Thanks for the reply, i'll have a look over pySerial library. The current code i'm using on the arduino is as follows: #include "max6675.h" int ktcSO = 8; int ktcCS = 9; int ktcCLK = 10; MAX6675 ktc(ktcCLK, ktcCS, ktcSO); void setup() { Serial.begin(9600); // give the MAX a little time to settle del...