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All three LED s of AC mains voltage indicator are connected between collectors of transistors T1, T2, T3 respectively. Here potentiome... -
This circuit passes frequencies in the 300Hz - 3.1kHz range, as present in human speech. The circuit consists of cascaded high-pass and low-... -
Arduino based projects are quite complicated and is no cake walk for beginners in this field. Interfacing a tablet with the microcontroll... -
When turning a computer on and off, various peripherals (such as printers, screen, scanner, etc.) often have to be turned on and off as ... -
If you want to connect a video signal to several destinations, you need a distribution amplifier to match the 75-ohm video cable. A dis...
