ESP32智能能量计量器LED脉冲读取系统

ESP32 led pulse reader for energy meter

2024-01-19 00:13:07

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Summary

Enclosure for ESP32 dev board and soldered photodiode module. Can be used to count pulses from blinking leds, e.g. from energy or utility meter.

52x28mm dev board fits

Photodiode module is sold in ebay etc, find it with search term "photodiode module"

Reel about the project
https://www.instagram.com/reel/C2LC6u_tiWS/?igsh=MWVmNHF1aDlzM3Z1dQ==

Code for ESPHome

# Energy meter led read
sensor:
  - platform: pulse_counter
    pin: 15
    unit_of_measurement: 'W'
    name: energymeter_house_power
    filters:
      - multiply: 60  # (60s/1000 pulses per kWh * 1000 Wh/kWh)

    total:
      unit_of_measurement: 'kWh'
      name: energymeter_house_energy
      id: energymeter_house_energy
      accuracy_decimals: 2
      filters:
        - multiply: 0.001  # (1/1000 pulses per kWh)