Small RF universal remote controls
This small RF remote control or Radio Control (RC) circuit. can install it a toy or automobile, 6-12 volts supply. RF receivers in car will control motor. Read more
Controls & Timers
DIY infrared remote extender circuits
the DIY infrared remote extender circuit to control the satellite receiver from any room in the house.With a single receiver.Save money not having to buy Read more
Infrared Remote control transmitters Circuits
This is the Infrared Remote control transmitter circuit. It has high performance and can be applied to works with the various infrared receiver circuit. To made easily and best to save your money. I want not to tell you much, what is the infrared remote control. Because you have known as well. So I recommend … Read more
Temperature controlled on off relay circuit using LM393
The temperature controlled on off relay circuit,main ideals is thermistor will change its resistance.IC1-LM393 to bias transistor to drive relay works. […] Read more
Infrared Intruder Alarm circuit diagram
This is an Infrared Intruder Alarm circuit that interesting. Imagine some people walk through restricted areas. At that moment, this circuit immediately sounded to alert you. It uses the principle of cut the infrared light. The circuit will recognize, control relay runs, and turns on a warning signal like a siren for us to hear. … Read more