The CRT will be perfect for the not-yet-revealed project he eventually has in mind for it, but since it doesn’t have a traditional RCA input, this meant a bit of hacking (while wearing rubber gloves to prevent shock) to get it working. What he found was that there is a header pin literally labeled as “video in” on the tube’s control board. Taking this at its word, he took out a Raspberry Pi Zero and wired in its “video out” signal. This actually worked the first time, displaying the Raspberry Pi boot sequence, and showing that sometimes things just work right the first time. With a little more hacking, he was also able to hook up a Raspberry Pi 3.
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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, 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.