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July 10, 2014
about a year ago
Love these little displays! Can’t stop making clocks :)
Quick heads up, that I put together a simple library for accessing these displays via the same API regardless of the underlying protocol:
It saved me time, figured it might save time for someone else :)
Tutorial - Danger Shield Kit Landing Page
about 2 years ago
Hi, I bought Danger Kit and assembled it in a couple of hours.
Now I would like to use Danger Shield + Uno it to control a program running on Rainbowduino. I have never connected two Arduinos before, and I am a bit stuck:
Rainbowduino has two sets of 8 pins presumable for this purpose: one is male, one is female. The connections are:
It also has holes for the following pins: D3, D2, A0, A1, A2, A3, A6, A7.
I want to be able to send data from the controllers on Danger Shield, so that I can control a game on the LED matrix.
I tried sending PWM voltage and using analog inputs on Rainbowduino (and another board) – even though I was reading correct voltage, analog inputs were going off crazy between 0 and 1023 switching as I was sending AC instead of DC. I wasn’t sure whether I was supposed to connect the two duinos via a ground, and/or 5V?
How do I use the SDA/SCL or TXD/RXD on Rainbowduino, and what do I connect it to on my Danger Shield/Uno? Everything seems already taken :(
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