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MHI-AC-Ctrl by absalom-muc

v2.2 (February 2021)

  • PCB layout update to v2.2 allows to plug-in MHI-AC-Ctrl directly into the AC without using a cable

v2.03 (July 2020)

  • Functionality for POWERON_WHEN_CHANGING_MODE improved in MHI-AC-Ctrl.ino
  • WiFi mode restricted to STA (no more AP) in support.cpp

v2.02 (June 2020)

  • Functionality for POWERON_WHEN_CHANGING_MODE enhanced, the according #define shifted to support.h

v2.01 (June 2020)

  • No functional changes
  • Further reduction of memory usage
  • Compiler warnings removed
  • set-mechanism reworked
  • SCK by SCK_PIN replaced according to pull request 19
  • Shift void MeasureFrequency() from support.cpp to MHI-AC-Ctrl-core.cpp

v2.0 (June 2020)

  • code refactored to allow simplified adaption for other frameworks (e.g. Tasmota, Home Assistant), main changes
    • MHI-AC-Ctrl-core separated according to Issue #13
    • Changeable defs for all topics and payload according to this Pull request
  • Option added to switch on the AC when the mode is changed according to Issue #14
  • Added operating data THO-R1, THO-R2, THO-R3, THO-R1 and TD added
  • Handling for operating data "PROTECTION-No" and "CT" corrected
  • Output of the frame raw data is no longer supported
  • MQTT.md replaced by SW-Configuration.md

v1.4 (April 2020)

  • Vanes MQTT status corrected
  • Frequency measurement limits adapted, ESP is halted only when there is a toggle on MISO detected, results of the measurement will be published via MQTT
  • some operating data added (MQTT path changed)
  • error operating data added
  • reset via MQTT for ESP8266 added
  • support of an external DS18x20

v1.3 (March 2020)

  • MHI-AC-Ctrl.h added
  • Support of Mitsubishi's ZSK series by acceptance of additionally 0x6d as the first MOSI signature byte (SB0) according to this issue.
  • MQTT authentication support added
  • AC operating data are supported
  • Outdoor temperature MQTT topic is shifted to operating data
  • Frequency measurement of the signals to check correct connection of MHI-AC-Ctrl board to AC
  • MQTT topic connection values changed from false/true to 0/1 to be aligned with the documentation

v1.2 (January 2020)

  • Mode setting corrected
  • Vanes is now only published if DB0[7]=1 or DB1[7]=1, else last vanes change was via IR-RC (so not visible via SPI)
  • Options for vanes MQTT values adapted, it is now 1,2,3,4,Swing (before it was 1..5)
  • Data types of some variables adapted
  • MQTT status will be published after broker was down
  • Raw data publishing commented out to reduce the broker load (worst case 20/s)
  • Remove leading space characters for MQTT room and outdoor temperature
  • MQTT topic Runtime removed

v1.1 (December 2019)

  • Error code (DB4) added OTA is now also working when waiting for a MQTT connection

v1.0 (December 2019)

  • initial