Top Circuits Page 197
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Simple, two-wire, remote monitoring unit, Three-LED level display, 9V battery powered The whole project was developed on a friend s request. Its purpose w....
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By means of a Relay, employed to drive a water pump, this circuit provides automatic level control of a water reservoir or well. The shorter steel rod is the water high sensor, whereas the longer is the water low sensor. When the water level is below....
-
This simple automatic emergency light has the following advantages over conventional emergency lights: The charging circuit stops automatically when the b....
-
-
A design for a phantom antenna power-supply system compatible with the Digital Satellite Equipment Control (DiSEqC) communication standard, using the MAX16948 automotive dual, high-voltage LDO/switch. The presented application circuit provides a remote....
-
A reference design for a 4S1P MR-16 LED driver that provides 750mA to a string of four white LEDs (WLEDs). The circuit operates from a 24V source and is based around the MAX16820 hysteretic LED driver. Also included is a MAX5033 24V-to-5V, 150mA switching....
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The circuit of Figure 1 produces an accurate variable-frequency sine wave for use as a general-purpose reference signal. It includes an 8th-order elliptic, switched-capacitor lowpass filter (IC3) that is clocked with a 100kHz square wave generated by....
-
This article explains how platinum resistance temperature detectors (PRTDs) can perform measurements over wide temperature ranges of -200 °C to +850 °C, with absolute accuracy and repeatability better than ±0. 3 °C, when used with modern processors capable....
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The applications described in this document are applications for driving high power LED diodes. The described circuits can be applied on other applications with similar circumstances as well, in case they fall within the specifications of the MLX10803. This....
-
When a gas leak occurs, a gas leak alarm must detect the problem immediately and issue an alarm. The gas detection sensor typically used in these types of alarms sends an amplified signal from the sensor to the controlling MCU. The MCU requires an on board....
-
With the increasing daily reliance on networked data systems, the need for failsafe backup of power supply systems is now essential. Uninterruptible power supply (UPS) technology, with a very high level of reliability, are now extensively used to provide....
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-
We know that microcontroller is an integrated chip which consists of RAM, ROM, CPU, TIMERS, COUNTERS etc. PIC is a microcontroller which also consists of RAM, ROM, CPU, timers, counter, ADC (analog to digital converters), DAC (digital to analog..
-
-
The recent availability of a broad line of truly high-performance consumer integrated circuits makes it possible to construct a high quality, low noise, low distort....
-
Operational amplifiers are undoubtedly the easiest and best way of performing a wide range of linear functions from simple amplification to complex analog computati....
-
All you really need is a decent opamp, three resistors, three caps. Make one of the resistors adjustable, otherwise all components same value. It`s called a phase shifted oscillator and it has very good, very low distortion. The gain of the amplifier is set....
-
I am trying to create two circuits * 1 transmitter * 1 receiver for ultrasounds. I all ready have a pair of 25 kHz transmitter/receiver....
-
I am now looking to make a power supply adjustable cv 0-30v and would really like it to be adjustable cc as well. I have found various circuits for Cv, but very ....
-
I need a constant voltage 44V, 1A max battery charger. This will be built into the battery compartment of an e-bike, and will be permanently connected to the three 1....
-
I have a small solar panel for maintaining my 12V car battery. (Circuit below.) The panel supplies about 75mA to the battery in full sunlight. I want to avoid wastin....
-
This looks like an IR transmitter. IR will not penetrate walls and I assume you mean to use this in a room separate from the room you will be in, so it won`t work...
-
I need to make a small 4-10 second (changeable) delay circuit that pulses a cell phone vibrational motor every 0.75 seconds. I`m using a 9 volt battery. Could anyone....
-
A bit of a newbie to creating circuits I have a 12V battery regulated to 2mA with an LM334Z current regulator. Here are the docs for the current regulator: ....
-
Anyone able to help? The plan is an audio volume control using 40 relay-operated L-pad attenuators per stereo channel. Control is passed in succession to the relay a....
