ESPHome YAML for Orcon MV using @hubertjanhickinson's PCB

orcon.yaml

# Be sure to check the revisions if necessary.
# Last update 2022-08-14.

esphome:
  name: orconmv
  platform: ESP8266
  board: d1_mini

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_pass

  # Fallback hotspot
  ap:
    ssid: "Orcon MV Fallback"
    password: !secret wifi_pass

captive_portal:

logger:

api:

ota:

# Pinout
# D0 - DHT11
# D1 - PWM in (requested speed)
# D2 - Pulse per revolution (tachometer)
#
# D6 - PWM out (set speed)
# D8 - Relay


sensor:

  - platform: dht
    pin: D0
    temperature:
      name: "Orcon Temperature"
    humidity:
      name: "Orcon Humidity"
    update_interval: 60s

  - platform: pulse_counter
    pin: D2
    name: Orcon Tachometer
    id: orcon_mv_tachometer
    update_interval: 5s
    accuracy_decimals: 0
    internal_filter: 250us
    unit_of_measurement: rpm

  - platform: duty_cycle
    name: "Orcon MV Requested speed"
    id: orcon_mv_requested_speed
    internal: true
    unit_of_measurement: "%"
    accuracy_decimals: 0
    pin:
      number: D1
      mode: INPUT_PULLUP
      inverted: no
    update_interval: 20s
    filters:
      lambda: "return int(x);"

    on_value:
      - lambda: |-
            // Hacky way to trigger the original code instead of duplicating.
            if (id(orcon).state) {
                auto call = id(orcon).turn_on();
                call.set_speed(id(orcon).speed);
                call.perform();
            }

output:
  - platform: esp8266_pwm
    pin: D6
    frequency: 1000 Hz
    id: orcon_mv_pwm_out
    inverted: true

  - platform: template
    id: dummy
    type: float
    write_action:
      - logger.log: "Something was written to dummy."


fan:
  - name: "Orcon"
    id: "orcon"
    icon: "mdi:hvac"
    platform: speed  # sliding output
    output: dummy

    restore_mode: ALWAYS_ON

    on_turn_on:
      - logger.log: "Turning on Orcon"
    on_turn_off:
      - logger.log: "Turning off Orcon"
      - lambda: "id(orcon).speed = 1;"
    on_speed_set:
      - logger.log: "Speed changed."
      - lambda: |-

            // Set a little margin so we don't keep toggling the relay if
            // the requested and set speeds are very similar.
            int margin = 5;

            // Contains requested speed by the machine (0-100)
            int req = int(id(orcon_mv_requested_speed).state);
            // Contains requested speed by the user (0-100)
            int now = int(id(orcon).speed);
    
            // ESP_LOGD("req", "%d", req);
            // ESP_LOGD("now", "%d", now);

            if (now > (req - margin)) {
                id(orcon_mv_control_relay).turn_on();

                id(orcon_mv_pwm_out).set_level(
                    float(now / 100.0)
                );

            } else {
                id(orcon_mv_control_relay).turn_off();
                id(orcon_mv_pwm_out).set_level(0.0);
            }

switch:
  - platform: gpio
    id: orcon_mv_control_relay
    internal: true
    name: "Orcon MV Control relay"
    pin:
      number: D8
      inverted: False

  - platform: restart
    name: "Orcon MV ESPHome Restart"