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You can easily build an infrared illuminator yourself at home with a little effort. You should have basic electronics knowledge on order to attempt this simple IR illuminator project. There is nothing difficult in this circuit. I have used 68Ohm and 1 Watt....
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Discrete Class AB Transistor Audio Power Amplifier Circuit Diagram This is a class AB transistor power amplifier. It is a simple amplifier to...
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Here is a solar powered Flasher to scare away the nocturnal animals like bats and cats from the farm yard or premises of the house. The brilliant multicol....
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In most countries it is now mandatory or at least recommended to have a rear fog light on a trailer with the additional requirement that, when the trailer is coupled to the car, the rear fog light of the towing car has to be off. The circuit shown here is....
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This is a design circuit for tachometer circuit based on the LM2907 IC can be used to provide zero crossing datum to a digital system. At each zero crossing of the input signal the charge pump changes the state of capacitor C1 and provides a one-shot pulse....
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Its a high quality FM receiver circuit based on IC CXA1019. CXA1019 is a monolithic silicon bipolar radio FM / AM receiver IC for Sony. Built in circuitry within the CXA1019 includes RF amplifier, mixer, oscillator, amplifier, quadrature detection circuit,....
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Schematic and description to make fm transmitter. It is a simple fm transmitter circuit with minimum components but it has a long range. ....
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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....
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Hi I am new to electronics and have some questions about reading circuit diagrams. When I look at circuit diagrams I don`t know which order the wires, ....
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This circuit inverter converts 12V DC battery to AC 22oV as the replacement of home energy. The inverter can be used for small electronic devices such as lamps, radio, phone charger, disc player, etc. The inverter circuit is a central component, the CMOS....
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The P5 design uses only eight 74HC/AC240 chips which are all octal inverting buffers. Each 74HC/AC240 chip has two groups of four inverters each controlled by a tri-state enable pin (pin 1 and 19). The 74AC240 chips (U1-U5) are used as H-bridge style motor....
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This circuit is selective for the tuning adjustment between two closely spaced tones audio. The frequency is dependent on the selective value capacitors and resistors in the feedback circuit between the collector and base of Q1. With the values shown, the....
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Even if a large number of album titles once available on vinyl are now, little by little, being proposed as CDs, not all are available and far from it. You may have treasures in your collection that you would like to burn on CDs. First, preserving a CD is....
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It can set delay time according to the voltage Us and resistor R. In the circuit, S1 is the the discharge switch of capacitor C. When the switch S1 is closed, the stored charge on C will be released through S1 to ensure the accuracy of the delay time the....
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Crap, the sensor on my clone is low resistance and the replacement heater is 45 Ohms. Is there anywhere you can buy the clone heaters or modify the station to accomodate the genuine heater Going home for the holiday week but the circuit inside last I looked....
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This improved infrared detector is specifically intended for use with commercial IR remote control handsets. This little circuit is useful for quick go/no-....
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This circuit is intended for alerting purposes after a certain time is elapsed. It is suitable for table games requiring a fixed time to answer a question, or to move a piece etc. In this view it is a modern substitute for the old sandglass. Useful also for....
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To avoid hum and interference in our high quality DAC we need to galvanically isolate him from a signal source and break potential unwanted ground loop. One possibility is to isolate DAC on input of the S/PDIF decoder with pulse transformer or connect him....
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ATA6823 is designed specifically for automotive applications that require high-power motors. It provides four high-current Gate driver outputs capable of driving a wide range of n-channel Power MOSFETs in a full-bridge configuration. A fully integrated....
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Although not a new device, the LM317 is still a high-performance regulator. Its output voltage is essentially immune to fluctuations in load, supply voltage and temperature and this makes it ideal as the central element in a float charger for NiMH cells.....
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This voltage regulator circuit gives a stable 5V output from unregulated inputs (more than 5V). The stability of the output voltage is good enough, only change...
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Oscillating circuit (coil) are made on a ferrite bar. If you wish to listen long waves winding "1-2" has 135 turns and 3-4 has 20 turns. If you wish to receive medium wave winding "1-2" has 75 turns, and "3-4" has 7 turns (wire used must be CuEm 0. 15mm). In....
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The working of Negative Resistance Oscillators,Types like Dynatron,Tunnel diode oscillator, their characteristics and circuit diagram is explained....
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The plan is to have some plant sensing working for a groworld installation we are doing at Camp Pixelache so I`ve made the circuitry a little more durable with a bit of soldering: Here`s the circuit diagram the values of components are influenced by what I....
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The LA4165M Recording-Playback IC combines the functions required to design the recording and playback systems and Motor Control circuits for micro- or standard-cassette tape recorders into a single chip. Functions provided include Automatic Audio input....
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A very simple Field Strength Meter composed of a small antenna, a detector diode, a resistor, capacitor and a Micro Ammeter. Assuming that this simple circuit would be sensitive enough to detect the HF field, providing we keep it close enough to the....
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He only contributes with 3. 2nV/ HZ of noise tension and 0. 45pA/ HZ of current noise to the circuit. To minimize the noise of other sources, R3 it is configured for 100 ©. That generates tension of noise additional of only 1. 3nV/ HZ. R1, R2, c1, and c @....
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For any robot to perform the tasks it is assigned, a controller is required. The controller may be mechanical, electrical, electronic or a combination of these. It is the brain of the entire system and gives the robot its intelligence. Additional....
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Another method of testing the received signal strength on a Symphony based wireless network is with a homebrew signal meter. The National LMX2240 Intermediate Frequency Receiver has a certain pin called "RSSI Out". RSSI stands for relative signal strength....
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This circuit is a general-purpose 10-W audio amplifier for moderate-power PA or modulator use in an AM transmitter. With higher voltages and a change in bias resistors, up to 30 W can be obtained. The Output Stage Amplifier using transistor 2N3055 and MJE2055...