# Marc Ketel's Open Source Projects > A collection of open-source hardware and software projects by Marc Ketel. Includes electronic circuits, PCB designs, 3D models, Arduino code, KiCad libraries, and more. ## About - URL: https://atoomnet.net- Author: Marc Ketel (https://github.com/atoomnetmarc/) - Repositories: 56 ## Projects - [AVR_ISP_Programmer](https://atoomnet.net/projects/avr-isp-programmer): Architecture unaware library that tries to program AVR devices by ISP. - GitHub: https://github.com/atoomnetmarc/AVR_ISP_Programmer - Stars: 0 · Forks: 0 - Language: C - Updated: 2026-08-07 - [GNSSpot](https://atoomnet.net/projects/gnsspot): GNSSpot is an ESP32-based firmware that transforms a GNSS module into a fully networked GPS/NMEA server. - GitHub: https://github.com/atoomnetmarc/GNSSpot - Stars: 0 · Forks: 0 - Language: C++ - Updated: 2026-07-25 - [3d-models](https://atoomnet.net/projects/3d-models): Miscellaneous 3d-models. Most of them can be 3d-printed. - GitHub: https://github.com/atoomnetmarc/3d-models - Stars: 1 · Forks: 0 - Language: G-code - Updated: 2026-05-15 - [ATOOMNETKICAD](https://atoomnet.net/projects/atoomnetkicad): This repository contains my personal collection of Kicad symbols, footprints and 3d models. - GitHub: https://github.com/atoomnetmarc/ATOOMNETKICAD - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-03-21 - [Wi-Fi-probe-request-listener](https://atoomnet.net/projects/wi-fi-probe-request-listener): A combination of firmware for an ESP32-C3 that captures Wi-Fi probe requests and a web application for real-time visualization. - GitHub: https://github.com/atoomnetmarc/Wi-Fi-probe-request-listener - Stars: 0 · Forks: 0 - Language: JavaScript - Updated: 2026-03-20 - [WiFi-2-OIP-UI](https://atoomnet.net/projects/wifi-2-oip-ui): Connects an ESP32 to a reclaimed display board from an obsolete Octalarm-IP. - GitHub: https://github.com/atoomnetmarc/WiFi-2-OIP-UI - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-02-07 - [RPSLS-Simulation](https://atoomnet.net/projects/rpsls-simulation): An emergent RPSLS simulation with animated emoji entities, showcasing dynamic group behaviors and continuous evolution on an HTML5 Canvas. - GitHub: https://github.com/atoomnetmarc/RPSLS-Simulation - Stars: 0 · Forks: 0 - Language: JavaScript - Updated: 2026-02-07 - [Yet-another-shitty-carbon-filter](https://atoomnet.net/projects/yet-another-shitty-carbon-filter): A carbon airfilter designed to hold carbon pellets. - GitHub: https://github.com/atoomnetmarc/Yet-another-shitty-carbon-filter - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [yaafr](https://atoomnet.net/projects/yaafr): This is Yet Another AVR Fusebit Rescuer. It is able to restore fuses in bricked AVR microcontrollers using high voltage programming. - GitHub: https://github.com/atoomnetmarc/yaafr - Stars: 4 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [TDA2030A-amplifier-kit](https://atoomnet.net/projects/tda2030a-amplifier-kit): Schematic of some eBay TDA2030A amplifier kit. - GitHub: https://github.com/atoomnetmarc/TDA2030A-amplifier-kit - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [Tasmotize-IKEA-VINDRIKTNING](https://atoomnet.net/projects/tasmotize-ikea-vindriktning): Instruction on how to Tasmotize a IKEA VINDRIKTNING. - GitHub: https://github.com/atoomnetmarc/Tasmotize-IKEA-VINDRIKTNING - Stars: 7 · Forks: 1 - Language: C - Updated: 2026-01-23 - [Sunrise-clock](https://atoomnet.net/projects/sunrise-clock): Sunrise clock tries to gently wake the user from its sleep. - GitHub: https://github.com/atoomnetmarc/Sunrise-clock - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [Solenoid-pulser](https://atoomnet.net/projects/solenoid-pulser): Solenoid pulser for 12V JF-0530B - GitHub: https://github.com/atoomnetmarc/Solenoid-pulser - Stars: 1 · Forks: 1 - Language: HTML - Updated: 2026-01-23 - [SAMD21-breakout](https://atoomnet.net/projects/samd21-breakout): SAMD21 breakout board, layout inspired by Arduino MKR Zero. - GitHub: https://github.com/atoomnetmarc/SAMD21-breakout - Stars: 2 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [Reset-timeout](https://atoomnet.net/projects/reset-timeout): Prevent microcontroller reset after power-on using an extra tiny microcontroller. - GitHub: https://github.com/atoomnetmarc/Reset-timeout - Stars: 0 · Forks: 0 - Language: C++ - Updated: 2026-01-23 - [Relay-board](https://atoomnet.net/projects/relay-board): It is a board with 4 relays. - GitHub: https://github.com/atoomnetmarc/Relay-board - Stars: 0 · Forks: 0 - Language: POV-Ray SDL - Updated: 2026-01-23 - [Project-Decennium](https://atoomnet.net/projects/project-decennium): Remix of Project Decennium. It shows the space state (open or closed) of all Dutch hackerspaces. - GitHub: https://github.com/atoomnetmarc/Project-Decennium - Stars: 2 · Forks: 1 - Language: HTML - Updated: 2026-01-23 - [PMOD-USB-UART](https://atoomnet.net/projects/pmod-usb-uart): An USB UART PMOD - GitHub: https://github.com/atoomnetmarc/PMOD-USB-UART - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [PMOD-SPI-Memory](https://atoomnet.net/projects/pmod-spi-memory): SPI Memory PMOD, RAM, ROM, Flash - GitHub: https://github.com/atoomnetmarc/PMOD-SPI-Memory - Stars: 1 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [PMOD-series-resistor-board](https://atoomnet.net/projects/pmod-series-resistor-board): Double width PMOD series resistor board to protect high-speed ports. - GitHub: https://github.com/atoomnetmarc/PMOD-series-resistor-board - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [PMOD-proto-board](https://atoomnet.net/projects/pmod-proto-board): Double width PMOD proto board. - GitHub: https://github.com/atoomnetmarc/PMOD-proto-board - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [PMOD-extended-SPI-TFT](https://atoomnet.net/projects/pmod-extended-spi-tft): An extended SPI TFT PMOD with sd. - GitHub: https://github.com/atoomnetmarc/PMOD-extended-SPI-TFT - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [Motivational-Board](https://atoomnet.net/projects/motivational-board): Motivational Board, track something year round with RGB-leds and switches. - GitHub: https://github.com/atoomnetmarc/Motivational-Board - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [Minew-MS88SF2-breakout](https://atoomnet.net/projects/minew-ms88sf2-breakout): Simple nRF52840 Minew MS88SF2 IEEE802.15.4 module breakout board. - GitHub: https://github.com/atoomnetmarc/Minew-MS88SF2-breakout - Stars: 1 · Forks: 2 - Language: HTML - Updated: 2026-01-23 - [LED-Strip-clock](https://atoomnet.net/projects/led-strip-clock): Just a ESP8266 with some power shift registers to drive LED strips and make a clock. - GitHub: https://github.com/atoomnetmarc/LED-Strip-clock - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [joule-thief](https://atoomnet.net/projects/joule-thief): A joule thief is a circuit able to use the very last electron from a 1.5V battery. - GitHub: https://github.com/atoomnetmarc/joule-thief - Stars: 1 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [Jennic-JN5148-001-M04-breakout](https://atoomnet.net/projects/jennic-jn5148-001-m04-breakout): Jennic JN5148-001-M04 IEEE802.15.4 module breakout pcb. - GitHub: https://github.com/atoomnetmarc/Jennic-JN5148-001-M04-breakout - Stars: 3 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [IoT12](https://atoomnet.net/projects/iot12): Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips. - GitHub: https://github.com/atoomnetmarc/IoT12 - Stars: 14 · Forks: 4 - Language: HTML - Updated: 2026-01-23 - [Infinite-UNIX-Terminal](https://atoomnet.net/projects/infinite-unix-terminal): A Vibe-Coded TRON-inspired infinite UNIX terminal animation with retro CRT effects, built using pure HTML, CSS, and JavaScript. Features multi-phase command sequences, realistic typing simulation, and customizable sci-fi aesthetics — all in a lightweight, dependency-free package. - GitHub: https://github.com/atoomnetmarc/Infinite-UNIX-Terminal - Stars: 0 · Forks: 0 - Language: JavaScript - Updated: 2026-01-23 - [iCE40HX8K-EVB-EXT2PMOD-adapter](https://atoomnet.net/projects/ice40hx8k-evb-ext2pmod-adapter): iCE40HX8K-EVB-EXT to 4 PMOD port adapter. - GitHub: https://github.com/atoomnetmarc/iCE40HX8K-EVB-EXT2PMOD-adapter - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [game-of-life-tron-style](https://atoomnet.net/projects/game-of-life-tron-style): A vibe coded game of life, tron style. - GitHub: https://github.com/atoomnetmarc/game-of-life-tron-style - Stars: 1 · Forks: 0 - Language: JavaScript - Updated: 2026-01-23 - [Fusebit-Doctor-TQFP32-adapter](https://atoomnet.net/projects/fusebit-doctor-tqfp32-adapter): Fusebit Doctor TQFP32 adapter - GitHub: https://github.com/atoomnetmarc/Fusebit-Doctor-TQFP32-adapter - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [FT2232HL-development-board-adapters](https://atoomnet.net/projects/ft2232hl-development-board-adapters): FT2232HL development board to iceprog adaper - GitHub: https://github.com/atoomnetmarc/FT2232HL-development-board-adapters - Stars: 1 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [FPGA-playground](https://atoomnet.net/projects/fpga-playground): Random collection of FPGA related stuff. - GitHub: https://github.com/atoomnetmarc/FPGA-playground - Stars: 0 · Forks: 0 - Language: Verilog - Updated: 2026-01-23 - [fds-185](https://atoomnet.net/projects/fds-185): Surtronic FDS-185 LED Matrix playground - GitHub: https://github.com/atoomnetmarc/fds-185 - Stars: 0 · Forks: 0 - Language: C - Updated: 2026-01-23 - [Calex-WiFi-LED-Floor-Lamp-ESP-mod](https://atoomnet.net/projects/calex-wifi-led-floor-lamp-esp-mod): Converting a LMA35 to ESP8266 in a RGB floor lamp - GitHub: https://github.com/atoomnetmarc/Calex-WiFi-LED-Floor-Lamp-ESP-mod - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [Beam](https://atoomnet.net/projects/beam): 3d printable aluminium extrusion inspired models. - GitHub: https://github.com/atoomnetmarc/Beam - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [BCNK-Blinker](https://atoomnet.net/projects/bcnk-blinker): ATtiny13 blinky. - GitHub: https://github.com/atoomnetmarc/BCNK-Blinker - Stars: 0 · Forks: 0 - Language: N/A - Updated: 2026-01-23 - [AVR-demo-board](https://atoomnet.net/projects/avr-demo-board): AVR demo boards for old AT90S* microcontrollers. - GitHub: https://github.com/atoomnetmarc/AVR-demo-board - Stars: 4 · Forks: 1 - Language: HTML - Updated: 2026-01-23 - [ATSAMD21-board](https://atoomnet.net/projects/atsamd21-board): PCB to breakout a ATSAMD21 microcontroller. - GitHub: https://github.com/atoomnetmarc/ATSAMD21-board - Stars: 0 · Forks: 0 - Language: Stata - Updated: 2026-01-23 - [Atmel-ICE-header-adapter-pcb](https://atoomnet.net/projects/atmel-ice-header-adapter-pcb): An adapter PCB to convert tiny Atmel-ICE header to something bigger. - GitHub: https://github.com/atoomnetmarc/Atmel-ICE-header-adapter-pcb - Stars: 1 · Forks: 1 - Language: Stata - Updated: 2026-01-23 - [Arduino-as-ISP-shield](https://atoomnet.net/projects/arduino-as-isp-shield): Arduino as ISP shield created with Kicad. - GitHub: https://github.com/atoomnetmarc/Arduino-as-ISP-shield - Stars: 3 