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Latest posts

Hello World

Bell 103

2023-12-27 Signal Processing in Python

2023-12-28 more DSP

2024-01-01 zero crossings and PLLs

2024-01-06 RAM and Coreboot upgrades

2024-01-04

2024-01-07 coreboot strikes back

2024-01-09 ESPHome

2024-01-08

2024-01-11 corebios and grub

2024-01-10 VGA ROM

2024-01-17 expresscard

2024-01-24 expresscard continued

2024-01-31 Expresscard USB-C

2024-02-01 USB-C ports and chips

USB3 Expresscard Teardown

2024-02-08

2024-02-03 Footprints and routing

2024-02-12 inductor math

2024-02-11 prior art

2024-02-23 routing

2024-03-20 sensorwatch debugging

2024-03-02 weather station

2024-02-24 routing-er

2024-04-20 Debugging Power

2024-07-07 Smart Ring Hacking

2024-04-22 mp3 and formats and bitrates

2024-07-08 Smart Ring Hacking 2

2024-07-09

2024-07-13 Smart Ring HR success!

2024-07-14 Smart ring battery life and ghidra

2024-07-19 Smart ring digging

2024-07-15

2024-07-28 Smart Ring Steps

2024-07-21 Blood Oxygen

2024-08-02 More steps and a big refactor

2024-08-09 Steps working

2024-08-10 Heart Rate Details

2024-08-15 Cleanup and heart rate log

2024-08-13 Heart Rate Parsing

2024-08-16 heart rate logs

2024-10-13 first look at compiling from scratch

2024-10-26 R02 vs R06 HR

kobo clara 2E

2025-04-18 Research

Kindle paperwhite rooting

2025-04-19 Research 2

2025-06-29 pinsssss

2025-05-18