SF8xxx-controller 1.3

• Added function to get PID coefficients
• Bug fixes

SF8xxx-controller 1.2

• Load defaults from file for faster setup
• Driver shut-off in case of TEC spontaneously powering down
• Bug fixes on exit

SF8xxx-controller 1.1

No arbitrary ignore external internal interlock whatever; interlock must be shorted for TEC and driver operation. No negative numbers.
Bug fixes:

• Fixed attempt to close devices which had failed to open
• Fixed inaccurate TEC status reporting such as reporting powered TEC despite interlock being open

SF8xxx-controller 1.0

No way to ignore interlock.
No arbitrary internal/external enable.
No negative numbers.