ESP32-Paxcounter
Wifi & BLE driven passenger flow metering with cheap ESP32 boards
...Data can either be stored on a local SD-card, transferred to the cloud using LoRaWAN network or MQTT over TCP/IP, or transmitted to localhost using serial (SPI) interface. LED Matrix display (similar to this 64x16 model, can be ordered on Aliexpress). SD-card (see section SD-card here) for logging pax data.