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In this project, I designed a nightlight that automatically dims and turns itself off. A lot of people find it difficult to fall asleep when the...
Materials: Jumper wires Printed circuit board IC1: 741 OP AMP IC2: 741 OP AMP Terminal Connectors R1: 1MΩ R2: 5kΩ variable R3: 2.2kΩ R4: 3.3MΩ C1: 220...
This is the circuit that I designed for this project. To power this project, I am using a 6V 400 mA DC power supply. Its open-circuit voltage (no load...
Testing your circuit on a breadboard before soldering can help work out bugs.
Then if the breadboard prototype works, solder it onto a circuit board. I am using a style of printed circuit board that is laid out just like a bread...
Once you have the circuit constructed, find a suitable housing. Then drill some holes for the LEDs, the switches, the dial and the power cord. Trim yo...
The last step is making it look nice. If you want, you can added a diffuser or something to scatter the light. You can tint the LEDs gels or just liqu...
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