Blinkekatze
Tuesday, October 10, 2023 in Art
Wild Blinkekatzen in their natural habitat What is it? Blinkekatzen are a replacement PCB for commercially available silicone LED lights. The lights usually contain a battery, some RGB LEDs and an optical diffuser in a soft cat shaped translucent …
OLED nametag
Saturday, June 03, 2023 in Art
Features Bright, sunlight readable OLED display Infinity constrast ratio Support for GIF animations WLAN AP support Web interface for management of animations Automatic brightness adjustment 8h+ runtime Links Hardware: KiCAD design files Firmware: …
Analog floppy synthesizer
Saturday, October 29, 2022 in Art
Your browser does not support the video tag. What is it? 3.5" floppy disks hold information by storing them magnetically on 80 different tracks (effectively circles) across the media. A stepper motor moves a read/write head across the media and …
RGB LED nametag
Wednesday, December 29, 2021 in Art
Your browser does not support the video tag. Hardware Specs 1x STM32F7 taking care of power management, USB and display multiplexing 1x ESP32 Pico D4 providing a web interface to build and store animations 20x HC595 shift registers for row and …
Five meter LED wall
Saturday, September 11, 2021 in Art
What is it? At the Hacken Open Air 2021 (Gifhorn, Germany) event, this 5m by 3m large LED display was built. It consists of 50 individual LED strings with 50 WS2812 LEDs each (50x50 pixels). A central Raspberry Pi feeds 3 seperate STM32F722 via …
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 …
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 …