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141 Results for "keyboard"

  • Keyboard 2.0

  • Exact for the end of the year the keyboard is now functional and is connected with the Raspi. It was a learning journey about serial connection and a looong bugfixing with the physical keyboard. Turns out that my soldering skills need improvement...
  • Keyboard board

  • # 2022-09-14 Keyboard This board holds 99 keys total, spread out across a qwerty layout (64 keys), a "function key" row (14 keys), and a combined numeric/navigation block (21 keys). Keyboard board, frontKeyboard board, back Sidebar: Oh yeah, this...
  • Installing the Keyboard

  • Today I integrated the keyboard into the frame I have constructed. The first thing I did was to remove the front most dowel and cut a notch in the side panels to accommodate the  keyboard.Now I'd like to brag that I was thinking ahead about how...
  • Mounting the Keyboard

  • I wired the keyboard up to the Raspberry Pi 4 I will be using to run the Sol-20 emulator. I did enough testing to ensure that all of the keys are working as expected. At first some of the keys were not responding, but with Dave's help I discovered I...
  • Keyboard and switches

  • The C64 mini fake keyboard is a joke. My keyboard is going to be functional. However it's easier said than done. I've looked around, in fact I spent innumerable hours browsing for a passable switch that would work fine in a mini keyboard. I don't intend...
  • Keyboard Interrupt Issues

  • The keyboard caused me a lot of trouble throughout this project.  It ended up being re-done twice!Reading a PS/2 keyboard is fairly straightforward.  Here is a snip from my Project Details page:The PS/2 protocol consists of 2 signals: CLK and...
  • Wiring the Keyboard

  • The keyboard encoder is expecting 5V while the Raspberry Pi 4 operates at 3.3V. So to overcome this I purchase a Voltage-Level Shifter Module from Amazon. I also printed a "caddy" to hold the Pi 4 in place and added a small 30 mm x 30 mm x...
  • v06x-mini with keyboard

  • The keyboard is attached via SPI, clocked at 8MHz. Pi Pico is SPI slave. Unlike most emulators that connect a PS/2 or USB keyboard, the keyboard matrix is scanned by the actual software. So each OUT to the column select port is sent over to the...
  • Phone Teardowns + Keyboard Survey

  • We have a bunch of cheap phones we’ve been tearing apart, and wanted to post a some pics. Particularly, we’ve been looking to see how they make the buttons and keypads. Teardown Pics This one is a fake Nokia. Of all the cheap phones we’ve torn apart,...
  • Keyboard adapter production - lessons learned

  • This project has had a side effect I did not expect when I started this project - I actually started selling hardware on Tindie! While I really appreciate that other people around the world are genuinely interested in what I am doing, I realized that...
  • ELLO 2M assembly including keyboard patching

  • People asked me how to assemble the keyboard. I am planning to shoot a new assembly video as soon as I can, but until then...The self-adhesive pads supplied with ELLO are mean to go on the back side of the front board (called Panel). The assembly of...
  • Raspberry Pi Pico Video and PS/2 Keyboard

  • I've pretty much completed the core library code for the VGA out and PS/2 Keyboard input handling on the Pi Pico, to be used as an A/V support chip on my JJ65C02 system and figured it was time for an update and even a video. The Pico outputs basic VGA...