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by awootton
Wed Sep 18, 2013 2:17 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MAX31855 Thermocouple driver
Replies: 43
Views: 24711

Re: MAX31855 Thermocouple driver

I have had it plugged into the SPI0 of the Quick2Wire interface board and also tried the SPI1 port. I'm using the cable as supplied by SK Pang for the project outlined here: http://www.skpang.co.uk/blog/archives/886
regards, Andrew
by awootton
Wed Sep 18, 2013 1:14 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MAX31855 Thermocouple driver
Replies: 43
Views: 24711

Re: MAX31855 Thermocouple driver

I got it from here:-
http://www.skpang.co.uk/catalog/quick2w ... -1170.html

and the company website:-
http://quick2wire.com/products/quick2wi ... board-kit/

thanks for your input, Andrew
by awootton
Tue Sep 17, 2013 3:01 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MAX31855 Thermocouple driver
Replies: 43
Views: 24711

Re: MAX31855 Thermocouple driver

its the Quick2Wire board that I assembled from a kit - which is why I have been a bit suspicious that I might have a dry solder joint
by awootton
Tue Sep 17, 2013 2:47 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MAX31855 Thermocouple driver
Replies: 43
Views: 24711

Re: MAX31855 Thermocouple driver

thanks heaps for the prompt response - I've made progress, nearly there(!) - I have run the "basic use" program which I see calls the max31855 module and passes the pins. With the pins suggested in the readme (24,23,22) I still get "No Connection" Changing to pins (12,11,10) I get a response of 32 (...
by awootton
Tue Sep 17, 2013 12:00 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MAX31855 Thermocouple driver
Replies: 43
Views: 24711

Re: MAX31855 Thermocouple driver

Apologies for my rudimentary python knowledge. I'm trying to work out whether I have a hardware or software problem. test_max31855.py completes with "Ran 2 tests in 0.011s OK" message max31855.py gives "tc: Error: No Connection and rj: 31.8875" (x4) I don't get the messages with all the 0s and 1s as...

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