-
V1 and V2 are set to 5V in the simulation, but could also be 10V to eliminate the need for a second supply ” or, if you can find logic level FETs at that high a voltage, then you can reduce the 10 volt supply to 5 volts. Assuming that the switching frequency....
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Please help me out to understand *how this H-brigde is working? i tried but i couldn`t make any sense. i mean i know the general working of the circuit but i don`t....
-
I am driving a piezo disk at 100 Hz (or less) and am limited by the output of my signal generator to 10 V. I wish to amplify that to 50 or even 100 Volts. How to do ....
-
This is where truthfully you need to migrate to pic micro and possibly look at compilers such as offered by proton Smart which incorporate Sony IR in and Phillips RC5 codec`s But it is the safest particularly if you intend to use this for Security aware....
-
sir, we are very much interested in design of jammer circuit, even we started working on it but there is some problem with our circuit i.e signal is not getting jamm....
-
Looks like a schmitt trigger oscillator. By the way the resistors and capacitor are used it is probably a saw-tooth wave generator with R2 & R3 determining the slope of the rising and trailing edges. The zener helps control the amplitude between 0 to 3V OR....
-
I tried the circuit below, but i couldn`t make the output.. Plz help me with corrections. In schematic: Resistors - 10k capacitor - I tried both 1uf and 10 uf Diode ....
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how do I build a circuit for digital dead out of 3 phase power consumption in home using any chip like ADE7762 ? I am interested in Polyphase Energy Metering using a....
-
I want to power a condenser MIC ( Electret 2 terminals ). I connected a resistance of 1k and capacitance of 10uf to its positive terminal and grounded other te....
-
Hi again, I have a simple audio switching circuit that is giving me a problem. I am using a CD40106 Schmitt Trigger in conjunction with a CD4066 CMOS switch to route....
-
Hello all, I would like to built a sound generator for my Room Monitoring system.Can someone suggest me any electronic design as I would not like to use HT2810 or H....
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Hey guys I`ve been researching a ""mystery circuit"" and I can`t figure out what its name is. It`s driving me crazy!!!! Please HELP ME!!! Thanx....
-
-
h5. Introduction In this post we present the last application created from the development of the modular remote control we started describing in the issue of April....
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We are using LM3886 which is the revised version of its brother LM3875.Briefly features of LM3886 are; Maximum Output Power: 68W RMS 108W Peak THD: %0.03 at 60W S....
-
This circuit gives out an alarm when its sensor is wetted by water. A 555 astable multivibrator is used here which gives a tone of about 1kHz upon detecting water. ....
-
The circuit comprises the power supply which is formed by TR1, Q3, D13, Q1, D9 This supplies both the 12 volt rails and the five volt rails for the micro which i....
-
How the circuit worksh1. Your title here The circuit comprises a non inverting amplifier with a final output buffer stage or voltage follower for impedance matchin....
-
Can be interfaced to other adapters Keypad adapter (Optional) or RF receiver (Optional) or Via the Net (Optional) Can be adapted to operate other external attachmen....
-
The 7555 timer IC used is a low power version of the standard 555 timer. A ‘superbright red LED is used because this provides a bright flash with a low current. Th....
-
With Switch S1 you can change direction (Up/Down), Pot1 is for the clock speed and the Led D1 is only an indicator for the clock speed. ....
-
An automatic brightness adjustment is a closed loop system that has the capability to assess ambient light and adjust the brightness of the display accordingly. In ....
-
DHT11 is the most inexpensive sensor currently available in the market that provides calibrated digital outputs for temperature and relative humidity. It is availab....
-
How to Mod the Servomotors (look at the pictures) Remove the four screws from the servo and take it all apart. Remove the electronics keeping only the wires from th....
-
h5. INTRODUCTION Digital to analog converters are one of the most commonly employed circuits in many applications involving digital video, signal processing, test e....
