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@ -288,21 +288,21 @@ Ok, I think that's enough for this appendix, this is a controller page, and not
{-Overall, your system with sensors positions will look like at drawing below. Refrigerators (heat pumps) are very simple devices. -}
<img src="./m_HeatPump_scheme2.png" width="500"><br><br>
## Appendix D: Firmware options and fine tunings
## Appendix D: Firmware options and fine-tuning
QA tests, uncomment to enable
QA tests, uncomment to enable.
```c
//#define SELFTEST_RELAYS_LEDS_SPEAKER //speaker and relays QA test, uncomment to enable
//#define SELFTEST_EEV //EEV QA test, uncomment to enable
//#define SELFTEST_T_SENSORS //temperature sensors QA test, uncomment to enable
//#define SELFTEST_RELAYS_LEDS_SPEAKER //speaker and relays QA test, uncomment to enable
//#define SELFTEST_EEV //EEV QA test, uncomment to enable
//#define SELFTEST_T_SENSORS //temperature sensors QA test, uncomment to enable
```
Communication protocol with external world, choose one
Communication protocol with an external world. Choose one.
```c
//#define RS485_JSON 1 //json, external systems integration
//#define RS485_HUMAN 2 //RS485 is used in the same way as the local console, warning: Use only if 2 devices (server and this controller) are connected to the same RS485 line
#define RS485_MODBUS 3 //default, Modbus via RS485, connection to the display (both sensor or 1602, see https://gitlab.com/valden/) or connection to any other MODBUS application or device
//#define RS485_JSON 1 //JSON, external systems integration
//#define RS485_HUMAN 2 //RS485 is used in the same way as the local console, warning: Use only if 2 devices (server and this controller) connected to the same RS485 line
#define RS485_MODBUS 3 //default, MODBUS via RS485, connection to the display (both sensor or 1602, see https://gitlab.com/valden/) or connection to any other MODBUS application or device
```
System type, comment both if HP with EEV