Here the circuit design of vibration sensor alarm. Initially, when power switch S1 is flipped to "on" position, power indicator…
This is the circuit design of the protector for electronic appliance with three-phase power supply. Many of electronic appliances need…
This is the glow plug control module unit to raise the air temperature inside the engine cylinder for quick and…
This is the electronic bicycle directional lights circuit that use inexpensive components and is a good substitute to many commercially…
This is a simple and low cost dew sensor circuit that can be used to switch off any gadget automatically…
This is the circuit diagram of 3V strobe light miniature. The strobe lights are generally used to create nice looking…
This is the circuit connection of home telephone call recorder that uses very few components. In order to understand its…
This is a small 12W audio amplifier over a load of 8 Ω, that combining the NE5534 integrated with a…
This is the circuit diagram of 70W OCL power amplifier with output power of 70 watts single channel. It uses…
This is the circuit diagram of 5VDC single polarity to 12VDC dual polarity converter based on IC LM2595-12 from National…