Top Circuits Page 180
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This circuit bellow include in the Relay Timer Circuit. One of the most commonly used circuits is that of the 555 Timer I.C. The circuit is ....
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The following circuit shows the Bedside Lamp Timer Circuit With CD4060 IC. 30 minutes operation, Blinking LED signals 6 last minutes before ....
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The following circuit shows a timer circuit with independent mark and space periods. This circuit based on the 7555 IC. Features: output high is calculated by T(on) = 0. 7 Ra Ct, output low is calculated by T(off) = 0. 7 Rb Ct, astable timer, (on) and (off)....
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The following circuit shows about servo motor driver. This circuit based on the 12F675 IC. Features: Timer 0 timing, single control line from ....
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The following circuit shows about Tachometer Circuit Project. This circuit built based on the 555 Timer IC. Features: monostable IC, voltage ....
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The following circuit shows about Flashing LED EGG Timer Circuit Diagram. This circuit using the 2N2646 transistors. Features: MPF112 FET ....
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The following circuit shows about Frequency Voltage Converter Circuit. This circuit based on the LM331 IC, Features:15V DC as the accumulation ....
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The following circuit shows about Repeating Interval Timer Circuit Diagram. This circuit based on the CMOS4060 IC. Features: 6 pin output, IC ....
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The following circuit shows about Alarms Police / Ambulance electronic Diagram Design. Features: simple and easy to assemble, Cheap circuit, ....
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The following circuit shows about Bedside Lamp Timer Circuit Diagram. This circuit based on the CD4060 IC. Features: LED illuminates for around 25 ....
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The following circuit shows about 5 Zone Anti Theft Circuit Diagram. This circuit Based On The CMOS 4050B IC. Features: system may comprise in ....
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The following circuit shows about Schematic Diagram Of LED Sequencer. This circuit based on the 555Timer IC. Features: 555 timer circuit to debounce a mechanical switch, 555 timer circuit to produce clock pulses, pulldown resistor, 4017 decade....
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Running Message Display Circuit Diagram. This circuit Based On The CD401IC. Fetures: Light emitting diodes are advantageous, cos smaller size, ....
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The following circuit shows about Set Timing Calculator Circuit. This Circuit based on the LM555IC. Features: provide a delay of approximately ....
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The following circuit shows about Selective Timer Alarm Circuit. This circuit based on the 4060IC. Features: The alarm will automatically turn OFF after the ....
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The following circuit shows about BC547 Transistor For Output Relay Delay Audio Amplifier Circuit Diagram. Features: disconnects the speaker immdiatly when the ....
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The following circuit shows about NE555 Timer For Electronic Scooring Game Circuit Diagram. Features:The circuit comprises a timer IC, with a ....
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The following circuit shows about Nixie low voltage PSU With 555 Timer IC. Features: The coil used in this schematics is bought in the shop, ....
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The following circuit shows about PIR Sensor Timer Circuit Diagram. Features: simple circuit, more accurately, efficient. Component: Diode, ....
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The following circuit shows about Cat And Dog Repellent Timer Circuit Diagram. Features: high output ultrasonic transmitter, uses a standard 555 ....
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The following circuit shows about Cat And Dog Repellent Timer Circuit Diagram. Features: used to maintain a deep cycle battery from a solar panel, ....
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The following circuit shows about Airplane Flight Timer Circuit Diagram. Features:switches in the closed position, battery voltage in the safe ....
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The following circuit shows about 555 Timer IC For RF Sweeper. Features: used a 1N4004 Diode, JF1OZL uses a pot for a fine frequency control ....
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This circuit shows about 4017 IC For Flip-Flop Timer Circuit DIagram. Features: Push-button S1 will discharge capacitor C1 through R2. Component: ....
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The following circuit shows about 555 Timer IC For IR Detector Circuit. Features: duty cycle of 0.8mSec, frequency of 120Hz and 300 mA peak ....
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This circuit shows about Go-No/Go Tester Circuit With 555 Timer IC. Features: more advanced unit with a precise timed testing procedure. ....
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This circuit shows about 4060IC For Timed Beeper Electronic Circuit Diagram. Features: suitable for table games requiring a fixed time to answer a ....
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Description:This circuit shows about 7555 IC For 5 To 30 Minute Timer Circuit Diagram. Features: useful circuit because by using this circuit you can operate ....
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The following circuit shows about CMOS 4060 IC For Repeating Interval Timer Circuit Diagram. Features: Based On The CMOS 4060 IC, 14-bit binary ....
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Description: 7Segment Common LED UV Exposure Box Circuit Diagram. Features: used Stan Ocker`s circuit, uses a PIC16F84 to count and display the time ....
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Description: AT89S52 For Bell Timer Circuit Diagram. Features: 7segment display is replaced with LCD display. DS1307, uses AT89S52 microcontroller and I2C ....
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This circuit use TA7222AP to amplifiers audio signal. The price only $0. 99 and can provide 5. 8 watt with Muting Control. Power supply can use for 8-12Vdc it is a good idea to use for car audio power amp, coin-op machine game, security system etc...
