Bluetooth Bicycle Light System

Want your bicycle look like a car? This light system has turn lights and red flashlight, so cars can see you when it's dark. Also, it has it's own companion Android app.

Step 1: What You Need.

HC-05 Bluetooth module

Some Red and White Leds

Jumper wires

Arduino Uno

Plastic box

9v Battery

Bicycle

Rubber bands

Glue

Step 2: Wiring.

HC05:

VCC - VCC

GND - GND

RX - D11

TX - D10

Left turn light:

+ D8

- GND

Right turn light:

+ D12

- GND

Red flashlight:

+ D9

- GND

Step 3: Upload the Code

Step 4: Install Companion App.

Pair your phone with hc05 module. Then install attached app by scanning qr code or downloading apk.

Then launch companion app and tap "Device" button. Select your arduino or hc05 from list.

Then tap on arrows and triangles. Ok, just test. :)

Step 5: Attach to Bicycle.

Now using rubber bands and glue attach system to bicycle.