For this project, we made a mechanism that flips a light switch on and off using a servo module.
This servo mechanism is connected to a wireless receiver module and is activated by a pressure sensor on a wireless transmitter circuit.
Automate your lights and make a handheld remote control with littleBits, or for all you pranksters out there, place the transmitter circuit in an unsuspecting place and trick your friends, like we did. We placed the pressure sensor on the transmitting circuit under the leg of a chair. When someone sits on the chair, the overhead lights will go off. When s/he gets up to turn the lights back on, the lights turn on again on their own… and so on. Sit back and watch hilarity ensue. To see our prank, check out this video!!!
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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, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, 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.