With the BlueDisplay library you create the GUI for your application, e.g. Graphics, Text, Buttons, Sliders and Charts on the Arduino itself. No Android programming required! The Arduino is connected ...
The LilyGo TWatch Ultra can be purchased from LilyGo here. The US version uses the 915mhz model. LoRa radio — powers the SX1262 on/off and shows live stats: node ID, frequency, bandwidth, RSSI, ...
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