Being a hacker, I naturally gravitate to junkyards, yard sales, and surplus warehouses. In addition, pursuing our local newspaper’s classified ads, Craig’s List, and Ebay often uncovers really neat items that can be turned into IoT projects. Case in point, a couple of years ago I was on Craig’s List when I ran across this ad:
So of course I picked it up and brought it home. Since we have a hard time getting our youngest out of bed in the morning, I made sense to try and hook it up to his bed.
The first order of business was to understand how the bed’s controller works. We first thought that the controller used PWM so we hooked up our Oscilloscope to the two metal wires that travel from the controller to the bed’s screw drive. We moved the controller up and down but no signal was being recorded. Sonoma then noticed that the “wire” was a hollow tube. Taking a wild guess, we blew down the pipe. Sure enough, that made the bed move.
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!
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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.