IR devices
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Simple IR Audio Link Circuit
In this project, I’ll show you how to make a Simple IR Audio Link circuit that can wirelessly transmit audio…
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PIR (PASSIVE INFRARED SENSOR) SENSOR
In our country, PIR ( Passive Infrared Sensor ) sensors, which are called motion sensors, can detect the temperature of a human or a flame. Humans or…
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SIMPLE LDR CONTROL CIRCUIT
Light dependent resistor (LDR) LDRs (light-dependent resistors) are used to detect light levels, for example, in automatic security lights. Their resistance…
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CURRENT MEASUREMENT
In many applications it is the current that requires another measurement, such as measuring voltage. Before mentioning the current measurement, it…
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PFC TECHNIQUES IN SINGLE PHASE RECTIFIER CIRCUITS
POWER FACTOR While simple loads do not draw reactive power from the grid, complex loads also receive reactive power from…
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DESIGN PROJECT!
There are two linear regulators in the bag of most people dealing with hobby electronics: LM317. One opamp (LM318) and plenty…
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CLASSIC 100W HIFI DARLINGTON TRANSISTOR AMPLIFIER CIRCUIT Schematic Circuit Diagram
I say the classic, but many of the site we see similar darlington transistor quality hifi amphi circuit .. very…
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Basic infra-red transmitter
The transmitter is intended primarily for use with the receiver in the preceding articles. It works form two small 1.5…
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Infra-red transmitter
Infra-red transmitter: It often happens that someone wants to watch television without the sound disturbing other people in the room.…
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Ferguson BSB receiver as D2MAC decoder
After the demise of BSB( British Satellite Broadcasting) in early 1991, the electronic surplus market was flooded with the tens…
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