My model uses the car's OBD-II port to connect to an Arduino microcontroller, which is programmed to display the car's speed on a 7-segment display. A fresnel lens is used to optically collimate ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

The 7 segment display connects Display VCC and 5 V, Display GND and Display GND, and Display RX and Arduino D 6 respectively. 3: Forwarding code Bwongtech / Car-HUD · GitHub ...