3.2.5 Perfect Coffee PID Master Release

New release 3.2.5 of Perfect Coffee PID

• MQTT server can now be run locally on ESP32 too.

What's Changed

• Add MQTT Broker support on ESP32 by @bviecelli in #79
• 3.2.5 by @medlor in #82

New Contributors

• @bviecelli made their first contribution in #79

Full Changelog: 3.2.4...3.2.5

3.2.4 Perfect Coffee PID Master Release

There is a new master release 3.2.4 of the "Perfect Coffee PID" software

New release 3.2.4 of Perfect Coffee PID

• Just refactorings.

Changelog

• 3.2.4:
  • Many more refactorings by aschoelzhorn. Thanks again!
    • Seperated wifi, temperature and other code to dedicated files.
    • Introduces rancilio-enums.h file and replaced some defines with enum classes.
    • Reorganized OTA (init and handle), OTA code still in "rancilio-pid.ino" because of timer stuff.
    • Separated declaration and implementation in some header/code files.
  • Part cleanup of includes.
  • Some bugfixes and refactorings by Tobias.

3.2.3 Perfect Coffee PID Master Release

There is a new release 3.2.3 of the "Perfect Coffee PID" software

New release 3.2.3 of Perfect Coffee PID

• General performance improvements.
• WIFI improvements.
• On OTA Update show special logo and progress. Thanks aschoelzhorn!
• Enable bigger status icons when ENABLE_BIG_STATUS_ICONS is set to 1 (default 0). Many thanks aschoelzhorn!
• Many code refactorings. Many thanks aschoelzhorn again!!

Changelog

• 3.2.3:
  • Feature: On OTA Update show special logo and progress. Thanks aschoelzhorn!
  • Feature: Enable bigger status icons when ENABLE_BIG_STATUS_ICONS is set to 1 (default 0). Many thanks aschoelzhorn!
  • Refactor: Code refactorings. Many thanks aschoelzhorn!
  • Fix: Wifi stability improvements.
    • Disable WiFi Power Safe.
    • Reduce WiFi retry wait times.
    • WiFi instability by adding housekeeping times.
  • Changed minimum retry timer when mqtt/blynk disconnects happen from 160s to 60s.
  • Fix: Changing MQTT settings while machine being offline is being honored again.
  • Fix: Blynk working again with latest version.
  • Added Blynk state caching.
  • Fix: Some "include" issues when arduinoIDE is used. Thanks Helge!
  • Fix: Support for Expressif v5.3.
  • Performance improvements.
  • Removed legacy grafana.

3.2.2 Perfect Coffee PID Master Release

There is a new master release 3.2.2 of the "Perfect Coffee PID" software

New release 3.2.2 of Perfect Coffee PID

• Code base refactorings. No new features. Thanks aschoelzhorn!

Changelog

• 3.2.2:
  • Refactor: Moved blynk code into own files. Thanks aschoelzhorn!
  • Refactor: Add a temperature sensor mock. Thanks aschoelzhorn!
  • Refactor: Replace state magic numbers with meaningful names. Thanks aschoelzhorn!
  • Fix: Schematic_bleeding_edge_full_control_pcb_layout_v0.7.png, was wrong at one place.

3.2.1 Perfect Coffee PID Master Release

New release 3.2.1 of Perfect Coffee PID

• Upgraded/Updated all dependencies and requirements.
• Feature: Add support for SH1106 in SPI mode. Thanks piontec!
• Feature: Add support for custom display pins (see DISPLAY_I2C_SCL, DISPLAY_I2C_SDA). Thanks piontec!

Changelog

• 3.2.1:
  • Feature: Add support for SH1106 in SPI mode. Thanks piontec!
  • Feature: Add support for custom display pins (see DISPLAY_I2C_SCL, DISPLAY_I2C_SDA). Thanks piontec!
  • Feature: Distinguish triggertype for 3way-valve and pump. Thanks piontec!
  • userConfig.h Changes:
    • Added VALVE_TRIGGERTYPE, PUMP_TRIGGERTYPE (default HIGH. Previously called TRIGGERTYPE).
    • RENAMED pinRelayVentil to pinRelayValve.
    • RENAMED pinRelayPumpe to pinRelayPump.
    • Added DISPLAY_I2C_SCL, DISPLAY_I2C_SDA (default 255).
  • Fix: SSD1306 support should also work again. Thanks piontec!
  • Added IoTMQTTPanel-perfect_coffee_pid_v3.2.0_v1.json to support the "new" scale settings.
  • Fix: Changed BREWTIME_END_DETECTION to type "bool" to improve handling of improper configuration.
  • Upgrade ZACWire to v2.0.0. Thanks Adrian/lebuni.
  • Refactored GpioCheck accordingly.
  • Updated ESP boardmanager and library dependencies to latest official version:
    • Platformio:
      • esp32: Upgrade espressif32 from v3 to v5
      • FastLED to v3.5.0
      • esp8266: Upgrade espressif8266 from v2 to v4
      • esp8266: Update to latest uMQTTBroker
    • ArduinoIDE:
      • Upgrade Boardmanager from
        • ESP32:v1.0.6 to v2.0.4
        • ESP8266:v2.7.4 to 3.0.2
      • Important: Update all manually installed libs like RemoteDebug and ZACWire (see Wiki)!

