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NEW GUIDE: John Park’s BLE Light Switch w Feather nRF52840 in CircuitPython @adafruit @johnedgarpark #adafruit

The BLE Light Switch with Feather nRF52840 and Crickit Learn Guide is live!

Build your own Bluetooth, remote-controlled robotic light switch to turn on and off the lights! Using CircuitPython running on the Feather nRF52840 Express and Crickit FeatherWing to flip the switch with a servo motor, you can avoid all of the complexities and dangers of high voltage mains wiring!

The 3D printed actuator, mount, and case makes it reliable and tidy. And the Adafruit Bluefruit app running on your iOS or Android device makes it fun and easy!


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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