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Category: DIY Projects

DIY project write-ups by makers building with parts from Circuitrocks. Hardware list, code, and build photos.

Voicebox FX: A Pocket Audio Looper on the Feather RP2350
diy projects

Voicebox FX: A Pocket Audio Looper on the Feather RP2350

Adafruit's Voicebox FX records 20-second clips and warps them live with pitch, reverb and delay, all running CircuitPython on a Feather RP2350.

Ann Arandia Aug 6, 2026
This Giant 16×2 Character Display Runs on an RP2040 and 1,000 LEDs
diy projects

This Giant 16×2 Character Display Runs on an RP2040 and 1,000 LEDs

A maker rebuilt the classic 16×2 character LCD at 7x scale using 1,000+ addressable LEDs and an RP2040 that still speaks I2C to any…

Ann Arandia Aug 5, 2026
A Retro Game Console Crammed Inside an NES Gamepad (ESP32-S2)
diy projects

A Retro Game Console Crammed Inside an NES Gamepad (ESP32-S2)

Logic Gate Labs squeezed a full ESP32-S2 handheld emulator (and Doom) into an empty NES gamepad shell for about $17. Here is how the…

Ann Arandia Aug 5, 2026
Add Touch ID to Any Mac With a DIY ESP32-S3 Fingerprint Module
diy projects

Add Touch ID to Any Mac With a DIY ESP32-S3 Fingerprint Module

A developer built TinyTouch, an open source ESP32-S3 USB module that brings fingerprint unlock to any Mac, no pricey Apple keyboard needed. Here's how…

Ann Arandia Aug 5, 2026
Portable Commodore 64: A Raspberry Pi 3 Retro Handheld Build
diy projects

Portable Commodore 64: A Raspberry Pi 3 Retro Handheld Build

A Raspberry Pi 3 plus a Pico turns the classic Commodore 64 into a solder-free portable handheld you can wire up and play over…

Ann Arandia Aug 4, 2026
Build a Working Apollo DSKY Replica with Raspberry Pi and Arduino
diy projects

Build a Working Apollo DSKY Replica with Raspberry Pi and Arduino

A maker rebuilt the Apollo DSKY with a Raspberry Pi, Arduinos, and open-source VirtualAGC. Every CAD file and schematic is free, so you can…

Ann Arandia Aug 3, 2026
Build a Touchless ESP32 Theremin With Capacitive Touch Sensing
diy projects

Build a Touchless ESP32 Theremin With Capacitive Touch Sensing

An ESP32 turns hand distance into music with its capacitive touch pins and built-in DAC, no tuned oscillators or analog coils needed. Here's the…

Ann Arandia Aug 3, 2026
Build a Handheld Commodore 64 on a Raspberry Pi 3 and Pico
diy projects

Build a Handheld Commodore 64 on a Raspberry Pi 3 and Pico

YouTuber Retro Dad crammed a full Commodore 64 into a Raspberry Pi 3 handheld, with a Pi Pico bridging authentic 9-pin joystick ports. No…

Ann Arandia Aug 2, 2026
Fruit Jam RP2350: Build a Retro Mini-Computer You Can Learn On
diy projects

Fruit Jam RP2350: Build a Retro Mini-Computer You Can Learn On

The Adafruit Fruit Jam RP2350 kit becomes a Mac Classic, Apple IIe, NES, or CP/M box, making a whole computer's layers visible to students.

Ann Arandia Aug 2, 2026
Open Sauce 2026: Maker Builds You Can Recreate This Weekend
diy projects

Open Sauce 2026: Maker Builds You Can Recreate This Weekend

Seven takeaways from Open Sauce 2026, plus how to recreate the show floor's cleverest ESP32 and Raspberry Pi builds on your own desk this…

Ann Arandia Jul 31, 2026
Building a Handheld Commodore 64 on a Raspberry Pi 3 and Pico
diy projects

Building a Handheld Commodore 64 on a Raspberry Pi 3 and Pico

Retro Dad packed a full Commodore 64 into a Raspberry Pi 3 handheld, with real joystick ports, a Pico signal bridge, and no soldering…

Ann Arandia Jul 29, 2026
Build a Spinning Mechanical TV with a Raspberry Pi Pico
diy projects

Build a Spinning Mechanical TV with a Raspberry Pi Pico

A Raspberry Pi Pico, an A4988 stepper driver, and five LEDs turn a spinning pin-holed disk into a real 20-row video display. Here is…

Ann Arandia Jul 28, 2026
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