This Simple 12V Lamp Flasher Circuit using IC LM317 is a cool project to make 12V lamp blink, as this circuit is not only for indicator or warning light but also for car or decoration light. IC LM317 usually controls the voltage but here it work like oscillator for blink and it can handle 1A, […]
Automobile Circuits
Car LED Voltmeter Circuit using IC LM324
Car LED Voltmeter Circuit using IC LM324 is useful project to check car battery voltage, here, LEDs show different voltage which is easy to see battery condition. Main part are LM324 op-amp which act like voltage checker and voltmeter measures voltage between two points. Hence, this circuit is an LED voltmeter using the IC LM324 […]
Simple DIY Battery Charger Circuit using Center Tap Transformer
Simple DIY Battery Charger Circuit using Center Tap Transformer is a useful device, it fills power in rechargeable battery. Furthermore, this article show how to make easy DIY charger using center tap transformer which is good for charging lead acid battery; also it can charge any 12V battery and even a car battery. Circuit is […]
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 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: […]
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. Also, we can build this circuit easily and use it at home, in cars and in many other places, as it improves security, helps prevent theft, and detects movement. Furthermore, main parts of the […]
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 […]