Open Source Irrigation Controller Circa 2019

This code is designed for the ESP platform
First versions running on the ESP8266
Compiled in the arduino IDE and trageting LOLIN (WeMos) ESP8266/ESP32 compatible bopards.

More details on construction https://www.hackster.io/dougal/essence-of-thor-part-1-4a83a1

I/O Support for
MCP23017 (via I2C)
PCF8574 (via I2C)
LocalCPU I/O

2019-2020 Irrigation season progressing well 7 major bugs exorsised so far

09/03/2020 Uploaded stuff from Jan 2020 - Static IP address and Backup/Restore program memory
03/05/2020 Load in fixes for connection and UDP without DNS lookups.
16/05/2020 Restore and backup of users config to PC
27/09/2020 Fertigation uplink between nodes working - also two more bugs in GUI fixed
06/04/2021 Valve logging working ... Started on email alarms.
29/05/2022 Alarms working, Self reboot 2 modes working, Pressure alarms. AO valve type for always on programs
07/06/2022 Testing and debugging with actual pressure transducer, added new valve type that always runs it's program(no tempary offline)
27/06/2022 All of the above running in the feild. Endurance testing in progress....
02/10/2022 Field testing going well minor updates to pages to trak a maybe problem with WiFi. 16/10/2022 Added a automated bus scan and alarm due to interboard cable issues, emails when it looses com with an i/o device also added the ability to shut of fertigation if in ADC alarm (ie low or high pressures) May have fixed a long standing issue with web interfaces SensFooter function - time will tell.