About

Professionally I am a Software Engineer and Architect working on automotive operating systems and autonomous vehicles. Previously I also worked on router operating systems and mobile network infrastructure, as well as industrial embedded Linux and real-time operating systems.
A long time ago I started my career as a Linux systems and database administrator.

Blog

• A Very Short Introduction to NTP Timestamps
• Creating transparent animated GIFs with Go and gg (golang)
• Accessing the Raspberry Pi UART using an Arduino as a 3.3V USB to serial adapter
• Using Frida as a scriptable cheat engine
• Using AFL to fuzz ARM binaries on a Rasbperry Pi and with AFL QEMU mode
• How to gracefully return from ARM Cortex M3 Hard Faults
• Reverse engineering an USB card reader
• Understanding the ARM Cortex-M MPU
• truhialamV2 or the Internet of freezers
• Fixing an RC522 RFID reader

Projects

• TWAMP8266: An Arduino based ESP8266 TWAMP Light reflector
• monitoring-plugins: Various plugins for monitoring systems like MRTG, Nagios, Icinga, Naemon, etc.
• impost0r: Copy another Github user's activity data onto your own contribution calender
• ico-pdf: A tool to create polyglot files that are valid ICO images as wells as PDF documents
• AVR_Stick_Apps: A collection of demo applications for the ATtiny85 and V-USB
• flopbear: A configuration-less, single binary DHCP server
• ghdecoy: Fill your Github contribution calendar with random fake commits
• truhialarmV2: Sending email notifications on sensor events from an ESP8266/ESP-01
• things: Designs for various 3D printed and laser cut gadgets, puzzles, and replacement parts

Publications

• A guide to ICO/PDFpolyglot files; Paged Out! Issue #1, 2019 [pdf] [web]
• 5 Little Programming Tricks; Paged Out! Issue #4, 2024 [pdf] [web]

Heroes

• Jaron Lanier
• Eric S. Raymond
• Travis Goodspeed
• Fabrice Bellard
• Jonathan Blow

Contact

twitter.com/tickelton

mastodon.social/@t1ck

gitlab.com/tickelton

thingiverse.com/tickelton

github.com/tickelton

tickelton.gitlab.io