Henner Zeller

rpi-rgb-led-matrix. Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO

timg. A terminal image and video viewer.

gmrender-resurrect. Resource efficient UPnP/DLNA renderer, optimal for Raspberry Pi, CuBox or a general MediaServer. Fork of GMediaRenderer to add some features to make it usable.

txtempus. A DCF77, WWVB, JJY and MSF clock LF-band signal transmitter using the Raspberry Pi

ldgraphy. Simple Laser Direct Lithography / Laser Direct Imaging for PCB manufacturing

flaschen-taschen. Noisebridge Flaschen Taschen display

rpi-gpio-dma-demo. Performance writing to GPIO with CPU and DMA on the Raspberry Pi

rpi-matrix-pixelpusher. PixelPusher protocol for LED matrix.

beagleg. G-code interpreter and stepmotor controller for crazy fast coordinated moves of up to 8 steppers. Uses the Programmable Realtime Unit (PRU) of the Beaglebone.

augenmass. Measure relative sizes on background image.

upnp-display. Display state of UPnP/DNLA renderer in the network with a 16x2 LCD display (or 24x2, 40x2 ..) connected to the Raspberry Pi. Unicode support (UTF-8).

gcode-cli. Simple command line tool to send gcode to serial 3D printer/CNC machine.

trs80-100-schematic. A transcript of the TRS80 Model 100 schematic

spixels. Spixels - 16-SPI LED Raspberry Pi adapter with library (SPI - Pixels).

rpt2pnp. Solder paste dispensing and Pick'n Placing

stuff-org. Organize electronic components. Or other stuff.

postscript-hacks. A collection of some useful PostScript programs.

folve. Folve - seamlessly FIR convolving audio file fuse filesystem with gapless support.

bant. Bazel/Build Analysis and Navigation Tool

rpt2paste. Convert KiCAD rpt files to G-Code to dispense solder paste

bumps. BeagleBone Universal Multi Pololu Steppers

blisplay. A tactile display for the blind.

pixelpusher-server. A simple library that allows to receive pixels via the PixelPusher protocol.

gcode-multi-shell-extrude. Little hack to create GCode for multiple 'screw' shells

otp-image. Optical One-Time Pad XOR encoding of images

joystick-gcode-jog. Jogging a machine such as a 3D printer or CNC machine with a gampad. Mostly proof of concept.

digi-spherometer. A digital spherometer, reading data from digital dial indicator and converting it to radius, displaying on OLED display.

RedPitaya-Case. A case for the Red Pitaya scope/function generator

glowtape. Glow in dark tape/wristwatch

openscad-things. Things made with OpenSCAD. Mostly experimental right now.

gds2vec. A simple program to convert gdsII files to vector output formats. Currently used to create laser-cut models of standard cells.

quadrigotion. TMC2660 Four stepper motor drivers on a stick.

precise-pitch. Instrument tuner app. Mostly my playground to learn Android development.

tmc2660-breakout. Little breakout board to play with the TMC2660 stepper driver

bare-lsp. A language server protocol implementation

symbiflow-simple-sample. Using Symbiflow arch defs to get BASYS3 board entertained with logic

glowxels. Glow-in-the-dark canvas

rpi-fb-matrix. Raspberry Pi framebuffer copy tool for RGB LED matrices. Show what's on a Pi HDMI output on a big RGB LED matrix chain!

rp2040-nix-template. Minimal rp2040 c++ template

air-filter-box. Quad AirFilter using standard box-fan and standard aircon/furnace filters

makerspace-tag. Simple app keeping track of makerspace users and their capabilities

node-rpi-rgb-led-matrix. Pilot your rgb led matrix with Nodejs ! Nodejs binding of rpi-rgb-led-matrix library https://github.com/hzeller/rpi-rgb-led-matrix

DFTFringe. DFTFringe Telescope Mirror interferometry analysis Program.

gstreamer-gapless-test. Sample source code to demonstrate a gstreamer issue.

Surelog. System Verilog 2017 Pre-processor, Parser

rfid-access-control. Little system to handle RFID access control at Noisebridge

simple-spherometer. A simple analog spherometer made from simple hardware-store materials, laser cut acrylic and 3D printed parts.

frei0r. A large collection of free and portable video plugins