There's this Chinese company named Heltec, and they make a cool little development board that has an Espressif ESP32S3 (which has WiFi and Bluetooth), a 128x64 pixel OLED display and an SX1262 863-928 ...
Temperature is measured every 15 minutes and broadcast via a LoRa transceiver. Sensor node hardware: BlueDot TMP117 sensor board (no longer available). Use a better alternative: Adafruit TMP117 ...
While searching AliExpress, I found the WiFi LoRa 32 (V4) shell set, another ESP32-S3-based off-grid LoRa/Meshtastic communicator designed for long-range wireless applications. Compared to devices ...