3.2.0 Perfect Coffee PID Master Release

New release 3.2.0 of Perfect Coffee PID

• Add SCALE functionality for brewing.

Changelog

• 3.2.0:
  • NEW FEATURE (ESP32 & ONLYPID=0): Add SCALE functionality for brewing based on a PR by Hoondie (Many thanks Hoondie!).
    • Rewrite of brew() function to supports stopping brewing by time or weight (see userConfig.h BREWTIME_END_DETECTION):
    • Setup guide in Wiki
      • 3D printer models:
        • 3D Scale Case made by Hoondie (Many thanks Hoondie!).
        • PerfectCoffeePid Scale Case.
    • Display shows actual weight while brewing and additionally brewStatistics/flowRate a couple of seconds after brew (all themes are supported).
    • Automatic tuning of target-weight offset to adapt to dipping effects after brew ends.
  • Refactoring und noticeable further features:
    • Implemented manual calibration feature:
      • Howto:
        • Set ENABLE_CALIBRATION_MODE=1, start machine without any weight on the scale,
          after around 20s put a known weight (which is set in SCALE_SENSOR_CALIBRATION_WEIGHT) on the scale.
          The LOG will show the calculated SCALE_SENSOR_CALIBRATION_FACTOR which has to be added to the userConfig.h .
    • Send brewStatistics to display, mqtt events and LOG: "Brew statistics: 37.36g in 29.78s (1.25g/s) with profile 1".
      • FlowRate also included in output.
      • Display shows brewStatistics after brew for a couple of seconds.
    • Use powerOff and powerUp to save energy and to reduce interrupt conflicts. HX711 is only enabled when brew is running.
    • 3rd party library for the HX711_ADC by Olav Kallhovd (https://github.com/olkal/HX711_ADC) adapted to our needs (Many thanks Olav!):
      • custom async implementation while using ISR to ...
        • reduce processing delays
        • reduce competing interrupts between TSIC, display and scale
        • no TSIC errors!
    • Auto-tare weight (async; without delay) at start of brew.
    • After brew is finished weight is measured for an additional 2 seconds (to include drops after the pump has stopped).
    • If HX711 cannot be initialized on start of brew, fallback to time-based brewing.
    • New scale settings are now tied to "Profiles":
      • Set following settings in userConfig.h / MQTT / "CONTROLS_CONFIG" / Blynk (V64 := activeBrewTimeEndDetection , V65 := activeScaleSensorWeightSetPoint):
        • BREWTIME_END_DETECTIONX: if 0, stop by time else stop by weight
        • SCALE_SENSOR_WEIGHT_SETPOINTX = weight when to stop brewing
    • Custom scaleConfigOverwrite.h
    • ArduinoIDE: Added library/HX711_ADC_fix which has to be manually copied to your arduino library path. (see wiki)
    • ArduinoIDE: Successfully compiles (in addition to Platformio).
  • ArduinoIDE: "library/RemoteDebug" minor compile fix.
  • ArduinoIDE: Add check to force esp32 board version 1.0.6.
  • brew() is only called at most every 1ms.
  • Fix: If you have an analog toggle configured for BREWING and dont turn it off before power-off,
    then brewing will no longer automatically start on power-on.
  • userConfig.h Changes:
    • BREWTIMER_MODE renamed to BREWTIME_TIMER
    • Many new defines called SCALE_SENSOR_*
    • Added BREWTIME_END_DETECTIONX
    • Added SCALE_SENSOR_WEIGHT_SETPOINTX.
    • Added SCALE_SENSOR_CALIBRATION_WEIGHT, SCALE_SENSOR_CALIBRATION_FACTOR
    • Updated circuit-diagrams to add HX711.

3.1.1 Perfect Coffee PID Master Release

New release 3.1.1 of Perfect Coffee PID

• Bugfix: Coldstart working again.

3.1.0 Perfect Coffee PID Master Release

New release 3.1.0 of Perfect Coffee PID

• Add support for up to 3 "Profiles" which can be used to quickly switch between different brew settings (eg. when different beans are used).
• Initial support for "MENU" which can be used to control settings using the display-case with buttons
• Support for Thermistor K-type with MAX6675 (Thanks to aschoelzhorn for the PR and TeraK, sailhobie for support).

