ESP32-PaxCounter/docs/display-led.md

Display

If you're using a device with OLED display, or if you add such one to the I2C bus, the device shows live data on the display. You can flip display pages showing

• recent count of pax
• histogram
• GPS data
• BME sensor data
• time of day
• blank page

by pressing the button of the device.

LED blink pattern

Mono color LED:

• Single Flash (50ms): seen a new Wifi or BLE device
• Quick blink (20ms on each 1/5 second): joining LoRaWAN network in progress or pending
• Small blink (10ms on each 1/2 second): LoRaWAN data transmit in progress or pending
• Long blink (200ms on each 2 seconds): LoRaWAN stack error

RGB LED:

• Green: seen a new Wifi device
• Magenta: seen a new BLE device
• Yellow: joining LoRaWAN network in progress or pending
• Pink: LORAWAN MAC transmit in progress
• Blue: LoRaWAN data transmit in progress or pending
• Red: LoRaWAN stack errors