Electronics And Projects

22 Watt Audio Amplifier

The 22 watt amp is easy to build, and very inexpensive

6V to 12V Converter
This inverter circuit can provide up to 800mA of 12V power from a 6V supply.

Rain Detector
This circuit uses a sensor made of a small piece of etched PC board and a simple SCR circuit to detect rain.

IR detector
This circuit has only been tested with a 74GCT04.

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