microcontrollers
LattePanda Sigma 2: 64GB Board with an RP2350 Real-Time Co-Processor
LattePanda's Sigma 2 pairs an Intel Core Ultra X7 with an RP2350 microcontroller for real-time control. Here is what it means for robot and…
arduino
Arduino UNO Q Gets a Touch Library for Adafruit’s 2.8in TFT Shield
Old Uno touchscreen shields break on new boards when SPI pins move. This library remaps them for the Arduino UNO Q and handles FT6206…
diy projects
Raspberry Jams Bring Python and Robots to Rural Argentina
Teacher Eliana Otrera runs Raspberry Jams across rural Argentina, teaching Python, Minecraft and robots on Pis. Here is how to copy her setup in…
arduino
Arduino App Lab 0.11: Phone IMU Streaming and Pose Bricks
Arduino App Lab 0.11 adds exportable Apps Releases, phone mic and IMU streaming, Hugging Face models and a 17-point pose Brick. Here is what…
diy projects
A Touchscreen Woven Into Fabric: 96 LEDs per Fiber, Washable
NUS researchers wove 54 LED fibers into a sleeve that plays video, senses touch and survives 50 washes. See how it works and a…
diy projects
Doom Runs on a $30 Clamp Meter With Just 32 KB of RAM
A $30 clamp meter with 32 KB of RAM now runs Doom natively. Here is how the port works and what to try on…
diy projects
Build a Motion-Triggered Haunted Box with an ESP32 This Weekend
A PIR sensor, a servo and a red LED stick turn an ESP32 into a jump-scare box. Here is the parts list and the…
diy projects
ESP32-C5 Becomes a 5.8 GHz FPV Receiver with 7 Resistors
C5VRX-5 turns a XIAO ESP32-C5 and seven resistors into a 5.8 GHz analog FPV receiver. See how it works and the resistor DAC trick…
diy projects
Weekend Build: An Apollo Guidance Computer DSKY on Raspberry Pi
An avionics engineer runs the Apollo 13 software on a Raspberry Pi inside a 1:1 DSKY replica. Here's how to try a small version…
esp32 & esp8266
ESP-Mosaico: Espressif’s $59 Board Where AI Writes the Firmware
Espressif's ESP-Mosaico pairs an ESP32-S31 with a 480x480 AMOLED so AI agents can write, flash, and test firmware on real hardware for US$59.
diy projects
Weekend Build: Give Your Plant a Tamagotchi Face with ESP32
CMU's OATs put an ESP32-S3 and E Ink face on plants and fridges. See the parts, the sub-$20 cost, and how to build a…
diy projects
Run an SSH Server on an RP2040 Pico with Ethernet
Ricardo Marques runs an SSH server on an RP2040 with a W5500 Ethernet chip, giving a Pico encrypted remote control over the LAN. Here…