Circuit For Quiz Contest : Electronic Jam
This is the design diagram of electronic jam. This jam circuit can be implemented in quiz contests in which any…
Why You Might Want Train Horns
Imagine for a moment that you are driving down the road in your truck and it has been a long…
Simple Battery Level Indicator
Here the circuit diagram of simple and easy made battery level indicator. In general, in mobile phones, the battery levels…
Power Supply Failure Alarm
This is the 'special' circuit design of power supply failure alarm. The vast majority of the power supply failure alarm…
USB Powered, Stereo Computer Speaker
This is the circuit diagram of USB powered stereo computer speaker, or it widely known as multimedia speakers for PCs.…
Shutter Guard
This is the shutter guard circuit which has sensitive vibration sensor, piezo-sensor. This circuit is specifically designed for outlets to…
Automatic Switch-Off Staircase Light
This is the circuit diagram of staircase light with automatic switch off. It based on timer which is can be…
Portable 230V Lamp Flasher
This is a portable, 230V high-power incandescent electric lamp flasher circuit diagram. It is actually basically a double flasher (alternating…
Electronic Horn
This is an easy, low cost and easy built circuit of an electronic horn which is designed close to quadruple…