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Simple Medium-Wave Modulator
If you insist on using a valve radio and listening to medium-wave stations, you have a problem: the existing broadcasters have only a ...
AB Transistor Audio Power Amplifier Circuit Diagram
This is a class AB transistor power amplifier. It is a simple amplifier to build, uses standard parts and is stable and reliable. The en...
Water Pump Relay Controller Circuit Schematic
Water reservoir automatic level control, Simple circuitry - 12V supply By means of a Relay, employed to drive a water pump, this circui...
Dual Power Supply 78xx-79xx
Many times the hobbyist wants to have a simple, dual power supply for a project. Existing powersupplies may be too big either in power ou...
PWM Dimmer/Motor Speed Controller
This is yet another project born of necessity. It's a simple circuit, but does exactly what it's designed to do - dim LED light...