-
The goal of this project is to design and build a full duplex digital fiber optic voice link over a length of 50m at minimum data rate of 64 kbps. The cores of this project are the designs of LED driver and photo-detector circuits. From the preceding circuit....
-
This is a senior project from Stony Brook University, which is designed and implemented by Tak-Fung Yip, Franklin Delgado, and consulted by professor Milutin Stanac....
-
Electronic Schematics collections where they discuss about electronic circuits schematics, printed circuit board diagrams and electronics projects ..
-
Are you looking for a free schematic and pcb design tool? The gEDA project has produced and continues working on a full GPL`d suite and toolkit of Electronic Design ....
-
This site covers a variety of topics related to circuits and electronics. Some of the topics covered on this site are: * Alternating Relay Switch * Photoswitch Rela....
-
Radio-Circuits has raised the bar with this site. Unlike any other circuit site on the worldwide web, they have taken 10 of the most clicked into FM Transmitter circ....
-
This design was created at the request of my father. It is designed to operate a 240V a. c. heater, in his Orchid box, to maintain a higher temperature during daylight hours than darkness. Regulator - This is a very simple regulator used here to obtain a....
-
This is another design generated at the request of my father. It is designed to be a dimmer for a 12V reading lamp, but could also be used as a motor speed controller (for a drill). The circuit pulse the voltage seen by the load an the pulse width is....
-
This design was created to overcome a problem I was having with the tailwheel doors of the P-51 Mustang. The problem was that the undercarriage sequence is complicated and would have required 2 independent sequencers. The closing sequence is: Main gear doors....
-
The Echorec delay is a superb piece of engineering! In their quest for perfection Binson got many important aspects of the design right, maintaining a balance between simplicity and adding genuinely useful features to this classic echo machine. The engineers....
-
Drive a four line LCD panel from an Arduino. The project started out as a way to drive the LCD to display arbitrary information, but then evolved into a way to tell the time, read and write the EEPROM from the Atmel 328p, and measure voltage. I`m using many....
-
-
Close to human perception and stable color sensing is an ubiquitous problem found in numerous disciplinces, e. g. , in machine vision for classification and recognition or in general intelligent systems, for instance for intelligent illumination systems in....
-
Colpitts oscillator circuit is shown in Figure 1, Q is the transistor. The Colpitts and Hartley oscillator circuit are similar, except the inductor, capacitor exchange of positions. Oscillator equivalent circuit shown in Figure 2. Capacitors C1, C2, and....
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Q is the transistor, L1, L2, C resonant circuit formed, L2 double as feedback network, through the coupling capacitor Cb will be sent to feedback voltage transistor base. Figure 2 shows the communication channel, resonant circuit with three endpoints and the....
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Well this is a Very Accurate LC Meter based on PIC 16F628A. Having inspired from surprisingly accurate LC Meter. This is my attempt to build an accurate L/C meter. This design is little different from other designs found on the internet. The goal of my hard....
-
Im looking for a Light timer/ dimmer Like something you would find on a Dome light. but dont know where to start ..
-
Geralds 1958 Cadillac Eldorado Seville, 1967 Cadillac Deville,1967 Eldorado and 1971 Lincoln Continental Mark III - everything you always wanted to know about these cars ..
-
The system is driven by vacuum only, so I started to look through the vacuum hoses once again. I had already exchanged a couple of them last year. I found another two brittle ones going through the firewall to the headlight switch from where a slight hissing....
-
This is the electronic schematic of the homebuilt SONAR. Only one piezoelectric tranducer is used for both tramsmit & receive. This transducer is switched from TX to RX via the four 4016 switches. A high gain amplifier stage & rectifier translates the....
-
Electronic Project Eprom Emulator This EPROM Emulator was designed to compliment the EPROM Programmer (Mark 2)....