Changelog

• 3.1.0:
  • NEW FEATURE: Add support for up to 3 "Profiles" which can be used to quickly switch between different brew settings (eg. when different beans are used).
    • An individual profile comprises of following settings:
      • Brew Temperature / setPoint
      • Brew Time
      • Preinfusion time and pause
      • Coldstart Temperature / startTemp
    • Profiles can be selected by any means, eg mqtt/blynk/menu/.. . The variable for this is "profile".
    • The selected profile is also shown on the display, see new setting ENABLE_PROFILE_STATUS.
    • ATTENTION: Following variable names has changed and therefore any mqtt dashboards and tools have to be adapted (eg IotMQTT/Grafana/nodered):
      • setPoint -> activeSetPoint
      • brewtime -> activeBrewTime
      • starttemp -> activeStartTemp
      • preinfusion -> activePreinfusion
      • preinfusionpause -> activePreinfusionPause
      • Hint: Changing the value of any of variables (eg using mqtt/blynk) will update the respective setting of the currently activated profile.
    • Blynk:
      • Added new virtual Pin V3 for "profile", which can be any number between 1 and 3.
      • Added Blynk Showcase.
  • NEW FEATURE: Initial support for MENU which can be used to control settings using the display-case with buttons:
    • Action "MENU" added.
    • Actions TEMP_INC and TEMP_DEC renamed to MENU_INC and MENU_DEC respectively.
    • Added new userConfig.h setting MENU_CONFIG which is used to configure menu settings.
    • Following menu operations are supported (can be extended on request):
      • SETPOINT, SETPOINTSTEAM, BREWTIME, PREINFUSION, PREINFUSION_PAUSE, PID_ON
  • NEW FEATURE: The calculation of the "total brew time" can be adjusted with the userConfig.h setting BREWTIMER_MODE.
    • 0: (default) brewtime-countdown is equal BREWTIMEX.
    • 1: brewtime-countdown is BREWTIMEX + PREINFUSIONX + PREINFUSION_PAUSEX
  • userConfig.h Changes:
    • Added:
      • ENABLE_PROFILE_STATUS
      • Renamed SETPOINT to SETPOINT1
      • Renamed BREWTIME to SETPOINT1
      • Renamed PREINFUSION to PREINFUSION1
      • Renamed PREINFUSION_PAUSE to PREINFUSION_PAUSE1
      • TEMPSENSOR (default=2)
      • SETPOINT2, SETPOINT3
      • STARTTEMP2, STARTTEMP3
      • PREINFUSION2, PREINFUSION3
      • PREINFUSION_PAUSE2, PREINFUSION_PAUSE3
      • BREWTIMER_MODE
  • Support for Thermistor K-type with MAX6675 (Thanks to aschoelzhorn for the PR and TeraK, sailhobie for support).
    • TSIC3xx is still strongly recommended to use!
  • Updated IoTMQTT Dashboard IoTMQTTPanel-perfect_coffee_pid_v3.1.0_v1.json to include Profile and Action support. Showcase.
  • Refactor and fix eeprom stuff.
  • Refactor all variables from double to float.
  • Make blynk optional on compilation.
  • Removed burst feature.
  • Fixes:
    • Fix blynk "heater output" not being shown.
    • Fix float compare function.

3.0.0 Perfect Coffee PID Master Release

New release 3.0.0 of Perfect Coffee PID

Changelog

• 3.0.0:
  • Project is getting renamed to "Perfect Coffee PID".
  • Improve temperature readings to reduce undesireable actions of the PID controller:
    • Detect outliers near setpoint and fix them automatically.
    • Read temperature every 100ms (previous 1s) and save it to TemperatureHistory for later use.
    • Implement average calculations on all temperature functions to stabilize temp readings.
    • Temporary use custom ZACwire library, which offer:
      • bitwindow auto-tuning right from the start.
      • directMode to improve outlier detection and flapping temperature in seldom cases (esp32).
      • Important: You have to manually install library/ZACwire_for_TSic (only if you are using Arduino IDE).
  • Add full support for platformio, code cleanup and fix compile warnings.
    • Force espressif8266 to Version 2 (until external libs are adapted)
  • Arduino IDE: Remove some libaries which from now on have to be installed manually, see Wiki.
  • Performance improvement:
    • controlActions are now using interrupts with an optional debounce feature (instead of polling each gpio).
  • Update ESP32 schematic to reflect recommendation to use 5v (instead of 3.3v) for the TSIC.
  • Fix:
    • DISPLAY_TEXT_STATE is working on exp8266.
    • controllerActions: Improve debouncing of analog(ADC) and digital buttons/switches.
    • Improve steaming cycle-times.
  • Remove support for DS19B20 temperature sensors.
  • Improvements in error logging.
  • UserConfig Changes:
    • Breaking Change:
      • renamed DISPLAY to DISPLAY_HARDWARE
    • Removed:
      • TEMPSENSOR
    • Added:
      • DEBOUNCE_ANALOG_GPIO / DEBOUNCE_DIGITAL_GPIO
    • Changes:
      • recommended defaults

2.8.0 Bleeding Edge Master Release

New release 2.8.0 of rancilio "bleeding-edge"

• Add support for low water detection

Changelog

• Feature: Add support to detect low water using a VL53L0X Time of Flight distance sensor. see Howto
• Helge supplied a 3d printing model for rancilio silvia's water tank lid which can be used with the VL53L0X sensor. (thanks Helge!)
• Update ZACWire to v1.3.2. (Thanks Adrian)
• UserConfig change:
  • Renamed DEBUG_FORCE_GPIO_CHECK to ENABLE_CALIBRATION_MODE.
• Fix: Show general logo when MASCHINE_TYPE is set to unknown.