iot & smart home
Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard
iLabs' Challenger+ RP2350 NB-IoT puts a Raspberry Pi RP2350, cellular NB-IoT, and GNSS on one Feather board that fits a breadboard and charges over…
iot & smart home
NXP’s RW610FML Crams Wi-Fi 6, BLE, and a Cortex-M33 in One Module
NXP's RW610FML packs Wi-Fi 6, Bluetooth LE, and a 260MHz Cortex-M33 into one low-power module built for IoT sensor nodes and student builds.
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…
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.
arduino
Meet Pinch: A 32-Bit Arduino Board Smaller Than a Fingernail
The Moddo Pinch is a 32-bit Arduino-compatible dev board just 10.5 x 10.9 mm, packing a SAM D11, 15 GPIO pins, and an RGB…
microcontrollers
Moonshine Micro Puts Voice AI on a Sub-$1 RP2350 Chip
A new open-source toolkit squeezes voice detection, speech-to-text, and text-to-speech onto the sub-$1 RP2350, no cloud required.
diy projects
Porting Apache NuttX to the Adafruit Fruit Jam to Run Doom
A forum maker ported Apache NuttX to the Adafruit Fruit Jam, adding USB input and a DVI framebuffer to run LVGL demos and even…
diy projects
Build a Rotating UV Flame Scanner With the UVTRON R2868
A solar-blind UVTRON R2868 phototube on a spinning platform spots flames through dense brush from 15 meters. Here's the parts list and wiring.
diy projects
This DIY STM32L4 Smartwatch Puts Every Sensor in Your Control
A maker built an open-source STM32L4 smartwatch with a six-axis IMU, BLE, and USB-C mass storage, then released every line of firmware to fork.
3d printing
Build a 3D-Printed Fallout Laser Tag Blaster With a Pico 2 W
A maker spent a year turning a 3D printer and a Raspberry Pi Pico 2 W into an arcade-grade, Fallout-themed laser tag system. Here's…
boards & modules
RTShield HAT Brings Real-Time RP2350 Control to Raspberry Pi
The RTShield HAT adds an RP2350 microcontroller to your Raspberry Pi, giving Linux projects deterministic, real-time hardware control over a UART link.
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.