Smart Vehicle Headlight Brightness Controller Circuit is a cool auto system. It changes headlight brightness auto by checking outside light. It helps driver see better and safe at night or in tunnel. Circuit uses photo-transistor, potentiometer, diode, relay and audio transistor to check light and switch high and low beam easily. Circuit Working: Parts List: […]
Simple Shock Sensor Alarm Circuit
In this Simple Shock Sensor Alarm Circuit we can feel vibration or shock, which then makes loud sound with piezo buzzer. This circuit is easy to make and can be used at home, in car and in many places. It is good for security, stop theft and in feel movement. Main parts of the circuit […]
Building an FM Transmitter Circuit for Car Stereo
Building an FM Transmitter Circuit for Car Stereo is easy way to play music from phone, MP3 or Bluetooth on car FM radio. It sends sound on FM frequency and car radio catches it like normal station. Circuit is simple to use and is good for playing music or podcast in car without special stereo […]
Simple Car Headlight Timer Circuit using Transistors
Simple Car Headlight Timer Circuit using Transistors is cool design. It keeps car headlights ON for 1.5 minutes after engine is OFF. It is very useful in dark place which gives light for short time. Circuit uses easy parts like transistors, resistors, capacitor, relay and few more. These all work together for timing. This article […]
Car Reverse Horn with Musical Tone Circuit
Car Reverse Horn with Musical Tone Circuit is easy and fun way to change beep sound to nice tune. Main part of these circuit is IC UM66 which makes sweet melody. Another IC is 7805 which drop car battery voltage to 5V. Some more parts are also used and they help circuit work good and […]
Simple 12V Single Lamp Flasher Circuit
Simple 12V Single Lamp Flasher Circuit make lamp blink ON and OFF which looks cool. This circuit is simple and strong and is good for 12V car lamps. It is used in to turn signals, warning lights and fun lights. This one use BC557 transistor and IRF530 MOSFET. It works by charge and discharge capacitor […]





