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Shelly Plus PM Mini

Shelly Plus PM Mini

Device Type: sensor
Electrical Standard: euukus
Board: esp32
Difficulty: Soldering required, 4/5

This is effectively a Shelly Plus 1PM Mini, but without the relay and the switch.

GPIO Pinout

PinFunction
GPI03NTC
GPI06BL0942 TX
GPI07BL0942 RX

Serial Pinout

The UART Pinout is the same as the Shelly Plus 1PM Mini.

Shelly Plus 1PM Mini

Basic Configuration

substitutions:
device_name: "Shelly Plus PM Mini"
esphome:
name: spare-mini
friendly_name: "Shelly Plus PM Mini"
esp32:
board: esp32-c3-devkitm-1
framework:
type: esp-idf
version: recommended
sdkconfig_options:
COMPILER_OPTIMIZATION_SIZE: y
advanced:
ignore_efuse_mac_crc: false
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
ap:
ssid: "$(device_name) Fallback Hotspot"
password: !secret wifi_password
logger:
api:
encryption:
key: !secret api_encryption_key
ota:
password: !secret ota_password
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_bus
voltage:
name: 'Voltage'
current:
name: 'Current'
power:
name: 'Power'
frequency:
name: "Frequency"
accuracy_decimals: 2
update_interval: 5s
uart:
id: uart_bus
tx_pin: GPIO6
rx_pin: GPIO7
baud_rate: 9600
stop_bits: 1
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