Electronic projects

This charger will quickly and easily charge most any lead acid battery.

author:
visits: 45883

This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and can be powered from almost every source.

author: Jonathan Filippi
visits: 43497

The limitation of car supply voltage (12V) forces to convert the voltages to higher in order to power audio amplifiers.

author: Jonathan Filippi
visits: 34993

Interesting light for your bicycle. Made of LEDs. Very nice!

author: Paul Hill
visits: 32436

When you first press the brakes, this circuit will turn on your 3rd brake light via the main brake lights. After about a second a series of short strobe pulses occur. Looking nice and improves safety if placed properly.

author: Tony van Roon
visits: 24562

This circuit was designed as an aid in parking the car near the garage wall when backing up. Proximity sensor. Simple, but effective!

author: RED Free Circuit Designs
visits: 23333

Small and interesting circuit that flashes your head lights. Built around famous NE555 timer circuit.

author:
visits: 16560

This circuit has been designed to alert the vehicle driver that he has reached the maximum fixed speed limit.

author: RED Free Circuit Designs
visits: 13521

This simple circuit can be wired into your headlight switch to provide automatic switching between high and low beam headlights when there is oncoming traffic.

author:
visits: 11949

author: RED Free Circuit Designs
visits: 11107