-- Calibration and board data -- MPP range of FF-OpenMPPT-ESP32 v1.0 -- Vmpp_max = 23.8 -- Vmpp_min = 14.45 -- MPP range of FF-OpenMPPT-ESP32 v1.1 -- Vmpp_max = 27.2 -- Vmpp_min = 13.25 -- MPP range of FF-OpenMPPT-ESP32 v1.2 -- Vmpp_max = 25.15 -- Vmpp_min = 12.86 -- MPP range of FF-OpenMPPT-ESP32 v1.0 HP Vmpp_max = 45.2 Vmpp_min = 14.8 -- The Vcc rail of the ESP32 is the Voltage -- reference for the temperature sensor -- Measure this for your individual board Vcc = 3.045 hardware_version = "1.0HP" firmware_type = "ESP_2.0" -- Is Schottky Diode D6 (Solar input) present on board? -- Choose "false" if D6 pads are bridged, else "true" if D6 is populated. -- D6 burns some solar power and heats the board. -- At 5 Ampere Solar input current, the D6 loss amounts to 2 Watt. -- D6 makes the system safer but less efficient. -- Power rating of the board is 120 Watt Solar input (U_mpp) *without* D6 -- Power rating *with* D6 populated is 100 Watt Solar input (U_mpp) -- If D6 pads are bridged, the Solar+ connector carries power -- from the battery. In theory, this can cause a small discharge -- current at night. -- Use this efficiency modification with caution. -- Do not reverse polarity when connecting a solar module or -- short the solar module wires! D6_loaded=true