Arduino/ESP32 library for controlling the hardware on-screen display (OSD) engine in AMT630A-based composite-video LCD monitor boards. Version 0.7.0 Project video Watch the AMT630A OSD / Robby HUD project on YouTube The library exposes the AMT630A’s five hardware OSD windows as … Read more
May 1, 2026 After 10 years of on-and-off work, I’m releasing a full reverse-engineering of the 1998 Ultima Online demo server: https://github.com/draxinar/ouo. About 5,000 functions disassembled from MSVC x86 and translated into portable C99, with each function compared instruction-by-instruction against … Read more
A few years ago I ran a small UniFi hosting service. Managed cloud controllers for MSPs and IT shops who didn’t want to run their own. Every customer got their own VPS running a dedicated controller. The product worked. People … Read more
As seen on Hackaday! TL;DR – The SanDisk High Endurance cards use SanDisk/Toshiba 3D TLC Flash. It took way, way more work than it should have to figure this out (thanks for nothing, SanDisk!).In contrast, the SanDisk MAX Endurance uses … Read more
We recently received an attitude indicator for the F-4 fighter plane, an instrument that uses a rotating ball to show the aircraft’s orientation and direction. In a normal aircraft, the artificial horizon shows the orientation in two axes (pitch and … Read more
I got some fancy new speakers last week. They’re powered speakers and they have streaming service integrations built in, unlike the 35-year-old passive speakers I’m upgrading from. Overall they’re great! But they’re so loud that it’s difficult to make small … Read more
Epilogue A few days ago I had to replace the old IP camera I use to watch over my dogs and cats, and found out that IP cam technology changed a lot since I bought that old camera. IP cameras … Read more
Instructions to View Download the latest release of OpenBoardView. Torrent or Download the release data, unzip it, and read all included .txt files. Open OBV, under View, disable Board Fill and Part Fill, then under File, Open ‘Switch Lite Logic … Read more
## TL;DR I reverse-engineered the encrypted protocol GoodWe smart meters and solar inverters use to send metrics to the cloud. I used this research to build a prometheus exporter. ## The Sun: so hot right now I got a solar … Read more
A few weeks ago, I started designing my own IoT gadget platform from scratch. At this point, I have a powerful microcontroller that can communicate over Bluetooth and Wi-Fi, and tons of I/O for making fun things. But, I haven’t … Read more