Connecting this circuit to the battery of your vehicle, you will always know at a glance the approximate voltage available. An indication of battery voltage is useful to the motorist for monitoring the battery's capacity... [more]
circuit from:http://www.extremecircuits.net/2009/08/battery-voltage-indicator-circuit.html
Going camping nowadays involves taking lots of electronic equipment whether for day to day running or for fun and entertainment. Most of the time a charged lead acid battery and a power inverter would be... [more]
circuit from:http://www.extremecircuits.net/2010/05/car-and-motorcycle-battery-tester.html
The circuit is based around the LM324 low power opamp which draws around 3mA of current, so it won't bother the battery if left connected for extended periods. [more]
This astonishingly simple circuit allows one or two powerful 12V 21W car bulbs to be driven in flashing mode by means of a power MosFet. Devices of this kind are particularly suited for road, traffic... [more]
circuit from:http://www.extremecircuits.net/2009/07/car-bulb-flasher.html
For several years now, a rear fog lamp has been mandatory for trailers and caravans in order to improve visibility under foggy conditions. When this fog lamp is switched on, the fog lamp of the... [more]
circuit from:http://www.extremecircuits.net/2010/05/fog-lamp-sensor-circuit.html
In most countries it is now mandatory or at least recommended to have a rear fog light on a trailer with the additional requirement that, when the trailer is coupled to the car, the rear... [more]
circuit from:http://www.extremecircuits.net/2010/05/fog-lamp-switch-circuit.html
These two headlight reminder circuits are easy to install and operate on the KISS (Keep It Simple Stupid) principle. The simple circuit involves adding just a 12V piezo buzzer between the lights circuit and a... [more]
circuit from:http://www.extremecircuits.net/2010/05/simple-headlight-reminders.html
LED Bike Light Circuit Project [more]
circuit from:http://www.extremecircuits.net/2010/05/led-bike-light-circuit-project.html
This circuit automatically turns a motor cycle's headlight on and off, independently of both the light and ignition switches, provided the battery is fully charged. The first stage uses the 22O resistor and ZD1 to... [more]
circuit from:http://www.extremecircuits.net/2010/01/motor-bike-headlight-controller-circuit.html
This device is a simple timer, allowing to keep on the headlights of your vehicle for about 1min. and 30sec., e.g. when accessing some dark place, without the necessity of coming back to switch-off the... [more]
circuit from:http://www.extremecircuits.net/2010/01/car-headlights-timer-circuit-schematic.html