Seb Lee-Delisle

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Calling all speakers! A hardware button to toggle display mirroring

I’ve been really frustrated that my favourite keyboard shortcut to toggle display mirroring doesn’t work on TouchBar MacBooksso I’ve made a button that can emulate it! Of course since I’ve got this working I’ve discovered there’s a weird work-around to … There’s more

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Keyboard shortcut for “Mirror Displays” on Touchbar MacBook

It’s kind of a niche requirement but very important for someone like me who has does presentations with keynote split on two screens to running demos that need to be mirrored. It was always Cmd-F1 on any non-touchbar equipped Mac, … There’s more

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Fading LEDs with PWM on all pins with Pi Zero & Node.js

I’ve been converting my ST4i workshop from Arduino to Node.js/Raspberry Pi and one of limitations is a lack of built-in PWM pins. PWM or Pulse Width Modulation can be used to fade LEDs up and down rather than just turn … There’s more

Posted in Node.js, Raspberry Pi, ST4I | 2 Comments

Controlling 7 segment LED displays on Raspberry Pi with Node.js

As part of the preparation for my upcoming workshops (last two tickets left!) , I’ve been working on writing Node.js code to drive various bits of hardware that are included in the free kit that comes with the course. So … There’s more

Posted in Node.js, Raspberry Pi, ST4I | Comments Off on Controlling 7 segment LED displays on Raspberry Pi with Node.js