 MHz ISM band. This two stage RFIC amplifier is off-chip matched to provide optimum performance for a variety of applications. Operating from a 5 volt supply, the PM2107 can produce 1 watt of saturated output power with 45% typical....
AMIS-49200-XTP is a sub package of AMIS-492X0, If you need see the description, please click AMIS-492X0. If you need AMIS-49200-XTP`s datasheet, please download it from below. By ON Semiconductor ..
Here we define 7 levels in thereservoir. The sensed values are connected to an encoder circuit. The encoder circuit consist of a 74148 IC, which is a 8 line to 3 line encoder. Next section is the HEX Display` which is a special type of 7 segment display. It....
This is a circui for audio frequency meter. This circuit uses 555 IC as a mono stable multi vibrator (one-shoot trigger). A mono stable multi vibrator can act as a frequency-to-voltage converter because it produces a fixed pulse width, with the repetition....
The single-transistor inverter circuit illustrated earlier is actually too crude to be of practical use as a gate. Real inverter circuits contain more than one transistor to maximize voltage gain (so as to ensure that the final output transistor is either in....
The following circuit shows about KLR650 Electrical wiring diagram. Features: reliable, provides good all-around performance, easy to maintenance, four-stroke DOHC dual-counter balanced, single-cylinder, cheap, water-cooled engine develops a claimed 44 hp....
This microphone preamplifier incorporates automatic gain control, which keeps the output level fairly constant over a wide range of input....
The following circuit shows about 555 IC For IR Remote Control Extender Circuit. Features: 850 and 950 nm signal, the control pulses and a ....
This is a variable power supply controlled with PIC microcontroller. There is LCD display in this circuit which will show the actual value of power supply output. This power supply use push on switch to adjust the output voltage and current value. The top....
Below is a comparator circuit which is can measure with step of 1 volt, the voltage of car battery. The indication of voltage is done by comparison of? ...
A multivibrator is a form of relaxation oscillator which comprises two stages that are coupled so that the input of one is derived from the output of the other. A multivibrator is basically two amplifier circuits arranged with regenerative feedback. One of....
This is circuit design for a laser diode driver can be implemented using voltage-controlled current source. This simple linear laser diode driver gives cleaner drive current than a switched (PWM) drivers. This circuit is based on OPA350 IC. This is the....
A very simple ultrasonic parking sonar electronic project can be designed using this schematic circuit. This ultrasonic parking sonar electronic project has an adjustable detection range from 5 cm up to 1. 5 meters and a detection angle of 5 degrees. This....
In supply section after bridge rectifier and smoothing capacitor is used common voltage regulator LM317, which has with R1 and R2 adjusted output voltage about 8V. Supply line goes through inductor to DAC chip for theoretically lower HF interference which....
The essential principles of mixing audio signals are straightforward, but strangely are not explained very well at all on the Net. This article should fill the gaps....
The schematic show that the AccelR8 only uses 3 IC`s. An AVR 8515 microcontroller do the calculation work and controls the other circuits. An MAX603 controls voltage and power-on/power-off. And the chip that makes it all possible, the ADXL202 from Analog....
Nowadays a lot of intercom units are equipped with video cameras so that you can see as well as hear who is at the door. Unfortunately, the camera lens is perfectly placed to serve as a sort of support point for people during the conversation, with the....
Digital scoreboard circuit functions to display values from 0 to 9 on the 7 segment display. 7 segments using a common type of anode..
With many audio systems consisting of separate units, you`ll oftennd that due to economic reasons only the amplifier has a remote control receiver module. The control signals are then sent to the other units using patch cables. The tuner and CD player, for....
This schematic diagram below show a circuit of VOX Box (voice-operated switch). This circuit consist of a Schmitt trigger, a relay driver, and microphone....
This circuit is conventional Pierce type oscillator that uses a JFET. The circuit uses fundamental mode crystals. It has decent performance and reliability if we use a low noise JFET. This is the figure of the circuit. The feedback is controlled by the C1....
Before I emailed Pablo Gian Villamil and he sent me on a link to his class notes (yay!) for Generating polyphonic sound with Arduino I tried to work out his circuitry from his various blog posts and component listings CMOS Hex Schmitt Trigger Inverter....
This circuit is built around a 555 timer using very few components. Since the circuit is very simple, even a novice can easily build it and use it as a controlling device. A laser pointer, now easily available in the market, can be used to operate this....
* 2 x 47k ohm resisters anything from 22k to 100k ohm should work. Value of these changes the timing of blinking (larger the value, slower the blinking)...
I MAID THIS PROJECT SUCCESSFULLY. WITH PROPER FREQUENCY AND STRENGTH. IF YOU WANT HELP THEN CONTACT ME i will surly help you to bring out you from the problem :) ..
