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BAC1MAX6675: Measurment temperature K Type Thermocouple MAX6675 by AT commands (from PC, PLC...)

connections (click to enlarge)

XLoader exsample

Termite test...

Useful accessories:  
MAX6675: - 1 - 2 - 3
All offered codes here are FREE to use! Source codes and Your special requests are available via email!
S1 switch selector for temperature display in Celsius or Fahrenheit
Download the HEX codes below, unpack and upload to the proper Arduino board (Use a free net tool for example XLoader)
1. ATmega328-16MHz (MINI,NANO,UNO...): BAC1MAX6675-m328
2. AtMega2560 (Mega(ATMEGA2560)........): BAC1MAX6675-m2560
Based on the offered AT commands, you can develop your own PC, PLC ... communication code and applications...
Avaliable AT commands (Baud 9600,8 Data bits, None Parity,1 Stop Bit): You can test the uploaded code using some free serial software such as Termite (select: Append CR):
AT - attention command (return OK)
ATI - code info
VA - reading status of all values
V0x - reading status of single value x (x=1)
Arduino code example (only 2 inputs): ACodeEx - Zip
See corresponding PC SCADA: BScada8V