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Posts tagged Lighting

Outdoor Motion Sensor schema diagram

Outdoor Motion Sensor using IfraRed Detector Circuit with TSOP4840 A Outdoor Motion Sensor is a device that contains a physical mechanism or electronic sensor that quantifies motion that can be either integrated with or connected Detector Circuit.

Lights & LED Circuits & Schematics LDR

An ordinary automatic room power control circuit has only one light sensor. The circuit uses two LDRs which are placed one after another (separated by a distance of say half a metre) so that they may separately sense a person going into the room or coming out of the room. Outputs of the two LDR […]

High voltage op amp

high voltage op amp using UA741 The op-amp UA741 is wired to operate in three frequency ranges- high, medium and low. The circuit is designed such that the circuit produces +/-20 dB boost or attenuation for 50Hz,1KHz and 10Khz by varying POT’s R2. The maximum amplification for any of these bands at maximum supply voltage […]

Audio amplifier circuit diagram using transistor

Audio amplifier circuit diagram using transistor How to build a simple amplifier circuit

Electronic circuit diagram Avalanche Pulse Generator

Electronic circuit diagram Avalanche Pulse Generator

Simple headphone amplifier circuit

Simple headphone amplifier circuit using LM386

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