Digistump Forums
The Digispark => Digispark (Original) Support => Topic started by: arduinoob on May 24, 2016, 01:31:29 pm
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First of all: hello everyone! It's nice to be here. I'm an enthusiast trying stuff with arduino and digispark.
Here is my issue:
I wanted to make a thermocouple reader and display.
I have a max6675 working with the k-type thermocouple and a max7219 working with a 4-digit seven-segment display.
I have tested it on an arduino uno, and no problems there, but I wanted to reduce size so I turned to digispark.
Both max chips use 3 pins each (D,clk,cs). And you can see where my headaches begin.
The digispark has 6 digital pins so I thought I would be able to make it work. After all, the code is light (about 50% of the digispark memory) and I had tested it to work.
However I cannot get it to work. I manage to get the display running with pins p0 p1 and p2 and also in another configuration (p0,p1,p3). The max6675 in the other pins. But I get only 000 reading.
I have tried several physical configurations of the pins to no avail. I am assuming the issue lies with pin p5 because it's the reset pin and hasvoltage and current limitations.
My question is, is this a lost cause or can I actually get them to work? And if it is possible, do you have any suggestions?
Thank u for taking the time of reading this!
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kind of old now, use p5 as an input?