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💬 LoRa ESP32 Low Power Lerning Board
OpenHardware.io • 8 May 2019, 08:49 • openhardware.io 8 May 2019, 08:49 -
Siren sounds with 555 timer and 5v Buzzer
Hardware • 24 Apr 2016, 08:09 • Samuel235 24 Apr 2016, 08:09 -
Multisensor
OpenHardware.io • 28 Mar 2016, 18:31 • openhardware.io 23 Apr 2016, 14:56