Car homemade anti rear end device, using the acceleration sensor, 32 ultra bright LED lights

In the community a hands-on riders produced a set of anti collision prevention device for rear end accident, with 32 ultra bright LED lamp.

The acceleration sensor installed in the car, you can sense the acceleration of the vehicle, that is to say that the driver is able to gently take a brake or emergency brake. Then the proportion of LED lamp is installed on the rear windshield under the light, suggesting that the car driver, the driver with the brakes gently say, LED lamp is lit 1/4, slightly 1/2, more 3/4, it is on the emergency brake.

And when the lights are flashing LED lights, can remind the driver to pay attention to the car.

Installation method: use double-sided adhesive to LED lights and rear end of the anti stick on the back windshield of the platform. Connect the power cord to the cigarette lighter plug. Read the acceleration value and direction of the vehicle in the central rearview mirror, LED lights for the rear car driver reference.

Full set of components

LED lamp control IC, 16 channel constant current control

32 super bright LED

Add shade

Three output digital accelerometer

51 Series MCU

The front shows the values of longitudinal acceleration and lateral acceleration. 4 LED indicate acceleration direction

Assembly completed

Source: xcar