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Paxcounter (Esp32 Board)

This page has not been fully updated to represent the latest state of the Helium Network following the migration to Solana on April 18, 2023.

Paxcounter (ESP32 Board)

Paxcounter is a ESP32 based device to meter pax flows in realtime




* supports microSD-card


Depending on board hardware following features are supported:

  • LoRaWAN communication, supporting various payload formats (see enclosed .js converters)
  • MQTT communication via TCP/IP and Ethernet interface (note: payload transmitted over MQTT will be base64 encoded)
  • SPI serial communication to a local host
  • LED (shows power & status)
  • OLED Display (shows detailed status)
  • RGB LED (shows colorized status)
  • Button (short press: flip display page / long press: send alarm message)
  • Battery voltage monitoring (analog read / AXP192 / IP5306)
  • GPS (Generic serial NMEA, or Quectel L76 I2C)
  • Environmental sensors (Bosch BMP180/BME280/BME680 I2C; SDS011 serial)
  • Real Time Clock (Maxim DS3231 I2C)
  • IF482 (serial) and DCF77 (gpio) time telegram generator
  • Switch external power/battery
  • LED Matrix display (similar to this 64x16 model, can be ordered on Aliexpress
  • SD-card for logging pax data