Alex

Hi! I'm Alex - sometimes going by the memorable name of 0x416c6578 online. I'm a (predominantly backend) software engineer working in finance, specifically payments (Open Banking). I have a small collection of things below, of varying utility and interest.

Posts

See my work on Github

Technical

• How I Use Obsidian for Taking Notes and Planning my Day (19/09/25)
• Go 1.22 Loop Semantics Change Note (12/08/25)
• Kia Rio Headunit Passcode Reverse Engineering (19/07/24)
• LineageOS Hosts File Editing Without Root (08/10/23)
• Messing with the LDS-006 Laser Assembly (06/10/21)
• Work on Decoding Serial Data from LIDAR (14/09/21)
• Fixing Periodic Resets of LDS-006 CPU (12/09/21)
• Messing With GD32F130F6P6 (10/09/21)
• Updates on the LDS-006 Lidar (09/09/21)
• Fixing Android Messaging Heads Up Notifications (03/09/21)
• (Mis)adventures With the LDS-006 Lidar (25/08/21)
• XFCE4 Automatic Theme Switching (25/08/20)
• Various Snippets of Info From p8-firmware Sources (21/08/20)
• A Deep Dive into LVGL Fonts (25/07/20)

Non Technical

• Three Peaks Challenge 2025 (24/06/25)

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• My Education
• My Reading

Notes

Various notes from my learning, reading and watching:

• Learning the Go Programming Language
• Notes from Matt Holiday Go Tutorial (actively updating)
• Pro Git Book Notes
• Go Conference Talk Notes

Projects

• LDS-006 LIDAR Research
• P8 Smartwatch Firmware
• SAP-1 8 Bit CPU
• Other Stuff