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Coming from the [[WiPhone]], it was time to play with LoRa! Stuff we have to play with * [[WiPhone]] * Two RFM9x modules with helix antennas (TBD) * [https://www.tinytronics.nl/shop/en/development-boards/microcontroller-boards/with-lora/lilygo-ttgo-lora32-868mhz-esp32 LilyGO TTGO LoRa32 868MHz ESP32] * [https://webshop.ideetron.nl/SDK4-868-SMA better antenna] ([[:File:SDK4-868-SMA_plot.jpg|plot]]) * [https://docs.openmqttgateway.com/ OpenMQTTGateway docss] * [[GitHub::https://github.com/xopr/OpenMQTTGateway|OpenMQTTGateway repo]] (for now) * Andreas Spiess' video on LoRa boards: ** [https://youtu.be/CJNq2I_PDHQ?t=452 TTGo board properties]: emits at 9dBm ** [https://youtu.be/CJNq2I_PDHQ?t=710 antenna properties]: resonance frequency at 780MHz, ~5dB loss (VSWR>=3.3) [[Category:LoRa]]
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