This control circuit is composed of the AC step-down rectifier circuit, the astable multivibrator, the timing control circuit, the optocoupler circuit and the SCR driving circuit.etc. As the figure 17-61 shows. The astable multivibrator is composed of the....
A car battery deteriorates in use and its life seldom exceeds four years. When new, its voltage may drop to only 2V while cranking the engine. As the batt....
This project was a particular surprise for me in that the BC547 (equiv 2N2222) can be used to build a 500mW linear amplifier covering the entire HF band with excellent spectral purity and no neutralizing at all. Ugly-bug construction was used but I dare say....
This paper describes the process by which a control circuit for a stepper-motor was designed. Due to the nature of the stepper motor, the control circuit had to be a state machine that cycled through four output states based on two input conditions....
The microcontroller within A / D converter can use PIC MCU within A / D converter produced by the Microchip. MMA1220D`s state end and self-test end are connected to the P1, P0 ports of ?C, its output voltage is sent to the A / D converter input end. C1, C2....
This turned out to be quite an interesting project. It all began as a project for a paying customer, but I found that the circuit had quite a lot of advantages over previous similar projects. It is basically an inverter for converting power from 12v DC to....
The following circuit shows about Electromagnetic Field Sensor Circuit Diagram. This circuit based on the uA741 IC. Features: used to sense ....
In principle, the square wave oscillator doesn`t have to be a 555 timer, it could be a ring oscillator using inverters as you propose. In practice, using 4000 series CMOS logic for example, the negative output voltage produced would not be able to provide a....
Here are the datasheet and the circuit dram of a PC Switching Power Supply using the IC CG8010DX16....
It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400Hz to 50MHz. I used faster, 20MHz version of 16F84A-20I/P, and it managed to count 80MHz oscillator output...
Arduino Uno has a ATMEGA328P-PU microcontroller, and bunch of other stuff on the board. I`d like to program the chip without the Arduino software, and only the minimum of other components. I want to eventually create things without the cost of Arduino, and I....
If you ever thought of experimenting with pulse-width modulation, this circuit should get you started nicely. We`ve kept simplicity in mind and used a dual 555 timer, making the circuit a piece of cake. We have even designed a small PCB for this, so building....
The Geiger tube needs a high voltage sup-ply which consists of Q1 and its associated components. The transformer is connected in reverse; the secondary is connected as a Hartley oscillator, and RI provides base bias. Dl, D2, C4, and C5 comprise avoltage....
Most ohmmeters of the design shown in the previous section utilize a battery of relatively low voltage, usually nine volts or less. This is perfectly adequate for measuring resistances under several mega-ohms (M ©), but when extremely high resistances need....
This is a 100MHz Varicap Oscillator circuit. This circuit can provide modulation signals less than 28V and frequency deviation of 28 MHz peak-to-peak. This ...
The goal is to freeze different stages of some fairly quick process (at least when compared to the time resulotion of the human eye). Since I don`t have fancy toys like a high speed film camera, lack of good equipment has to be compensated with a smart setup....
This UC3825 IC, which is manufactured byTexas Instruments, is a high-speed pulse width modulation (PWM) controller which can be considered as the DC/DC Converter central processor in the following example of controls circuit that is primarily composed of....
the function of this circuit for detects a sudden shadow falling on the light-sensor and sounds the bleeper when this happens. The light sensor is ....
One interface that is missing in the Lego MindStorms system is an electronic ear. We don`t mean that the RCX should respond to spoken commands (which requires a large amount of electronics and software), but it would be handy if it could respond to basic....
Here is camera switch circuit. This circuit can be used for multiple cameras with one monitor. The circuit can be operated manually or automatically. When operated automatically the switch will be connected to the output of 555 astable multivibrator that....
The fluorescent lamp electronic ballast circuit is composed of the rectifier filter circuit, high-frequency oscillator circuit and output circuit, and it is shown in Figure 3-202. Rectifier filter circuitis composed of the rectifier diodes VDl-VD4 and filter....
Piezo buzzers can be found everywhere, next time you throw out an old smoke detector be sure to remove the piezoelectric element from it and stash it in your parts bin. If you want to monitor sound with a piezoelectric element it`s not that easy since the....
This is a design circuit for soft light dimmer. This circuit uses the IGBT STGP10N50A and the TS555 timer as main components. The timer is triggered on the zero crossing voltage pulse. The time constant determined by C5/R14+R15 that is used to determine the....
This circuit allows you to superimpose a title and/or the time and sate on an incoming video signal - very useful when editing video tapes. It`s also a good introduction to video signals and processing. The text that follows is from David`s article: With the....
