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 ...
Embedded engineer [Alberto Nunez] has put together a compact LoRa satellite telemetry ground station that fits in your hand and can be built for around $40 USD. The station receives signals from any ...
While designing an internet of things (IoT) project that also required a long radio-frequency link, it occurred to me that there are pre-wired modules already built to do that. In fact, not only do ...
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