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Ryan Walker
Ryan Walker

214 Followers

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Sep 12, 2022

Farewell to Medium!

For the past five years, I’ve been using Medium to tell my stories; it’s been a great platform for getting my ideas into the world. But now it’s time to migrate all the content over to my site. If you’re interested in keeping up with my projects, there is a subscribe field at the bottom of each post on my site. I also host a Discord server where I’ll update the community with my latest work, whichever you prefer.

Electrical Engineering

1 min read

Farewell to Medium!
Farewell to Medium!
Electrical Engineering

1 min read


Jul 29, 2022

I'm Building a Self-Destructing USB Drive.

Read the updated story here. Because we all know the best way to keep your data safe is by blowing it up, right? Well, for most of us, the real answer lies with encryption. But consider this: there are certain countries where it is dangerous to be a journalist. Now…

Open Source

4 min read

I'm Building a Self-Destructing USB Drive.
I'm Building a Self-Destructing USB Drive.
Open Source

4 min read


Jun 21, 2022

Shit Happens when you Fork Naked.

Read the updated story here If you develop software, a fork isn't just a utensil. It indicates a divergence in a codebase. Code gets forked for several reasons, different opinions, access rights, making a pull request into the upstream repository, etc. There is the correct way to fork software. Then…

Software Development

3 min read

Shit Happens when you Fork Naked.
Shit Happens when you Fork Naked.
Software Development

3 min read


Mar 8, 2022

Flashing the RP2040 with a Jlink and OpenOCD

Read the updated story here Raspberry Pi Pico is a tiny, fast, and versatile board built using RP2040, a brand new microcontroller chip designed by Raspberry Pi in the UK. — Raspberry Pi People I picked up a Pico for a couple of bucks to try it out. In a…

Raspberry Pi

2 min read

Flashing the RP2040 with a Jlink and OpenOCD
Flashing the RP2040 with a Jlink and OpenOCD
Raspberry Pi

2 min read


Jan 23, 2022

Upcycling laptop memory for single-board computers?

Read the updated story here A few weeks ago, I headed to my local computer shop in search of affordable RAM. Due to the chip shortage, I have had to become creative lately in how I source parts for prototyping. My idea was to buy older DDR3 laptop RAM, remove…

Raspberry Pi

4 min read

Upcycling laptop memory for single-board computers?
Upcycling laptop memory for single-board computers?
Raspberry Pi

4 min read


Oct 26, 2021

I put a WiFi router into a phone charger (Final Post)

Read the updated story here This is the fifth and final installment about designing a WiFi router into a phone charger for security, pentesting and red teaming; (part zero, part one, part two here, part three here). Feel free to join our community on Discord! …

Security

4 min read

I put a WiFi router into a phone charger (Final Post)
I put a WiFi router into a phone charger (Final Post)
Security

4 min read


Oct 15, 2021

Bluetooth WarDriving with the nRF52

Read the updated story here I am an open source advocate that loves working on embedded systems. I own and operate a small consulting company: Interrupt Labs. If you like my work and want to stay in the loop, join our community on Discord! The nRF52 is a very popular…

Nrf52

8 min read

Bluetooth WarDriving with the nRF52
Bluetooth WarDriving with the nRF52
Nrf52

8 min read


Sep 22, 2021

I’m not putting a WiFi router into a phone charger (Part 3)

Read the updated story here This is the fourth installment about designing a WiFi router into a phone charger for security, pentesting and red teaming; (part zero, part one, part two here). Feel free to join our community on Discord! Everything is open source: Github Here. There are two classes…

Linux

5 min read

I’m not putting a WiFi router into a phone charger (Part 3)
I’m not putting a WiFi router into a phone charger (Part 3)
Linux

5 min read


Jul 19, 2021

I’m putting a WiFi router into a wall charger (Part 2)

Updated story here This is the third part of a blog about putting a WiFi router into a phone charger; (see part zero here, see part one here) and feel free to join our community on Discord! Everything is open source: Github Here. This post will outline the bringup of…

Linux

8 min read

I’m putting a WiFi router into a wall charger (Part 2)
I’m putting a WiFi router into a wall charger (Part 2)
Linux

8 min read


Jun 15, 2021

I’m putting a WiFi router into a wall charger (Part 1)

Read the updated story here. This is the second part of a blog about putting a WiFi router into a phone charger; please see part zero here and feel free to join our community on Discord! Everything is open source: Github Here. This project is effectively “building a computer from…

Embedded Systems

11 min read

I’m putting a WiFi router into a wall charger (Part 1)
I’m putting a WiFi router into a wall charger (Part 1)
Embedded Systems

11 min read

Ryan Walker

Ryan Walker

214 Followers

Building things.

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