TT056: Weitz TEC controller
TipTop 1590BB base with a ToprTECDrvr and ToprRTDADC. TECDrvr is a current source bridge, so it can drive a string of TECs in either direction, up to 2A with a compliance voltage of around 12V with a 15V power supply.
Pics:
Schematics of ToprRTDADC:
Schematics of ToprTECDrvr:
I originally used the QuickPID library, but a recent update broke something, so I went with the canonical Arduino PID.
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