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-
-
SPI Integrated Circuit Bus , IC Buses, an IC, Chip-to-Chip Bus Serial Peripheral Interface, Integrated Circuit Bus types, and IC Bus Electrical Interface Descriptions, . Peripheral Interface (SPI) circuit is a . -> Integrated Circuit Bus Li....
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When you want the counter circuit since 0 arrive at 99. I thinks this circuit may on the same wave length you certainly. it uses IC LM4017 decade....
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I used input frequency 10Hz to output 1Hz.This is a 10 divider circuit. When we need a standard digital clock 1 Hz. but we have the input signal is square wave....
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In addition to using the LA3600 IC, was the 5 channel graphic equalizer. We can also be designed was the 10 Channel Graphic equalizer circuit. By connection....
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This circuit is a basic function of the FET 2N3819, which acts as a switch. In the conduction and not conduction. It runs contrary to the transistor. The....
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This is circuit MOSFET power amplifier OCL, Output 100w , use mosfet k134+j49 or Mosfet J162 + K1058, Output 112W at Speaker 8 OHM. Power Supply +56V/-56V 4A....
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This is Power AC Dimmer 1200 watt size. It is use a triac Q4006LT. Friends ever tour is the foreign land has and to ever reach rest a hotel. On bed head has....
-
This is flashing blinks circuit, 12V sizes. By use fluorescent lamp the small-sized.It live the work of relay perform be the circuit modifies from DC to be....
-
My friend bought a digital camera that can take pictures and videos as well. But he tell that it have restrictions is available not long the battery runs out ..
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This circuit designs for modify power supply input 12V from battery or the other. Have the level voltage be down be left 9V be stable or , 9V at 2 Amp....
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12VDC to 37V DC converter by SG3524 Hello there!! How are you doing? When my friend of I wants DC to DC converter circuit +37V GND -37V sizes use an....
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This is a standard digital clock circuit,frequency size 1 Hz or 2 Hz. It can be used in the normal clock circuit. It consists of IC-4060 and IC-4013, the....
-
When you need an amplifier with high watt power. For use in applications such as concert, theater, the festivals etc. This circuit is most suitable. Both....
-
Follow the request of friends who likes High power Amplifier Circuit. I then beg for to advise this circuit. It has can to give the electric power about 300Watt RMS unless. Still be amp OCL Model Class AB give sound tall power and certainly should....
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The 40W Amp OCL 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A. Transistor 2N3055+MJ2955 must be mounted on heatsink. Can....
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The graphic equalizer circuit the frequency adjust circuit. For some kinds of audio frequency response is not smooth. The....
-
-
This circuit 5 Channels 2 Octave Graphic Equaliser,easy to make equalizer, because using IC LA3600 (easy to use) For you who take an interest sound of music....
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This be delay timer circuit model to be simple. It be the character delays to close electric all appliances. By fix the time about 5 minute. It can fine....
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The 50W Power Amplifier OCL Mosfet (K1058 + J162) is easy to build, and very inexpensive. To use Power Supply +35V -35V at 2A. Power Mosfet (K1058 + J162) must....
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This is danger beep circuit. It use 555 integrated number circuits build to are a stable mutivibrator that be valuable duty cycle 5% driver loudspeaker....
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Most of the frequency multiplier circuit using IC phase locked loop (PLL).It will increase the frequency to an integer only. But this circuit can double the....
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If you want one small lamp that flashing for general to use. I have many ways, But today you see this three of the lamp flasher circuits. Which it has....
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The digital circuit additional a circuits taht is very useful is On-Shots circuit or Also known as Mono-stable multivibrator circuit. This behavior is the....
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This is versatile digital counter circuit, that as a cheap due to basic components you can buy in many electronic shop. My friend said the some circuits that....
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This the circuit AC dimmer low voltage For lamp 6V. While this friends may don`t see the advantage of this circuit. But I thinks first step advantage be something get learn the work of Triac. And have tall safety, because of use AC Low Voltage. Which the....
