🔧 Repairs & Hardware Mods

OMTech Laser: Focus Pen Wiring Repair (softsolder​.com). Repairing an OMTech laser focus pen by replacing wiring through drag chains using JST SM connectors and silicone ribbon cable

PDP Rock Candy Xbox 360 time. (s-config​.com). Repairing a PDP Rock Candy Xbox 360 controller by removing JP4, wiring a USB cable, and testing with Windows 11 and Steam

Ortur YRC-1: Adding a Home Switch (softsolder​.com). Rotary encoder home switch addition for Ortur YRC-1; OpenSCAD, laser-cut acrylic cam, hot-melt glue, wiring to Y-axis home, Ruida KT332N quirks

Nvidia Controller 2015 edition! (s-config​.com). Retro Nvidia Shield 2015 controllers explored: teardown, battery rehab, Bluetooth limitations, and retro-gaming nostalgia

Surgery (idiotking​.org). Drone recovery trip details: drone repair, soldering 22ga wires, heatshrink, and on-site B-roll over Scout field

💡 Displays & Lighting Builds

I made another little bedside clock (stavros​.io). Building a new ESP8266/ESP32 bedside clock with ESPhome, MQTT, NTP, and dynamic dimming on a color OLED

RGB House Number Project Done! 🌈🏠 (cleverdevil​.io). RGB house-number project showcases an OS-themed display using LEDs; author discusses hardware, HTML/CSS/JS, and powering options with community reactions

Christmas lights, powered by Drupal (dri​.es). Drupal-powered Christmas lights by Dries Buytaert using REST, state API, and MicroPython on Pimoroni LEDs

Buitentemperatuurkastje (marcelv​.net). Kastje toont actuele buitentemperatuur via Open-Meteo API met ESP/Arduino code en WiFi verbinding

My First Neopixel Party Light (bikerglen​.com). Small multi-color Neopixel party light using Adafruit Jewel, Sparkle Motion Mini, 3D-printed housing, and WLED/CircuitPython/Arduino control

🏠 Home Automation Plumbing

KNX with HTTP API (fale​.io). KNX-based home automation with an HTTP API, logging KNX bus events, and a GitHub‑hosted v0.1 project leveraging HTTP APIs

Brian (bex) Exelbierd: Integrating the NOUS E10 ZigBee Smart CO₂, Temperature & Humidity Detector with ZHA (bexelbie​.com). Integrating NOUS E10 ZigBee CO₂ detector with ZHA using a custom quirk and AI-assisted development

My Home Assistant setup (loopwerk​.io). Explores syncing HomeKit with Home Assistant, presence detection, light and heating automations, and DIY automations with YAML/UI

Mitsubishi Heat Pump Data in Home Assistant via Modbus (helgeklein​.com). Learn to pull Mitsubishi heat pump data into Home Assistant via Modbus using A1M+/Modbus TCP for detailed status and operations

🧠 Embedded & Retro Compute

Vibe-Coding an ESP32 version of Micro QuickJS / MQuickJS (conoroneill​.net). Vibe-Coding an ESP32 port of Micro QuickJS / MQuickJS exploring ESP32 boards and a tiny JavaScript engine

3D Printed Rugged Enclosure for NXP MCU-Link Debug Probe (mcuoneclipse​.com). 3D printed rugged enclosure for NXP MCU-Link CMSIS-DAP probe using FreeCAD design, hinge and latch, and stackable box

PC6502 update (maddox​.pro). PC6502 tinkering with OPL3, 6551 serial, display, transputer link, and a planned 10" laptop build with CAD renders

🧷 PCB Design & EDA

Guitar Pedal PCB (peterlyons​.com). Collaborative guitar pedal project using KiCAD to design a compact PCB, with 10 prototypes from PCBWay

kicoil (jaseg​.de). KiCoil generates planar inductors as footprints with SVG import, circles, rectangles, sectors, spirals, toroids, and intermediate shapes

Attempting to test the discrete transistor method of resolving the 1130 MRAM retriggering (rescue1130​.blogspot​.com). Testing discrete transistor method to resolve MRAM retriggering on IBM 1130 with a DIY spare PCB, SLT cables, and transistors (2N5551, MPS2222A) using breadboard proofs

Ordered new PCB with my original fab to reduce delays (rescue1130​.blogspot​.com). Rescue 1130 blog post about ordering a PCB with original fab to cut delays and manage budgeting with PCBWAY and JLCPCB

📟 Test Gear & RF

The Scenic Route to Repairing a Self-Destructing SRS DG535 Digital Delay Generator (tomverbeure​.github​.io). DIY repair of a DG535 delay generator: power-supply fixes, analog interpolation, LCD replacement, and chronicling miswiring mishaps

Neon bar-graph VSWR/Power meter using the ИН-13 (a.k.a "IN-13") "Nixie" - Part 3 (of 3) (ka7oei​.blogspot​.com). Neon bar-graph VSWR/power meter using IN-13 tubes, PIC18F1330, AD8307, PWM, and LED backlighting in a DIY RF instrument

Repair of a Marine Ammeter (michael​.kafarowski​.com). Repairing a marine DM-730E4A ammeter by replacing aged electrolytic capacitors and analyzing a flyback-powered supply

🎛️ Synth & Audio Circuits

Building a Synthesizer, Chapter 13: Building the VCF (craigstuntz​.com). Craig Stuntz builds a VCF for a DIY synthesizer, discusses PC board assembly, diode matching, and envelope-controlled filter behavior

SP0256A-AL2 Sings the Twelve Days of Christmas (diyelectromusic​.com). DIY Arduino SP0256A-AL2 project singing Twelve Days of Christmas using bitmask audio sequencing and MIDI/Allophones

Learning Computer Science Via Building Analog Synthesizers at Codemash 2026 (craigstuntz​.com). Learning CS by building analog synthesizers, CodeMash 2026 talk explores op-amp abstraction, transistors, and debugging with oscilloscopes

📚 Academic Research

Wireless Center of Pressure Feedback System for Humanoid Robot Balance Control using ESP32-C3 (arxiv:cs). Builds an ESP32‑C3 wireless foot sensor with four load cells to stream center‑of‑pressure for humanoid balance. Practical PID design tips for makers building robots today