Robotron.info blogs about using Adafruit Feather nRF52840 Bluetooth boards to automate the power on a surveillance camera server.
This CircuitPython tutorial demonstrates how to build a battery powered Bluetooth BLE remote control to operate a BLE peripheral hosting a solenoid and a spectrally selective light detector. Two Adafruit Feather nRF52840 Express boards will be used for the BLE client and server.
Currently the only way to turn it on is by pressing the illuminated push button on the front of the case. My goal is to build a BLE peripheral that can attach to the front panel so I can turn it on remotely from outside the closet. I also want the peripheral to wirelessly report whether the server is on or off.
The Feathers are programmed in CircuitPython 5.0 alpha which has active BLE development.
See the video above, this excellent tutorial here. Also see other CircuitPython tutorials listed here.
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