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This circuit has can to turn down a light bulb arrives at 100W. If Triac there is tall temperature should hold Heat Sink or let off the heat. The Diac be diode that perform be formed encourage or Trigger Diode 2 kinds are way or Bidirectional. The VR1 use....
Simple, two-wire, remote monitoring unit, Three-LED level display, 9V battery powered The whole project was developed on a friend s request. Its purpose w....
By means of a Relay, employed to drive a water pump, this circuit provides automatic level control of a water reservoir or well. The shorter steel rod is the water high sensor, whereas the longer is the water low sensor. When the water level is below....
This simple automatic emergency light has the following advantages over conventional emergency lights: The charging circuit stops automatically when the b....
A design for a phantom antenna power-supply system compatible with the Digital Satellite Equipment Control (DiSEqC) communication standard, using the MAX16948 automotive dual, high-voltage LDO/switch. The presented application circuit provides a remote....
A reference design for a 4S1P MR-16 LED driver that provides 750mA to a string of four white LEDs (WLEDs). The circuit operates from a 24V source and is based around the MAX16820 hysteretic LED driver. Also included is a MAX5033 24V-to-5V, 150mA switching....
The circuit of Figure 1 produces an accurate variable-frequency sine wave for use as a general-purpose reference signal. It includes an 8th-order elliptic, switched-capacitor lowpass filter (IC3) that is clocked with a 100kHz square wave generated by....
This article explains how platinum resistance temperature detectors (PRTDs) can perform measurements over wide temperature ranges of -200 °C to +850 °C, with absolute accuracy and repeatability better than ±0. 3 °C, when used with modern processors capable....
The applications described in this document are applications for driving high power LED diodes. The described circuits can be applied on other applications with similar circumstances as well, in case they fall within the specifications of the MLX10803. This....
When a gas leak occurs, a gas leak alarm must detect the problem immediately and issue an alarm. The gas detection sensor typically used in these types of alarms sends an amplified signal from the sensor to the controlling MCU. The MCU requires an on board....
With the increasing daily reliance on networked data systems, the need for failsafe backup of power supply systems is now essential. Uninterruptible power supply (UPS) technology, with a very high level of reliability, are now extensively used to provide....
We know that microcontroller is an integrated chip which consists of RAM, ROM, CPU, TIMERS, COUNTERS etc. PIC is a microcontroller which also consists of RAM, ROM, CPU, timers, counter, ADC (analog to digital converters), DAC (digital to analog..
The recent availability of a broad line of truly high-performance consumer integrated circuits makes it possible to construct a high quality, low noise, low distort....
Operational amplifiers are undoubtedly the easiest and best way of performing a wide range of linear functions from simple amplification to complex analog computati....
All you really need is a decent opamp, three resistors, three caps. Make one of the resistors adjustable, otherwise all components same value. It`s called a phase shifted oscillator and it has very good, very low distortion. The gain of the amplifier is set....
I am trying to create two circuits * 1 transmitter * 1 receiver for ultrasounds. I all ready have a pair of 25 kHz transmitter/receiver....
I am now looking to make a power supply adjustable cv 0-30v and would really like it to be adjustable cc as well. I have found various circuits for Cv, but very ....
I need a constant voltage 44V, 1A max battery charger. This will be built into the battery compartment of an e-bike, and will be permanently connected to the three 1....
I have a small solar panel for maintaining my 12V car battery. (Circuit below.) The panel supplies about 75mA to the battery in full sunlight. I want to avoid wastin....
This looks like an IR transmitter. IR will not penetrate walls and I assume you mean to use this in a room separate from the room you will be in, so it won`t work...
I need to make a small 4-10 second (changeable) delay circuit that pulses a cell phone vibrational motor every 0.75 seconds. I`m using a 9 volt battery. Could anyone....
A bit of a newbie to creating circuits I have a 12V battery regulated to 2mA with an LM334Z current regulator. Here are the docs for the current regulator: ....
