Hacked Gadgets Forum

September 27, 2008

DIY Firework Ignition System

at 9:17 am. Filed under Complex Hacks, DIY Hacks, Electronic Hacks

 

Want to impress some people at your next big event? You could make your own fireworks controller and put on a big show for them! This looks like a fun but potentially dangerous project…

"At the heart of my firework ignition system is an SX48 running at 50 MHz. I was able to make full use of the SX’s 36 IO pins. Thirty lines are dedicated to the 30 channels. Two lines connect to a MAX233 chip for serial port control. Another line is connected to a 7805 (TO-92) which monitors the state of the arming key. The remaining 3 lines are used to communicate with the PIC A/D converter via an SPI interface. The system was built with cost as an important factor. At $10 the SX48 Proto board was an easy choice with its incorporated 5V regulator, led and all the difficult surface mount soldering already done for me. I also designed 2 pc boards using the freeware version of Cadsoft’s Eagle. The interface board connects the SX48 Proto board and contains the MAX233 chip, A/D converter and 30 LEDs to represent the state of each of the 30 channels. The driver board contains the transistor circuits for 10 channels. There are 3 driver boards in the system. Once the boards were designed I printed the design onto glossy magazine paper. I then transferred the toner from the paper to the 1 oz copper clad boards using an iron and etched the boards using ferric chloride. I drilled out the through holes and vias on my drill press and mounted all the components."

 


 

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4 Responses to “DIY Firework Ignition System”

  1. Pyro DIY - Fireworks Ignition Control System using Parallax SX48! | zedomax.com - The DIY, HOWTO, Hacks, Gadgets, and Tech Blog! Says:

    […] hackedgadgets, DIY Page 5v regulator, A+Featured DIYs, cadsoft, Circuits, Computer, Consumer, Cool, Design, […]

  2. Make your own Fireworks - Hacked Gadgets - DIY Tech Blog Says:

    […] taken if you decide to roll your own. If you are going to make your own fireworks you might want to build your own ignition system for your fireworks show. This behind the scenes peek at some large fireworks shows is quite amazing […]

  3. Make your own Fireworks Says:

    […] taken if you decide to roll your own. If you are going to make your own fireworks you might want to build your own ignition system for your fireworks show. This behind the scenes peek at some large fireworks shows is quite amazing […]

  4. kevin Says:

    hay seller i wish to buy the parts and built a fireworks system i by home made can you help me please and guide me how can i make this dream comes true

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