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Darlington pair touch sensor
hi people.. I am Saksham from Lucknow, India. This is my new darlington pair touch sensor made by me, using four NPN transistor BC-547 arranged on a breadboard. When we touch the "touch plate" a very little amount of current flows from our body to the base of the transistor. The two transistor amplify the current and light up the LED. Darlington pair touch circuit... LED lights up by touching the "touch plate" a schematic of the circuit only difference is that i'v used 4 transistors in this format
LM386 Audio Amplifier (Mono)
Hello guys, Im Saksham Prakash, 14, from Lucknow, India. In this post, I'll be showing you the audio amplifier, I made recently. The circuit is built on a perfboard which is fixed inside a cardboard box with the knob and other stuff sticking out. Some details are- IC- LM386 Wattage- 1/2 Watt Input Voltage- 6V-12V (I'm feeding 12V) Type- Mono (still working on stereo) Speakers- 2X 6 ohms 20W Song- She's like the wind - radio remix Here is the super simple schematic of the circuit- Some pics- Front view.. 3.5mm Jack (audio input) Output My two 6 ohms 20W speakers My 9V Battery. Finally the video- TURN YOUR BASS KNOBS TO FULL!!






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