🔧 Repair Bench Notes

Laptop, meet soldering iron (nobugs​.org). Dell laptop power-jack repair using 19.5V rails, GenCad/OpenBoardView, hot-air SMD soldering, 10uF capacitor replacement

Monitor Repair (river​.cat). DIY monitor repair using parallel SR5100 diodes, PFC bypass, and mains measurements with a Fluke 87V for a BenQ EW3270U

Repair and Reinforce Pentair IC40 Cable (morgandavis​.net). Repairing a chewed Pentair IC40 cable using heat shrink, liquid-tight conduit, soldering, and protective measures

Failed repair attempt on a BSH dishwasher 9000 683 387 power board (TNY264GN) (#P49) (wanhunglo​.com). Unrepairable BSH dishwasher power board (TNY264GN) teardown and analysis using oscilloscope, with X2 capacitor, 78M05 regulator, and diagnostic probing

📡 RF & Embedded Tools

MEGAphone Hardware Module Progress Update (c65gs​.blogspot​.com). Progress update on MEGAphone hardware modules for MEGA65, detailing PCB fabrication, testing, and revisions with focus on FPGA carrier, battery management, Bluetooth/ speaker interface, LCD panel, and LoRa modules

How to fix 'RX Loss' on the BetaFPV Air65 (jakobmaier​.at). Fix RX Loss on BetaFPV Air65 by installing ELRS Lite and reconfiguring UARTs with Betaflight, including soldering and binding steps

Bambu RFID scanner on Flipper Zero (uzyn​.com). Scan Bambu RFID tags with Flipper Zero to retrieve filament color codes, temperatures, specs, and production dates

🧩 Components & Sensors

Which transisors are used in the KIM-1? (retro​.hansotten​.nl). Explores transistor types used in the KIM-1 and its clones, detailing PNP LED drivers and a serial NPN transistor

Programmable Linear Position Sensor Technology White Paper (techbriefs​.com). Programmable linear position sensor with inductive sensing enables wear-free, configurable range, offset, and output scaling

Etching Ever So Carefully (ben​.akrin​.com). Explores refining specular holography with a pen plotter, pressure sensing, and load cell integration using steppers and programming

🍓 Pi & MCU Builds

Light Lab (technoblogy​.com). Arduino-like AVR128DB28-powered Light Lab for NeoPixel/DotStar LED patterns with fixed-point math and a USB-C/i2c OLED interface

'New' series: Raspberry Pi fun with DevOps, redux (perrotta​.dev). Raspberry Pi projects with DevOps ideas, redux, motivations, and evolving goals using Alpine Linux and other distros

Raspberry Pi AI HAT+ 2 Launched – Generative AI on the Pi 5 (bret​.dk). Raspberry Pi AI HAT+ 2 with Hailo-10H, 8GB RAM enables local GenAI on Pi 5, running Llama3.2 and DeepSeek with LoRA tuning

📚 Academic Research

Bio-RV: Low-Power Resource-Efficient RISC-V Processor for Biomedical Applications (arxiv:cs). Bio-RV is a tiny deterministic RV32I RISC-V core for biomedical SoCs. Its low area and power ideas inspire DIY ultra-low-power controllers and ASIC/FPGA projects too

SME-YOLO: A Real-Time Detector for Tiny Defect Detection on PCB Surfaces (arxiv:cs). SME-YOLO improves PCB defect detection via loss, upsampling, and attention modules. Makers can adapt it for low-cost inspection rigs using cameras and Raspberry Pi today