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [American-Clock](https://atoomnet.net/projects/american-clock): A patriotic digital clock displaying time in **HH:SS:MM** format with an American red/white/blue theme and subtle stars animation. - GitHub: https://github.com/atoomnetmarc/American-Clock - Stars: 0 · Forks: 0 - Language: CSS - Updated: 2026-01-23 - [ADLSC](https://atoomnet.net/projects/adlsc): Atoomnet's Digital Led String Controller - GitHub: https://github.com/atoomnetmarc/ADLSC - Stars: 1 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [3D-Sorting-Algorithm-Visualizer](https://atoomnet.net/projects/3d-sorting-algorithm-visualizer): Interactive 3D visualizer for sorting algorithms built with Three.js. - GitHub: https://github.com/atoomnetmarc/3D-Sorting-Algorithm-Visualizer - Stars: 0 · Forks: 0 - Language: JavaScript - Updated: 2026-01-23 - [16db-speaker-attenuator](https://atoomnet.net/projects/16db-speaker-attenuator): A simple resistive divider network to dampen the output of an audio amplifier 16db. - GitHub: https://github.com/atoomnetmarc/16db-speaker-attenuator - Stars: 0 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [ST7789-76x284](https://atoomnet.net/projects/st7789-76x284): A platformio example project running on a ESP8266 demonstrating the TFT_eSPI library working with an ST7789 76x284 TFT display module. - GitHub: https://github.com/atoomnetmarc/ST7789-76x284 - Stars: 9 · Forks: 1 - Language: C++ - Updated: 2026-01-23 - [RISC-V-emulator-RISCOF](https://atoomnet.net/projects/risc-v-emulator-riscof): My try at running the riscv-arch-test using RISCOF against my RISC-V emulator. - GitHub: https://github.com/atoomnetmarc/RISC-V-emulator-RISCOF - Stars: 1 · Forks: 0 - Language: Python - Updated: 2026-01-23 - [Project-Decennium-Firmware](https://atoomnet.net/projects/project-decennium-firmware): Firmware for the remix of Project Decennium. - GitHub: https://github.com/atoomnetmarc/Project-Decennium-Firmware - Stars: 0 · Forks: 1 - Language: C++ - Updated: 2026-01-23 - [n-teller-xl-diy](https://atoomnet.net/projects/n-teller-xl-diy): n-teller-xl-diy is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace). - GitHub: https://github.com/atoomnetmarc/n-teller-xl-diy - Stars: 1 · Forks: 0 - Language: HTML - Updated: 2026-01-23 - [n-teller](https://atoomnet.net/projects/n-teller): n-teller is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace). - GitHub: https://github.com/atoomnetmarc/n-teller - Stars: 2 · Forks: 1 - Language: HTML - Updated: 2026-01-23 - [LedBanner-multicast-receiver](https://atoomnet.net/projects/ledbanner-multicast-receiver): A LedBanner multicast receiver. Works when connected to the RevSpace WiFi. - GitHub: https://github.com/atoomnetmarc/LedBanner-multicast-receiver - Stars: 3 · Forks: 0 - Language: C - Updated: 2026-01-23 - [RISC-V-emulator-Native](https://atoomnet.net/projects/risc-v-emulator-native): RISC-V-emulator implementation useable for RISCOF riscv-arch-test. - GitHub: https://github.com/atoomnetmarc/RISC-V-emulator-Native - Stars: 1 · Forks: 0 - Language: C - Updated: 2026-01-23 - [RISC-V-emulator](https://atoomnet.net/projects/risc-v-emulator): A library that can emulate a RISC-V cpu. - GitHub: https://github.com/atoomnetmarc/RISC-V-emulator - Stars: 3 · Forks: 0 - Language: C - Updated: 2026-01-23 - [LLModelScoring](https://atoomnet.net/projects/llmodelscoring): A PHP application that evaluates capabilities (like programming or other textual generation) of different LLM models via the OpenRouter API. - GitHub: https://github.com/atoomnetmarc/LLModelScoring - Stars: 0 · Forks: 0 - Language: PHP - Updated: 2026-01-01 ## Notes - All projects are hosted on GitHub: https://github.com/atoomnetmarc/- This file is dynamically generated from the GitHub API.