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This circuit will generate siren sound when S1 pressed and increate sound frequency becuase capacitor C1 charged when switch S1 released the frequency will decreated(C1 discharged)...
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This is simple 3-digits digital volt meter. PIC16F676 used to read analog signal(voltage) and display the value on 3-digits 7-segment. You can apply to mesasure DC currant with parallel Rshunt but I`m not descript here. As we know the most of PIC....
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Magnetic core memory was the most widely used form of digital computer memory from its birth in the early 1950s until the era of integrated-circuit memory began in the early 1970s. Aside from being extremely reliable, magnetic core memory is an appealing....
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On the poles, the plane of the pendulum swing would make one rotation each day. On the equator, however, the plane will not rotate at all. This begs the question of why the plane rotates. Due to rotating reference frames and the Coriolis force, the pendulum....
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Building circuits to interface an Amiga A1200 to a PC AT/ATX power supply and tower case....
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The frequency measurement is one of the most important things in radio construction. Without it you will be unable to set desired frequency in your receiver (and in transmitter too!), without it you will be unable to monitor frequency drifts etc. Sometimes,....
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A simple synthesised 13cm ATV exciter my thoughts turned to what could be used as a power amplifier. The exciter produces about 10mW perhaps enough to drive some sort of MMIC or hybrid amplifier. The problem with 13cm is that at 2. 3 GHz and beyond devices....
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A design for a synthesised ATV transmitter covering the 13cm band and beyond up to about 2. 6 GHz. This transmitter has been designed for optimum video performance and can achieve a broadcast quality signal when received with a professional TV microwave....
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One day on the 50MHz SSB-QSO, my friends JE3TXU/1 (Mr. Haraguchi) sad to me that he made 50MHz very small transceiver. I said to him that he shall inform about it on the Japanease CQ magazine. You can see about it on the book. See the photo! This rig is made....
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The 7MHz CW transceiver made with MC3362P. I made a 7MHz CW transceiver by using the IC for the narrow band FM double super receiving circuit, MC3362P. I intended to make a transceiver for 10MHz band in the beginning. But, I was worried by the neighboring....
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The choice of IF is usually determined from availability of filters with desired characteristics. For communication receiver or transceiver the requirements for main selective element are very high, and usually two types of filters are used:....
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Cheap, simple, and accurate thermostat circuits with instructions....
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Good Preparation. I like this. There is one suggestion you can use RFM70 or RFM22 for RF communication....
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Do you know our 8051 microcontroller can play music tones, here s an sample. The circuit & code given here will play the music for “wishes you to be ....
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The MSF transmitter sends time data bit-by-bit over the 60 seconds of each minute by dropping the 60 kHz carrier. It`s a basic CW signal [1]. Two bits are transmitted every second by modifying the length and number of carrier drop(s) per second (see the....
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The Geiger counter is a scientific instrument that can detect ionising radiation such as alpha and beta particles and gamma rays. It`s capable of detecting a single particle and although relatively simple is thus exquisitely sensitive [1]. Radioactivity was....
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Here we describe a simple process to `put a voice on a sunbeam` and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. We then describe how the modulated light is detected and demodulated in a....
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A simple low cost Infrared LED speedometer is described that can be fitted to a skateboard, longboard or even a bicycle to measure speed. Notes on building, setting-up and calibration are given. When used with a low cost data logger continuous measurements....
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The handheld mini light beam receiver. On the left is a small solar cell, you can make out the various components on the circuit board through the transparent lid of the box. On the right, top and bottom, are the headphone and crystal earpiece sockets while....
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Jim took the original EMT 140 design and improved it by using a plate material with a brighter sound, adding modern electronics and higher gain pickups, and providing a substantial discount on the inflated price that plagued the German EMT units. After....
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CrustCrawler develops and manufactures cutting edge walking robots and robotic accessories....
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A dual-RCX, six motor dog. Slashdot Review. Cindy Salwen pointed out a description of the protocol for the serial interface between the computer and the Dacta Control lab. This may or may not be related to the protocol used by the RCX, but if you`re reading....
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The frequency is constant varying between two set values, on the oscilloscope screen you get a frequency spectrum with the response curve of the two circuits. The input voltage of the receiver is 0. 1 Volt peak-peak, the voltage across the detector circuit....
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Diodes with a low voltage drop, also have a high reverse current (leaking current), this will load the detector circuit heavier, the Q of the detector circuit reduces, and with that also the voltage across the LC circuit. At a lower input voltage the diode....
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Welcome to the Birmingham, Alabama Crystal Radio Group website. We are the host of the crystal radio receiving contest.This page contains a little information about us and our crystal set activities. Here are some of the 2008 contest radios, first page. ....
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As an integral part of an advanced computer science course in microcomputer systems it was thought that students could benefit from the design of a single board computer system based on a readily available microprocessor. This led to the project that is....
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This page has links to various projects and items of interest for the RoboticsArt Studio class projects....
