I wanted to control the light switch in my bedroom without having to get out of bed, so I wanted to be able to control it from my phone. I had a few extra constraints, I wanted to be able to control it from any device easily, I wanted to be able to use the light switch as normal and I couldn’t make much modification to the hardware as I rent the apartment.
I decided to use a Raspberry Pi to control a servo motor which would move the switch. The Raspberry Pi would run a web server that I could access while on the local network. Links on the website on this server would allow me to turn the switch on and off. By de-energizing the servo between switching I could also still use the lightswitch as normal.
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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