#312 TheMatrix/Firecracker

A firecracker simulacrum running on the BoldportClub Matrix.

Here’s a quick video showing it in action..

Notes

I was a bit dubious about the possibility of creating a decent firecracker animation on the 24x5 Matrix display. The additional PWM settings create another dimension, so the simulacrum is perhaps not so far off the mark.

To light the firecracker, I want to use a real fire of course;-) Exposing the LM35 to a naked flame is perhaps not such a good idea .. but it is only for a moment - enough to take the temp over 35°C

Code

The Firecracker.ino sketch instantiates “Sparklies” which represent individual animation elements.

Doxygen source documentation is available here.

Construction

Credits and References

• Wire library
• AS1130 datasheet and info
• LuckyResistor/LRAS1130 - A library to control the AS1130 LED driver chip.
• LEAP#298 TheMatrix
• LM35 Datasheet
• LEAP#079 LedTemperatureDisplay - more details on using the LM35 sensor
• ..as mentioned on my blog