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Technical notes, project write-ups, updates.

Windows Explorer context menu with the Paste image as file option highlighted
Tools

Paste image as a file — a simple Windows Explorer trick

A PowerShell script and a registry entry that add a context-menu option to save a clipboard image straight to a PNG file.

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Assembled DoIP development board showing the STM32 microcontroller and connectors Electronics

DoIP development board built around the KSZ8863RLL Ethernet switch and STM32

A custom DoIP diagnostic board over 100BASE-T — a KSZ8863RLL Ethernet switch connected to an STM32 via RMII, fully in-house PCB and firmware.
Closed controller enclosure with a mains switch and four IEC C13 outlets Electronics

Universal Power Control Module — 4x SSR with IEC Outlets

A modular 230V power controller — 4 independent IEC C13 outputs switched by solid-state relays, an EMI filter, and a built-in 5V supply, driven by an external logic-level signal.
IMU sensor PCB 10×15 mm next to a ruler — IMU chip, resistors and mounting holes visible Electronics

Miniature IMU sensor for gait research — 10×15 mm, SPI, 3D-printed

A 10×15 mm, 0.8 mm-thick IMU sensor with SPI interface and LED status indicators, housed in a 3D-printed enclosure and used in clinical biomechanics research on human gait.
3D-printed jig for soldering wires to a pressure sensor 3D Printing

A jig for delicate parts — savings that pay back from the first piece

A 3D-printed jig that protects the fragile membrane of a pressure sensor while wires are soldered on the production line.
933 MHz radio remote next to a CR2032 cell for size comparison Electronics

933 MHz radio remote with two-way comms

A miniature CR2032-powered remote — custom PCB, embedded firmware and an SLA enclosure in flame-retardant UL94-V0.
PET-G replacement part 3D-printed in 10 minutes 3D Printing

3D-printed replacement parts — when 10 minutes of printing rescues a whole device

A single tiny plastic clip you cannot buy anywhere can park a multi-thousand-dollar tool. Here's how to step around it.
Laser-cut 3 mm plywood parts Laser & CNC

Cutting 3 mm plywood with a laser — fast, clean, no traditional tools

Thin plywood under a 10 W diode CNC laser: a quick process with a few details that need watching.
Flexible buttons printed in SLA from Flexible 80A resin 3D Printing

Flexible buttons — 80A resin, 50 µm resolution, 14 pieces per print

Printing a flexible button membrane in SLA: why the material is hard, how to tame it, and what comes off the print bed.
Monitor1-Channel v1 card — 3D PCB render with LT3086 regulator and PIC24FJ256GL405 microcontroller Electronics

Monitor1-Channel: 16-Channel Power Supply and Measurement System for Automotive and Medical Testing

A modular 16-card system for precision powering and monitoring of devices under test in automotive and medical industries — custom UART protocol, LT3086 and PIC24FJ256GL405 on every card.