Graphical 128x64px VFD
Sunday, September 27, 2020 in Art
What is it? This adapter board provides the required voltage level conversion, anode supply and filament bias voltages to run a Noritake MN12864K graphical vacuum fluorescent display. Bad Apple Links Breadboard adapter: KiCAD design files …
FlexibleLOM PCIe adapter
Sunday, September 27, 2020 in Computing
What is it? This passive adapter PCB allows the use of HP FlexibleLOM extension cards (like 10/40 GbE network cards) in regular PCIe slots. FlexibleLOM extension cards are available used at very low prices (due to them not being PCIe compatible, …
GPIO PATA/IDE on Linux
Saturday, August 08, 2020 in Hacks
What is it? pata-gpio is a Linux kernel driver for GPIO bitbanged PATA (also known as ATA/ATAPI or IDE). Pin configuration can be set via device tree, the regular ATA framework is used. IDE Primary/Secondary device support is implemented. In use …
CMM2 PCB
Wednesday, July 29, 2020 in Retrocomputing
What is it? The Colour Maximite 2 is a hobbyist computer, mimicking the home computers of the 80s, running BASIC. Because the original PCB (and seperate STM32 devboard) were expensive and hard to obtain, we designed this machine-assembly ready PCB. …
NeonMatrix
Saturday, June 06, 2020 in Art
Your browser does not support the video tag. What is it? The NeonMatrix 8x8 matrix uses common neon indicator bulbs to display simple graphics. They can be chained and controlled directly via SPI. Operating voltage is about ~70V AC. The circuit is …
Pinebook Pro M.2 WiFi
Thursday, April 23, 2020 in Computing
What is it? The M.2 A/E key adapter enables the use of M.2 WiFi cards in the Pinebook Pro Arm64 laptop. This adapter was designed as a replacement for the available NVMe M.2 (M-key) adapter. It uses the same flat flex cable, mounting screws and …
Environmental sensor
Sunday, January 26, 2020 in IoT / Home automation
What is it? A cheap, low-cost HomeMatic-compatible temperature & humidity sensor. The design is optimized for automated assembly and does not need any manual (re-)work. Technical specs HomeMatic-compatible sensor Input voltage: 3V (2x AA or 1x …