Smart Vehicle Headlight Brightness Controller Circuit is a cool auto system, it changes headlight brightness auto by checking outside light and also, 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: […]
Hobby Circuits
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, as it sends sound on FM frequency and car radio catches it like normal station. Also, circuit is simple to use and is good for playing music or podcast in car without […]
Simple Car Headlight Timer Circuit using Transistors
Simple Car Headlight Timer Circuit using Transistors is cool design which keeps car headlights ON for 1.5 minutes after engine is OFF. Also, 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 and these all work together for timing. […]
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; its main part is IC UM66 which makes sweet melody. Also, the 7805 IC reduces the car battery voltage to 5V; additional components support the circuit and help it operate reliably and efficiently. Furthermore, it is […]
Car Turn Signal Circuit with Chasing Effect
Car Turn Signal Circuit with Chasing Effect is important project for electronic, in which it shows if driver turn left or right; also this circuit make lights blink one by one like in new cars. Moreover, it uses two main parts: 555 timer IC and CD 4017 counter IC. First IC1 make blinking signal and […]
3 LEDs Battery Status Indicator Circuit
To begin with, battery status circuit is very useful in electronics systems, it helps keep battery healthy and working good in devices. 3 LEDs Battery Status Indicator Circuit is simple but works well and it shows battery voltage using three lights and each LED shows different voltage. Also, we can see if battery is low, […]