Discover @hzeller Open Source projects

Henner Zeller (@hzeller)

hzeller

Stars
8,013
Global Rank 2,954 (Top 0.2 %)
Followers 716
Following 126
Registered about 15 years ago
Most used languages

C++
52.5 %

OpenSCAD 11.5 %

C
8.2 %

Python
4.9 %

Go
4.9 %

PostScript 4.9 %

KiCad Layout 3.3 %

Makefile 3.3 %

Java
1.6 %

G-code 1.6 %

Nix
1.6 %

JavaScript
1.6 %
Location 🇺🇸 United States
Country Total Rank 1,388
Country Ranking

PostScript 9

KiCad Layout 20

OpenSCAD 41

C++
75

Nix
128

G-code 204

C
363

Makefile 803

Go
3,633

JavaScript
8,755

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

rpi-gpio-dma-demo

Performance writing to GPIO with CPU and DMA on the Raspberry Pi

flaschen-taschen

Noisebridge Flaschen Taschen display

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.

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.

trs80-100-schematic

A transcript of the TRS80 Model 100 schematic

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.

otp-image

Optical One-Time Pad XOR encoding of images

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

joystick-gcode-jog

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

gds2vec

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

openscad-things

Things made with OpenSCAD. Mostly experimental right now.

quadrigotion

TMC2660 Four stepper motor drivers on a stick.

tmc2660-breakout

Little breakout board to play with the TMC2660 stepper driver

precise-pitch

Instrument tuner app. Mostly my playground to learn Android development.

symbiflow-simple-sample

Using Symbiflow arch defs to get BASYS3 board entertained with logic

bant

Bazel/Build Analysis and Navigation Tool

bare-lsp

A language server protocol implementation

jcxxgen

A schema compiler generating c++ structs with boilerplate to be serialized easily with nlohmann/json

spixels-pixelpusher

A PixelPusher implementation using the Spixels hardware to control LED strips.

bdfont.data

Generate C-structs from BDF fonts to be compiled into embedded programs.

sound-cam

Simulation of using Microphones to pick up sound locations.

pi-registerplex

GPIO multiplexer for Raspberry Pi

makerspace-tag

Simple app keeping track of makerspace users and their capabilities

ziplain

A plain, no-frills ZIP file writer.

hot-snipper

A Hot-Knife cutting machine

simple-fasm

A simple parser for the FPGA Assembly format

DerKnopf

Simple IR remote control of a volume knob

eda-tools

Small useful tools I use while doing stuff with electronics.

pitch-hero

simple-spherometer

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

air-filter-box

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

microorb

A USB controlled 2.5W RGB LED

FlaschenTaschen-PixelPusher-bridge

Receives FlaschenTaschen protocol and sends to a PixelPusher installation.

rp2040-nix-template

Minimal rp2040 c++ template

gaggia-pid

PID controller, useful for e.g. coffee machines.

golang-pgp-test

Experiments with the golang OpenPGP implementation.

cogsworth-viz

Visualization of data generated from Project-COGSWORTH

sneeze-guard

Sneeze-guard on working tables for reduced Viral spread.

flaschen-taschen-avr

Quick hack to make first FlaschenTaschen crates work.

bidi-tee

A bidrectional `tee` program that passes through stdin/stdout/stderr and copies them colored coded to a file

ear-saver

A laser-cuttable ear-saver for face masks.

threadless-server

select() event API experiment with c++11 closures.

gstreamer-gapless-test

Sample source code to demonstrate a gstreamer issue.

din-rail-clip-mount

3D printed Din-Rail mount for PCB and other components

glowxels

Glow-in-the-dark canvas