This automatic night light circuit to controls power on-off in home. If daytime stop working circuit. But at night will working electrical AC 220 volts. [...]
All controller, motor speed driver,switches,timer,sensor,and more : Timer switches • DC motor speed control • Delay timers • Light switchs • SCR controls • Light dimmers • Infrared remote control system • and more…
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.
This electronic thermometer that display by LED 20 level and The peripheral Bells Alarms. When the temperature reaches the preset value.
build the Ultrasonic sensor circuit project with versatile controls. to radar systems, when we send out the waves, then detects the reflected back.
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
This is Infrared Remote control transmitter circuit has high performance and can be applied to works with the various infrared receiver circuit. To made easily. And best to save your…
The temperature controlled on off relay circuit,main ideals is thermistor will change its resistance.IC1-LM393 to bias transistor to drive relay works. [...]