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A robot named "Wet Dream" was constructed whose purpose was to roam around, avoid collisions, locate people, and squirt people with an onboard motorized water gun. The robot was built to maneuver in an unstructured environment and be able to react....
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To measure the frequency response of the e-meter, a Wein Bridge oscillator, oscilloscope, and single-ended power supply were used. (Ironically, a bridge oscillator is being used to measure a bridge detector. ) The oscillator uses a TL074 quad op-amp,....
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Laser Command is a game which I build using a 8x8 matrix LED and an Arduino Mini. This game was developed as a "sample" class project in S10-05833 Gadgets, Sensors and Activity Recognition in HCI. The class is taught by Scott Hudson at Carnegie Mellon....
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I designed a 8x8-bit memory module using LogicSim, a shareware software program that allows people to create logic diagrams and run a simulation using that design. The memory module I created uses 688 logic gates. There are couple layers of abstraction in....
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The Skeyeball project is an ongoing project in the Indiana University System Design Methods Laboratory for both graduate and undergraduate students to perform embedded system design and implement various projects. The downlink portion of the project involves....
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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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You will be reading input from a keypad and display the corresponding button pressed unto a 7-segment display. You will be required to write a C program which will determine which key has been pressed on the key pad. The program will then display the....
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A guitar to MIDI interface was designed that was intended to serve as an interface between guitar playing and MIDI control of external hardware and software. This document describes the details of the design, experimentation, implementation and final outcome....
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As mentioned earlier, Arduino consists of two major parts: the hardware (the Arduino board) and the Software (the IDE). The advantage of using the Arduino is that we can build a circuit and then modify how it responds by changing the code (instead of....
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The layout design of the TIQ Flash ADC follows closely with the shown circuit diagram. A row layout is designed, and the rows are stacked. A row consists of a comparator, a gain booster, a 0-1 generator, and a ROM (one row)...
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For all those who like to add stuff to there truck(thats about every body) im starting a thread JUST OF WIRING DIAGRAMs Before posting your diagram....
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The board is rather simple and is based on a PCF8574 providing to the I2C the output of a CD 4040 counter. A dip switch is provided to select the PCF8574 address and some leds for power on and wind activity. The DIP switch was not soldered thus the circuit....
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Cymbet Corporation offers rechargeable solid state batteries for advanced microcontroller power backup. We are a leader in thin film energy storage....
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4 Stage FM Transmitter This is the FM transmitter circuit which apply 4 radio frequency stages, that are a VHF osci Wholesale fmuser CZE CZH FM Transmitter,Fm Transmitter % FM Radio Transmitter for sale ?czhfmtransmitter,OEM ODM Low Power Fm Transmitter....
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Phase Lock Loop (PLL) FM Detector with 565 PLL IC. the circuit diagram and internal structure of PLL IC 565 is shown in the given figures....
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A multivibrator which generates square waves of its own (i. e without any external trigger pulse) is known as astable multivibrator. It is also called free ramming multivibrator. It has no stable state but only two quasi-stable (half-stable) makes....
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Encoder and Decoder are circuits which converts the analog signal to digital and digital signal into analog signal. Its input will be in digital form while the output will be a continuous sine wave or analog wave....
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These are resonant circuit or tank circuit oscillators. They are commonly use to produced high frequencies as ranging from I MHz to 500 MHz Hence they are also known as RF oscillators. These oscillators are used in RF generators, radio transmitters and....
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In a monostable multivibrator, one of the state is absolutely permanent i. e, stable and the other one is temporary i. e, quasi-stable. When an external trigger pulse is applied to the mono-stable at appropriate point, the mono-stable changes it state from....
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RC oscillators employ resistors and capacitors and are used to generate low or audio-frequency signals. Hence they are also known as audio-frequency (A.F) oscillators....
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The frequencies which are above to the limits of hearing are called Ultrasonic waves or frequencies, ultrasonic waves, piezo electic cell, Magneto Striation OSC, Piezo Electric OSC, Hartley OSC with piezo Cell....
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This circuit can be primarily used for charging 12V Ni-Cd battery packs. Any way 6V and 9V battery packs can be also charged by using this circuit a little....
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The success or failure of your lighting upgrade efforts rides on the quality of your parts and the quality of your work. It matters how carefully you route wires to avoid chafing insulation. It matters how well you solder connections (crimps and sloppy or....
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Build your own arc welder! Many of you have been so patiently waiting the arrival of these DETAILED PLANS that you can purchase and download (4. 6MB pdf!)for a small fee...
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The LinkSwitch-XT LNK363DN based‚ flyback power supply shown in Figure 1 generates a single isolated DC output voltage from a 90 VAC to 264 VAC input voltage range. The power supply output is 5 V, 550 mA (2. 75 W) constant-voltage/constant-current (CV/CC).....
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The converter shown in Figure 1 uses a member of the PeakSwitch family (U1, a PKS606YN) to drive a 36 W motor, while delivering startup and load transition peaks of up to 72 W. The motor`s speed is variable by two methods: 1) potentiometer R20 (connected to....