Gordon Williams - Founder at Espruino

Gordon Williams

Founder at Espruino

Oxford, England, United Kingdom

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Summary

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Rockstar

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Top School

Gordon Williams is a seasoned embedded systems engineer and founder with 26 years of experience designing low-power devices and developer tools using web technologies. As the creator of Espruino and director at Pur3 Ltd, he has led the open-source JavaScript runtime for microcontrollers, making hardware tinkering accessible to hobbyists and professionals alike. His hands-on contributions span firmware, UI tweaks for wearable devices (notably Bangle.js apps), and integrations that bring notifications, alarms, and media controls to companion apps like Gadgetbridge. Past roles at Collabora and Altera show deep expertise in optimizing graphics and system-level software on constrained platforms. Based in Oxford and educated at Cambridge, he blends pragmatic product thinking with low-level technical craftsmanship. An avid hardware/software tinkerer, he often pairs ESP32 and sensor work with polished UI improvements that prioritize readability and real-world usability.

26 years of coding experience

6 years of employment as a software developer

2:1 DDH, Computer Science, 2:1 DDH, Computer Science at University of Cambridge

Stackoverflow

Stats

1,876reputation

216kreached

24answers

30questions

Github Skills (28)

json10

javascript10

bluetooth-le10

user-interface10

android-development10

i2c10

btle10

sys10

system-integration10

sensor-fusion10

embedded10

js10

bluetooth-low-energy10

android-intent9

uid8

Programming languages (15)

JavaC++BikeshedCRustHTMLErlangTypeScript

Github contributions (5)

espruino/BangleApps

Oct 2019 - Jan 2023

Bangle.js App Loader (and Apps)

Role in this project:

Front-end Developer

Contributions:146 reviews, 3399 commits, 2047 PRs in 3 years 3 months

Contributions summary:Gordon's contributions primarily focused on modifying the messages app for the Bangle.js smartwatch, including changes to the UI, and display logic. These modifications involved adjusting the size of the message icons and the text rendering. The changes made were aimed at improving readability and user experience on the device. These commits demonstrate an understanding of the UI of the messages application, as well as some refactoring.

javascriptloadersmartwatchwebbluetooth

espruino/EspruinoDocs

Sep 2013 - Jan 2023

See http://espruino.com for the complete Espruino Documentation - many links in this repository will not work

Role in this project:

Embedded Systems Engineer

Contributions:5 reviews, 2317 commits, 394 PRs in 9 years 5 months

Contributions summary:Gordon's primary contributions involve the development of embedded systems with the ESP32. The code changes focus on building a wireless weather station using the Pixl.js, a Thingy:52 device, and an Arduino WIZnet adaptor. They set up the device, including initialising and configuring I2C, setting up the screen, and reading from the sensors. In particular, there are contributions for interfacing with the BME280, providing data interpretation and a visualization of the sensors data.

documentation-generatorespruinolinks

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