Classic Timer Based On 555 Timer

Classic AC 230 V Timer project can be used in all application requiring a timer of up-to 3 Minutes to operate or control any AC mains load of up-to 200 Watts.  This project is based on the Classic 555 Timer IC, triggering a TRIAC.  Input and Output is Optically Isolated.  Supply input 12 VDC  Mains supply input 240 VAC or

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Lux Meter Module – Light Meter Schematic

  LUX Meter project has been design to measure the illumination.  Illumination is luminous flux falling on surface area of photo diode.  This illumination converted to corresponding voltage using Op-Amp circuit. Supply 9 VDC PP3 Battery @ 20 mA  Onboard Photo Diode  Onboard preset for calibration  Range selection via jumper 10mV/LUX, 1mV/LUX, 0.1mV/LUX  Interfacing is via berg connector  Power-On LED

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16 Channel Infra Red Remote Control

16 Channel Infra-Red remote controller is based on PIC16F73 Micro-controller from Microchip. The receiver part follows RC5 (Philips) Code Format. Tiny receiver provides 16 latch outputs or 8 Latch + 8 Momentary outputs by closing Jumper J1. All outputs are TTL and can drive Relay board or solid state relay. The circuit uses TSOP1738 Infra-Red receiver module which provides high

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