A new high-performance regenerative receiver is available as a kit. Using a new regenerative detector circuit allows a good performance regarding sensitivity....
The following circuit shows about Battery Replacement Power Supply Circuit Diagram. This circuit Based On The LM317 IC. . Features: to replace ....
How to turn on equipment by sending SMS `1111` ON `and switch off the equipment by sending SMS` 0000 GSM Switch will receive instructions either load 1 (L1), load 2 (L2), load 3 (L3) or load 4 (L4). Then the GSM Switch will send the four load status is ONor....
Hi guys..!!this is my 1st easy cheap n simple instructabel u need following components for laser burglar alarm-1. LDR or photocell 2.printed circui....
TIP141 si a npn silicon power darlingtons designed for complementary use with TIP145, TIP146 and TP147. Can stand up to 125 W at 25 °C Case Temperature, 10 A Continuous Collector Current and has a minimum hFE of 1000 at 4 V, 5 A. This home audio amplifiercan....
The following circuit diagram is a simplified application circuit of the TDA8932B/33(B) device when operated from an asymmetrical supply (single supply). Here`s the circuit diagram: To simplify the design for an asymmetrical supply in SE configuration, the....
High Power Siren Circuit This article is all about a comparatively strong siren circuit useful for any purpose. A complementary transistor pair (BC 557 & 337) is arranged as an oscillator, directly drives the speaker. Transistor Q1(BC 557) is used to provide....
IC1a and IC1b are wired as a slow astable multivibrator and IC1c-IC1d are wired as a fast astable. Both are "gated" types, which can be turned on and off via PB1. The output of the slow astable modulates the frequency of the fast astable, and the output of....
This RF inductance meter measures RF chokes in the 500 nH to 50 uH range. I needed a way to measure hand-wound RF inductors in my second lab, and since I would only be doing this occasionally, I didn`t need anything fancy, and since once a friend finishes....
Function: to trigerred device or freerunning. Component: Battery, Charger, Battery Connector, Capacitor, IC, Resistor VR1-10K, Resistor R1-1K, Resistor R2 ....
Ever since I built a MythTV, I have been able to eliminate my DVD and VCR remote controls. However, I still needed my television remote control to turn on the TV as well as to control the volume, mute, and video input signal selection. For a while, I didn`t....
This is a DC motor controller circuit, built using transistor TIP31 based on H-Bridge concept. The switch S1 and S2 are normally open, push to close, press button switches. The LED function is to indicate the direction of motor rotation, you may use any....
This circuit indicates which of three voltages in the range from about about -4V to about +4V - at A, B and C - is the highest by lighting one of three indicator LEDs. Alternatively, it can be wired to indicate the lowest of three voltages or to indicate....
Using the following PMOS FET switch regulator output, in series with the regulator`s load as shown in the picture below is the most simple method. Switch....
This circuit is a circuit diagram of an indicator to show battery voltage 12 volts. Working principle of this circuit is the battery voltage compared with the reference voltage. By using the LM324 IC, which is a type LM324 Low Power Quad Operational....
There were issues connecting to the while in Ubuntu 11. 04, where the COM port assigned to the Arduino was not accessible through MATLAB. This issue will be investigated later if needed. MATLAB Arduino Library: The MATLAB support package for Arduino was used....
This is the circuit diagram of a very powerful and efficient Ni-MH battery charger using IC LT4060 from Linear Technologies. In addition to Ni-MH batteries Ni-Cd batteries can be also charged by slightly modifying the circuit. For charging Ni-Cd batteries....
In the circuit, N1, N2 constitute the RS flip-flop, and the trigger end is pin 8 and 13; N3, N4 form the controlled oscillator, only when N3`s pin 1 is high, the oscillator works. When the finger touching pad TP1 is bridging, N1 output`s pin turns to high....
This is the schematic for an FM transmitter with 3 to 3. 5 W output power that can be used between 90 and 110 MHz. Although the stability isn`t so bad, a PLL can be used on this circuit. This is a circuit that I`ve build a few years ago for a friend, who....
Seems to me it uses at least as much power and at least as many components as a 4 channel balanced amp. it may well sound realy good and its quite clever, but does seem like a lot of trouble to go to `to travel the path less travelled` all the sameit really....
This circuit uses a switched capacitor filter IC from National Semiconductor to filter signals with frequencies higher than the 3KHz needed for voice audi....
%2Band%2B(US)%2BCX500%2BC%2B1979-81%2Band%2B1979%2BCX500%2BD%2BElectrical%2BWiring%2BDiagram.jpg "LAMP ELECTRICAL CIRCUIT DIAGRAM")
