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This is a simple and easy project for beginners to electronics. As your first step in electronics, it will familiarize you with the electronics world and soldering.
A simple timer built around the popular 555 Integrated Circuit. The timer enables the output when the power is applied to the circuit and disables it after the preset time interval.
10 WATT Audio Amplifier
This compact audio amplifier uses the popular TDA2003 Integrated Circuit which can deliver over 10W of music power into a 4 Ohm speaker.
Bussy Phone Indicator kit
To avoid interruption of your telephone conversations or computer modem connections, add this kit to any or all of your telephone outlets.
This circuit is a universal amplifier which can be used in many applications such as telephone amplifier, head-phone amplifier (mono), and general audio signal amplification.
Call 800-272-2737 to order
This is great for listening to TV at the volume you need while not disturbing others. It transmits the TV audio to any FM radio and you can have earphones on listening at any volume level you may need.
Using this circuit you can drive a 40W fluorescent light tube using a 12 VDC voltage such as a car battery. It is great for campers, boats, emergency lights and rural areas.