willhew:
Hi all, I am building a Jurassic Park 3 pinball. Is arduino a suitable thing to use for this? It is a fullsize pinball machine.Thanks,
Will
willhew:
I plan to use the chipKIT max32 to run the main machine, switches, bumpers etc.
Twenty posts before you tell us you aren't using an Arduino.
They are extremely similar, and I am using another processor for the DMD which I need the most help for, the processor for the screen is an arduino
willhew:
Hi, I'm still going for the option of handmaking the DMD, how many shift registers can I use before the signal degrades, I would use rows of 4 down 128 across or vice versa (32 registers down, 16 across) will the signal degrade? I want to use a seperate arduino for the display, what is the smallest I can use. I would use a serial output from the main CPU to the DMD CPU which would use built in commands to detect, eg. It detects a three so it uses the assigned bitmap.Will this work,
Will
You're running digital signals and with serial shift registers each one can serve to connect the next one, the signal re-originates at each chip. That's with 4 Arduino pins and lots of data out through SPI to run the whole show.
Power distro will be a concern and that will be different if you multiplex (limited leds can be ON at the same time) vs one-register-pin-to-led (all leds can be ON at once). Multiplexing cuts the number of shift registers required significantly. Charlieplexing can cut the number even more, but the wiring will be a maze in itself. All of those can be run from serial data on a daisy-chained SPI bus at cost of 4 MCU pins.
So I am still unsure, can someone tell me will it be easier to wire a 6 pin pre made DMD or to make my own?
Will