Embedded Software and Hardware Development, Linux, Network Engineer (AS208340), OpenWrt
HPE-FlexibleLOM-adapter. Adapter for using HPE FlexibleLOM cards in full height PCIe slots
243DC-UPS. A small DC UPS, designed to keep small appliances like consumer network equipment running during power outages
216ESP32-Devkit-Type-C. Breadboard friendly, USB Type C enabled, ESP32 Devkit compatible, JLCPCB assembly ready ESP32 devboard
88shoreline. A very fast (200+ Gbit/s) pixelflut server written in C with full IPv6 support
83sturmflut. A FAST (80+ Gbit/s) pixelflut client with full IPv6 and animation support
60oled-nametag. A ESP32-based OLED nametag
54lmic-esp-idf. A good port of the LMIC LoRaWAN library to esp-idf
49dc-ups-firmware. C
44esp_i2s_parallel. A simple parallel i2s driver for the esp32
42blinkekatze. Blinkekatze, a replacement PCB to turn cat themed night-lights into interactive light displays
33M.2-NVMe-SSD-to-miniPCIe-adapter. A simple M.2 NVMe to miniPCIe adapter
33blinkekatze-firmware. Firmware for Blinkekatze, a replacement PCB to turn cat themed night-lights into interactive light displays
24Palm-IIIc-CCFL-led-retrofit. LED backlight replacement for the Palm IIIc
20dialog-cr16c-uart-boot. Tools and utilities for booting Dialog SC14441 and similar MCUs via UART
19PBP-NGFF-A-E-adapter. A/E Key NGFF adapter for the Pinebook Pro. Designed as drop-in replacement for the NVMe adapter.
16eMMC-microSD. Board to use common eMMC flash as microSD cards
16mk_esp32fat. A simple tool for building FAT filesystem images for the ESP32 fatfs with wear levelling support
15wintron7.0. Some documentation on what I did to get Linux running on the TrekStor SurfTab wintron 7.0
12eMMC-SD-Card. eMMC in a SD Card formfactor
12PCIe-breakout. PCIe to .1 inch header breakout
11OpenHomelabSwitch.
11InfiRay-C200-macro-lens. OpenSCAD
10dfs-pulse-tester. A GNU Radio flow graph for emulating radar signal patterns for DFS testing
10ttn-klax. TTN Decoder for KLAX LoRaWAN electricity meter sensors
9kernelstuff. Some drivers I wrote
8linux2boot. A kexec-based POSIX shell boot manager
7RGB-led-nametag. A small 48x16 pixel wearable LED canvas
7vncmux. A simple vnc multiplexer
7mini-pcie-breakout. A small mini PCIe breakout board
6tiny-matrix. A tiny, charlieplexed 8x8 STM32 LED Matrix
6Palm-IIIc-usb-c-sync. A USB-C sync adapter for the Palm IIIc
5vfd-breadboard-adapter.
5noritake_mn12864k_controller. STM32F7-based controller for the Noritake MN12864K VFD
5oled-nametag-firmware. C
5tps63070-module. A small step-up/-down module based on the TI tps63070, footprint-compatible to MP1584EN
4LiIon-buck-boost-3V3. Simple full voltage range single cell LiIon to 3.3 V buck-boost converter
4KVMGT. Some notes on KVMGT with libvirt and qemu on Intel Skylake
4smol-mppt. A tiny, LTC4162 based MPPT multi-chemistry* charger
4InfiRay-C200-serial-port-cover. Replacement port cover for InfiRay C200 (aka Vevor SC240 or TopDon TC004) to add a serial port for console access
4cc-crypto. Encrypted and authenticated communication for ComputerCraft
4rigol-DP832-USB-C-adapter. A USB-C power adapter for the Rigol DP832
3esp_dma. A generalized dma component for esp-idf
3VFDboy-advance.
3c-object-log. Simple, but efficient log-structured linked-list style storage in C
3bioptics-bx4x4-acquisition-board. Custom acquisition board for Bioptics BX4x4 digital X-Ray sensors (8x RadEye1) as found in Faxitron MX-20 variant DC44 [WIP]
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