Electronics

Electronics

Πέμπτη, 4 Φεβρουαρίου 2016

Firework Igniter

This project is based on great Scott's project from instructables. My basic difference is that I use an arduino mini clone which costs 2-3 $ while Scott uses an Atmega chip individually with the components required (crystal,capacitors,voltage regulator). I found it more easy and compact to use the clone. The whole trick is to send an amount of current to the resistors so they can burn, this command will be sent with our mobile phone, while the bluetooth module will receive and will energise the right transistor. Scott also had a voltage comparator which is being connected to analog pin 0 (A0) so that if the program see we have less than 5v and it will stop. Make sure to have the bluetooth module disconnected when you upload the program to arduino, also by reprogramming the app you can add more outputs, so more explosives can be connected!
The code and the app can be found here :
https://www.dropbox.com/sh/3ygdquejq10xg42/AACNF-hc46Oghhfn9L9Sq-gQa?dl=0

If you want you can visit : http://appinventor.mit.edu/explore/
and modify the app so that more fireworks can be connected!











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