Inside every plastic-chassis device there’s a wealth of exploration and sometimes head-scratching awe awaiting you. Now what’s really crazy about this VoIP telephone is that it’s only from 2011…yet seems so ancient. I mean the iPhone 4 was already out by then, which really dates this tech. Nevertheless you get what you pay for and I always open up old electronics to not only inspect them but possibly to harvest them! I save pushbuttons and toroid core inductors – and a phone like this contain both! And then you sometimes stumble upon unique design choices like the serpentine traces surrounding the Samsung SDRAM in the image below – possibly to make the length of all the traces uniform or within a specified range? Weird! Always fun finding things like that in teardowns!
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.
Have an amazing project to share? The Electronics Show and Tell with Google Hangouts On-Air is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
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