Detonate your Fire Crackers with Mobile Phone

Parts:

1. 2000mha 3.7V battery
2. 600 mha 5v battery
3. jumper wire
4. coil 0.3 ~ 0.5 copper wire
5. DC to AC Relay module
6. hc-05 Bluetooth Module
7. arduino pro mini, UNO or arduino nano

you can fix your hardware components using the diagram

i recommend this app for communicate signals to the Bluetooth module, after install the application customize it A button to value to 1 and B to 0

Good Luck !

Visit http:https://www.pasan.ga/ Twitter : https://twitter.com/PasanLaksitha