New cohort of Cornell students turn in their Pico projects

Hunter Adams is a lecturer in electrical and computer engineering at Cornell University who has written his Digital Systems Design Using Microcontrollers course around RP2040. He gets in touch regularly to show us all the innovative gubbins his latest cohort has made, and this past semester delivered no fewer than 40 Raspberry Pi Pico–based projects.

Here’s a handful of our favourites:

Robot dog

Cucumber the robot dog can do the downward dog pose better than most yoga instructors. Cucumber is a Wi-Fi–controlled quadruped that follows you around, poses on command, barks, and displays personality.

Sisyphus sand table

This Sisyphus-inspired sand drawing table is more of a kinetic sculpture than a piece of furniture. It creates intricate patterns by dragging a steel ball through sand using a magnetic system beneath the table’s surface. This project caught our eye as it reminded us of Sisyphus Industries’ Raspberry Pi–powered works of art.

Pico-Fight video game

We absolutely love the hand-generated art in this video game called Pico-Fight. It’s a strategic two-person combat game inspired by the open source fighting game ‘Footsies’, and the sound effects and the artwork give just the nostalgia hit we needed.

Drawing robot

Linus the drawing robot is a 2D-drawing machine that uses a marker to draw inputted images in the line art style.

Audio localisation

And finally, for this impressive audio localisation project, students created a $20 acoustic camera that transforms sound delays into visual heat maps, revealing where noises originate in real time.

You can find a YouTube playlist full of student demonstrations for all 40 projects here, and a link to all their project webpages if you’d like to learn more about how they were made here.

Learn along with Cornell students

Hunter has also updated all of his lectures, and they’re available here for those who’d like to experience a taste of learning at Cornell University. These have expanded considerably since Hunter started teaching this course, and now include Raspberry Pico W content (like making Bluetooth servers, connecting to Wi-Fi, using UDP communication, etc.). They also include some fun lower-level stuff (the RP2040 boot sequence, how to write a bootloader), and some really interesting algorithms (FFTs, physics modelling, etc.). Something for everyone.

We’ve become firm friends with Hunter, and we’re always reminded of the rapid passage of time when he gets in touch each year to show us the latest slew of weirdly wonderful Raspberry Pi–powered creations by Cornell’s electrical engineering cohort. Blink and you’ll be reading the 2026 version of this blog. Hope you had a nice Christmas.

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