Smart Vibration Sensor Alarm
Here the circuit design of vibration sensor alarm. Initially, when power switch S1 is flipped to "on" position, power indicator…
Protector for Electronic Appliance with Three-Phase Power
This is the circuit design of the protector for electronic appliance with three-phase power supply. Many of electronic appliances need…
Glow Plug Control Module
This is the glow plug control module unit to raise the air temperature inside the engine cylinder for quick and…
Bicycle Directional Lights
This is the electronic bicycle directional lights circuit that use inexpensive components and is a good substitute to many commercially…
Simple and Low Cost Dew Sensor
This is a simple and low cost dew sensor circuit that can be used to switch off any gadget automatically…
3V Strobe Light Miniature
This is the circuit diagram of 3V strobe light miniature. The strobe lights are generally used to create nice looking…
Home Telephone Call Recorder
This is the circuit connection of home telephone call recorder that uses very few components. In order to understand its…
12W Audio Amplifier based MOSFET 2SK135 / 2SJ50
This is a small 12W audio amplifier over a load of 8 Ω, that combining the NE5534 integrated with a…
70W OCL Power Amplifier
This is the circuit diagram of 70W OCL power amplifier with output power of 70 watts single channel. It uses…
5VDC Single Polarity to 12VDC Dual Polarity Converter
This is the circuit diagram of 5VDC single polarity to 12VDC dual polarity converter based on IC LM2595-12 from National…