Anyone able to help? The plan is an audio volume control using 40 relay-operated L-pad attenuators per stereo channel. Control is passed in succession to the relay a....
V1 and V2 are set to 5V in the simulation, but could also be 10V to eliminate the need for a second supply ” or, if you can find logic level FETs at that high a voltage, then you can reduce the 10 volt supply to 5 volts. Assuming that the switching frequency....
Please help me out to understand *how this H-brigde is working? i tried but i couldn`t make any sense. i mean i know the general working of the circuit but i don`t....
I am driving a piezo disk at 100 Hz (or less) and am limited by the output of my signal generator to 10 V. I wish to amplify that to 50 or even 100 Volts. How to do ....
This is where truthfully you need to migrate to pic micro and possibly look at compilers such as offered by proton Smart which incorporate Sony IR in and Phillips RC5 codec`s But it is the safest particularly if you intend to use this for Security aware....
sir, we are very much interested in design of jammer circuit, even we started working on it but there is some problem with our circuit i.e signal is not getting jamm....
Looks like a schmitt trigger oscillator. By the way the resistors and capacitor are used it is probably a saw-tooth wave generator with R2 & R3 determining the slope of the rising and trailing edges. The zener helps control the amplitude between 0 to 3V OR....
I tried the circuit below, but i couldn`t make the output.. Plz help me with corrections. In schematic: Resistors - 10k capacitor - I tried both 1uf and 10 uf Diode ....
how do I build a circuit for digital dead out of 3 phase power consumption in home using any chip like ADE7762 ? I am interested in Polyphase Energy Metering using a....
I want to power a condenser MIC ( Electret 2 terminals ). I connected a resistance of 1k and capacitance of 10uf to its positive terminal and grounded other te....
Hi again, I have a simple audio switching circuit that is giving me a problem. I am using a CD40106 Schmitt Trigger in conjunction with a CD4066 CMOS switch to route....
Hello all, I would like to built a sound generator for my Room Monitoring system.Can someone suggest me any electronic design as I would not like to use HT2810 or H....
Hey guys I`ve been researching a ""mystery circuit"" and I can`t figure out what its name is. It`s driving me crazy!!!! Please HELP ME!!! Thanx....
h5. Introduction In this post we present the last application created from the development of the modular remote control we started describing in the issue of April....
We are using LM3886 which is the revised version of its brother LM3875.Briefly features of LM3886 are; Maximum Output Power: 68W RMS 108W Peak THD: %0.03 at 60W S....
This circuit gives out an alarm when its sensor is wetted by water. A 555 astable multivibrator is used here which gives a tone of about 1kHz upon detecting water. ....
The circuit comprises the power supply which is formed by TR1, Q3, D13, Q1, D9 This supplies both the 12 volt rails and the five volt rails for the micro which i....
How the circuit worksh1. Your title here The circuit comprises a non inverting amplifier with a final output buffer stage or voltage follower for impedance matchin....
Can be interfaced to other adapters Keypad adapter (Optional) or RF receiver (Optional) or Via the Net (Optional) Can be adapted to operate other external attachmen....
The 7555 timer IC used is a low power version of the standard 555 timer. A ‘superbright red LED is used because this provides a bright flash with a low current. Th....
With Switch S1 you can change direction (Up/Down), Pot1 is for the clock speed and the Led D1 is only an indicator for the clock speed. ....
An automatic brightness adjustment is a closed loop system that has the capability to assess ambient light and adjust the brightness of the display accordingly. In ....
DHT11 is the most inexpensive sensor currently available in the market that provides calibrated digital outputs for temperature and relative humidity. It is availab....
How to Mod the Servomotors (look at the pictures) Remove the four screws from the servo and take it all apart. Remove the electronics keeping only the wires from th....
h5. INTRODUCTION Digital to analog converters are one of the most commonly employed circuits in many applications involving digital video, signal processing, test e....
