Adults only
Fitting it to a car means car wiring.
Not for children. Build at your own risk.
Build and test it on the bench. In a car, use a proper 12V-to-5V converter, a fuse and a qualified person. Always check your mirrors too.
Strictly follow the description given with this video.
What is in the kit
- Nano microcontroller board× 1 · ₹345
- Ultrasonic distance sensor× 1 · ₹80
- 3-colour LED bar module× 1
- Active buzzer× 1 · ₹17
- USB 5V adapter + cable× 1