This completely open-source LTE shield uses the latest and greatest CAT-M NB-IoT technology optimized for low-power IoT devices!
by Timothy Woo
A quilted fabric clock with NeoPixels, that tells time using an Arduino Uno!
Project showcase by Chris And Jessica Hogan
Long-range wireless sensor based on Whisper Node capable of running for over a year on a single CR2032, transmitting data every 60 seconds.
Project showcase by Talk2
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