The goal of this project is to design and build a full duplex digital fiber optic voice link over a length of 50m at minimum data rate of 64 kbps. The cores of this project are the designs of LED driver and photo-detector circuits. From the preceding circuit....
This is a senior project from Stony Brook University, which is designed and implemented by Tak-Fung Yip, Franklin Delgado, and consulted by professor Milutin Stanac....
Electronic Schematics collections where they discuss about electronic circuits schematics, printed circuit board diagrams and electronics projects ..
Are you looking for a free schematic and pcb design tool? The gEDA project has produced and continues working on a full GPL`d suite and toolkit of Electronic Design ....
This site covers a variety of topics related to circuits and electronics. Some of the topics covered on this site are: * Alternating Relay Switch * Photoswitch Rela....
Radio-Circuits has raised the bar with this site. Unlike any other circuit site on the worldwide web, they have taken 10 of the most clicked into FM Transmitter circ....
This design was created at the request of my father. It is designed to operate a 240V a. c. heater, in his Orchid box, to maintain a higher temperature during daylight hours than darkness. Regulator - This is a very simple regulator used here to obtain a....
This is another design generated at the request of my father. It is designed to be a dimmer for a 12V reading lamp, but could also be used as a motor speed controller (for a drill). The circuit pulse the voltage seen by the load an the pulse width is....
This design was created to overcome a problem I was having with the tailwheel doors of the P-51 Mustang. The problem was that the undercarriage sequence is complicated and would have required 2 independent sequencers. The closing sequence is: Main gear doors....
The Echorec delay is a superb piece of engineering! In their quest for perfection Binson got many important aspects of the design right, maintaining a balance between simplicity and adding genuinely useful features to this classic echo machine. The engineers....
Drive a four line LCD panel from an Arduino. The project started out as a way to drive the LCD to display arbitrary information, but then evolved into a way to tell the time, read and write the EEPROM from the Atmel 328p, and measure voltage. I`m using many....
Close to human perception and stable color sensing is an ubiquitous problem found in numerous disciplinces, e. g. , in machine vision for classification and recognition or in general intelligent systems, for instance for intelligent illumination systems in....
Colpitts oscillator circuit is shown in Figure 1, Q is the transistor. The Colpitts and Hartley oscillator circuit are similar, except the inductor, capacitor exchange of positions. Oscillator equivalent circuit shown in Figure 2. Capacitors C1, C2, and....
Q is the transistor, L1, L2, C resonant circuit formed, L2 double as feedback network, through the coupling capacitor Cb will be sent to feedback voltage transistor base. Figure 2 shows the communication channel, resonant circuit with three endpoints and the....
Well this is a Very Accurate LC Meter based on PIC 16F628A. Having inspired from surprisingly accurate LC Meter. This is my attempt to build an accurate L/C meter. This design is little different from other designs found on the internet. The goal of my hard....
Im looking for a Light timer/ dimmer Like something you would find on a Dome light. but dont know where to start ..
Geralds 1958 Cadillac Eldorado Seville, 1967 Cadillac Deville,1967 Eldorado and 1971 Lincoln Continental Mark III - everything you always wanted to know about these cars ..
The system is driven by vacuum only, so I started to look through the vacuum hoses once again. I had already exchanged a couple of them last year. I found another two brittle ones going through the firewall to the headlight switch from where a slight hissing....
This is the electronic schematic of the homebuilt SONAR. Only one piezoelectric tranducer is used for both tramsmit & receive. This transducer is switched from TX to RX via the four 4016 switches. A high gain amplifier stage & rectifier translates the....
Electronic Project Eprom Emulator This EPROM Emulator was designed to compliment the EPROM Programmer (Mark 2)....
SPI Integrated Circuit Bus , IC Buses, an IC, Chip-to-Chip Bus Serial Peripheral Interface, Integrated Circuit Bus types, and IC Bus Electrical Interface Descriptions, . Peripheral Interface (SPI) circuit is a . -> Integrated Circuit Bus Li....
