Simple DIY Battery Charger Circuit using Center Tap Transformer is a useful device. It fills power in rechargeable battery. This article show how to make easy DIY charger using center tap transformer which is good for charging lead acid battery. It can charge any 12V battery and even a car battery. Circuit is simple and […]
Smart Vehicle Headlight Brightness Controller Circuit
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 […]