Circuits designed for automotive applications.

Here you’ll find useful circuits such as:

• Automatic Light for Car: lights that turn on or off depending on ambient light or ignition status;
• Car Battery LED Indicator: a simple way to monitor your battery’s health using colored LEDs;
• Car Progressive Light Dimmer: smooth fade-in and fade-out effects for interior or dashboard lights;
• DC-DC Converter (12V to 9V): stable voltage conversion for powering small devices safely;
• LED Battery Monitor: compact and accurate voltage-level display for any 12V system.

Each circuit includes schematic diagrams, to practical use.