Skip to main content
Device Type:relay
Electrical Standard:ukuseu
Board:esp32
Difficulty:Soldering required (4/5)

Shelly 1PM Mini Gen3

Generation 3 of Shelly Mini. With Powermeter, and Relay

Serial Pinout​

PinColour
ResetBrown
3v3Red
RXBlue
TXYellow
BootSELPurple
GNDBlack

The UART Pinout is the same as other Shelly Plus Mini.

GPIO Pinout​

PinFunction
GPIO0LED
GPIO1Button
GPIO3NTC
GPIO5Relay
GPIO6BL0942 TX
GPIO7BL0942 RX
GPIO10Switch

Basic Configuration​

esphome:
  name: "sehlly-1pm-mini-gen3"
  friendly_name: "Shelly 1PM Mini Gen3"

esp32:
  board: esp32-c3-devkitm-1
  flash_size: 8MB
  framework:
    type: esp-idf
    version: recommended
    sdkconfig_options:
      COMPILER_OPTIMIZATION_SIZE: y

wifi:
  ap:

logger:

api:

ota:

time:
  - platform: homeassistant

captive_portal:

sensor:
  - platform: ntc
    sensor: temp_resistance_reading
    name: "Temperature"
    unit_of_measurement: "°C"
    accuracy_decimals: 1
    icon: "mdi:thermometer"
    calibration:
      b_constant: 3350
      reference_resistance: 10kOhm
      reference_temperature: 298.15K
  - platform: resistance
    id: temp_resistance_reading
    sensor: temp_analog_reading
    configuration: DOWNSTREAM
    resistor: 10kOhm
  - platform: adc
    id: temp_analog_reading
    pin: GPIO3
    attenuation: 12db

  - platform: bl0942
    uart_id: uart_0
    voltage:
      name: "Voltage"
      id: bvoltage
      icon: mdi:alpha-v-circle-outline
      device_class: voltage
    current:
      name: "Current"
      id: bcurrent
      icon: mdi:alpha-a-circle-outline
      device_class: current
    power:
      name: "Power"
      id: bpower
      icon: mdi:transmission-tower
      device_class: power
    energy:
      name: "Energy"
      id: benergy
      icon: mdi:lightning-bolt
      device_class: energy
    frequency:
      name: "Frequency"
      id: bfreq
      accuracy_decimals: 2
      icon: mdi:cosine-wave
      device_class: frequency
    update_interval: 5s

uart:
  id: uart_0
  tx_pin: GPIO6
  rx_pin: GPIO7
  baud_rate: 9600
  stop_bits: 1

status_led:
  pin:
    number: 0
    inverted: true

output:
  - platform: gpio
    id: "relay_output"
    pin: 5

switch:
  - platform: output
    id: "relay"
    name: "Relay"
    output: "relay_output"

binary_sensor:
  - platform: gpio
    name: "Switch"
    pin: 10
    on_press:
      then:
        - switch.toggle: "relay"
    filters:
      - delayed_on_off: 50ms

  - platform: gpio
    name: "Button"
    pin:
      number: 1
      inverted: yes
      mode:
        input: true
        pullup: true