Meshtastic has been experiencing a bit of a renaissance lately, as the off-grid, long-range radio text messaging protocol gains a ton of new users. It’s been used to create mesh networks in cities, ...

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 ...

At mid-range settings (TX=10–18), agreement is within ~1 dB — consistent with my cable/connector losses and measurement uncertainty. Two notable discrepancies: Low TX settings (1–5): My readings are 3 ...

Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, they didn’t release a development board for the ...