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Category: Microcontrollers

// New arrivals, announcements, and life at Circuitrocks.

Build Your Own Bop It Clone with the Feather RP2040 PropMaker
3d printing

Build Your Own Bop It Clone with the Feather RP2040 PropMaker

A maker rebuilt the frantic 90s Bop It as a handheld reaction game on the Feather RP2040 PropMaker, with five sensors, NeoPixels and a…

Ann Arandia Jun 18, 2026
Build a Handheld GPS Compass on the Adafruit Feather RP2350
diy projects

Build a Handheld GPS Compass on the Adafruit Feather RP2350

Turn a Feather RP2350, a 9-DoF IMU, and a GPS module into a pocket navigator that draws a live compass rose and never needs…

Ann Arandia Jun 15, 2026
diy projects

Adafruit Feather Builds: A GPS Compass and a Pocket Game Console

A GPS compass that always points you home and a Feather-powered handheld game console — broken down into stackable, weekend-friendly maker builds.

Ann Arandia Jun 11, 2026
Build This Coin-Sized RP2040 Media Controller for Your Desk
3d printing

Build This Coin-Sized RP2040 Media Controller for Your Desk

A maker shrank a full media controller down to coin size with an RP2040-Zero and CircuitPython. Here's how the tiny plug-and-play knob works.

Ann Arandia Jun 10, 2026
Meet the G2 Nano: A 1GHz Dev Board Built for Robotics
microcontrollers

Meet the G2 Nano: A 1GHz Dev Board Built for Robotics

The G2 Nano packs a 1GHz Cortex-M7, dual-band Wi-Fi, and a six-axis IMU into a breadboard-sized board built to drive serious multi-motor robotics.

Ann Arandia May 28, 2026
M5Stack StopWatch Dev Kit Crams ESP32-S3 Into a Smart Pocket Watch
microcontrollers

M5Stack StopWatch Dev Kit Crams ESP32-S3 Into a Smart Pocket Watch

M5Stack's $45 StopWatch Dev Kit squeezes an ESP32-S3R8, AMOLED touchscreen, 6-axis IMU, RTC, mic and speaker into a pocketwatch-sized maker board.

Ann Arandia May 24, 2026
RP2040 Wristwatch Tells Time With a Vintage VU Meter Needle
diy projects

RP2040 Wristwatch Tells Time With a Vintage VU Meter Needle

Meet the one-needle wristwatch that pairs a vintage VU meter with a Raspberry Pi RP2040 to show time, date, and day across printed analog…

Ann Arandia May 23, 2026
CircuitPython 10.2.1, CERN’s Free KiCad Library & RP2040 PIO Simulator
microcontrollers

CircuitPython 10.2.1, CERN’s Free KiCad Library & RP2040 PIO Simulator

CircuitPython 10.2.1 just dropped with crash fixes, CERN open-sourced 17,000 KiCad parts, and a slick RP2040 PIO simulator joined the lineup.

Ann Arandia May 20, 2026
CircuitPython 10.2.1 Released: Bugfixes and MagTag 2025 Display Boost
microcontrollers

CircuitPython 10.2.1 Released: Bugfixes and MagTag 2025 Display Boost

CircuitPython 10.2.1 lands with crucial display crash fixes, improved MagTag 2025 support, and refreshed frozen modules across the stable ports.

Ann Arandia May 13, 2026
RP2350 Roundup: 6 Standout Pico-Style Boards Worth a Look in 2026
microcontrollers

RP2350 Roundup: 6 Standout Pico-Style Boards Worth a Look in 2026

From AMOLED touchscreens to Ethernet jacks, six standout RP2350 boards push the Raspberry Pi Pico 2 chip into wearables, robotics, and IoT builds.

Ann Arandia May 12, 2026
ROBO CORE+ Brings a Built-In Lab to Arduino-Compatible Prototyping
arduino

ROBO CORE+ Brings a Built-In Lab to Arduino-Compatible Prototyping

Meet ROBO CORE+, an Arduino UNO-compatible board packing onboard Wi-Fi, a 12-bit DAC, and a browser-based oscilloscope you can run right from your laptop.

Ann Arandia May 9, 2026

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