When you want the counter circuit since 0 arrive at 99. I thinks this circuit may on the same wave length you certainly. it uses IC LM4017 decade....
I used input frequency 10Hz to output 1Hz.This is a 10 divider circuit. When we need a standard digital clock 1 Hz. but we have the input signal is square wave....
In addition to using the LA3600 IC, was the 5 channel graphic equalizer. We can also be designed was the 10 Channel Graphic equalizer circuit. By connection....
This circuit is a basic function of the FET 2N3819, which acts as a switch. In the conduction and not conduction. It runs contrary to the transistor. The....
This is circuit MOSFET power amplifier OCL, Output 100w , use mosfet k134+j49 or Mosfet J162 + K1058, Output 112W at Speaker 8 OHM. Power Supply +56V/-56V 4A....
This is Power AC Dimmer 1200 watt size. It is use a triac Q4006LT. Friends ever tour is the foreign land has and to ever reach rest a hotel. On bed head has....
This is flashing blinks circuit, 12V sizes. By use fluorescent lamp the small-sized.It live the work of relay perform be the circuit modifies from DC to be....
My friend bought a digital camera that can take pictures and videos as well. But he tell that it have restrictions is available not long the battery runs out ..
This circuit designs for modify power supply input 12V from battery or the other. Have the level voltage be down be left 9V be stable or , 9V at 2 Amp....
12VDC to 37V DC converter by SG3524 Hello there!! How are you doing? When my friend of I wants DC to DC converter circuit +37V GND -37V sizes use an....
This is a standard digital clock circuit,frequency size 1 Hz or 2 Hz. It can be used in the normal clock circuit. It consists of IC-4060 and IC-4013, the....
When you need an amplifier with high watt power. For use in applications such as concert, theater, the festivals etc. This circuit is most suitable. Both....
Follow the request of friends who likes High power Amplifier Circuit. I then beg for to advise this circuit. It has can to give the electric power about 300Watt RMS unless. Still be amp OCL Model Class AB give sound tall power and certainly should....
The 40W Amp OCL 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A. Transistor 2N3055+MJ2955 must be mounted on heatsink. Can....
The graphic equalizer circuit the frequency adjust circuit. For some kinds of audio frequency response is not smooth. The....
This circuit 5 Channels 2 Octave Graphic Equaliser,easy to make equalizer, because using IC LA3600 (easy to use) For you who take an interest sound of music....
This be delay timer circuit model to be simple. It be the character delays to close electric all appliances. By fix the time about 5 minute. It can fine....
The 50W Power Amplifier OCL Mosfet (K1058 + J162) is easy to build, and very inexpensive. To use Power Supply +35V -35V at 2A. Power Mosfet (K1058 + J162) must....
This is danger beep circuit. It use 555 integrated number circuits build to are a stable mutivibrator that be valuable duty cycle 5% driver loudspeaker....
Most of the frequency multiplier circuit using IC phase locked loop (PLL).It will increase the frequency to an integer only. But this circuit can double the....
If you want one small lamp that flashing for general to use. I have many ways, But today you see this three of the lamp flasher circuits. Which it has....
The digital circuit additional a circuits taht is very useful is On-Shots circuit or Also known as Mono-stable multivibrator circuit. This behavior is the....
This is versatile digital counter circuit, that as a cheap due to basic components you can buy in many electronic shop. My friend said the some circuits that....
This the circuit AC dimmer low voltage For lamp 6V. While this friends may don`t see the advantage of this circuit. But I thinks first step advantage be something get learn the work of Triac. And have tall safety, because of use AC Low Voltage. Which the....
This circuit has can to turn down a light bulb arrives at 100W. If Triac there is tall temperature should hold Heat Sink or let off the heat. The Diac be diode that perform be formed encourage or Trigger Diode 2 kinds are way or Bidirectional. The VR1 use....
