esp32 & esp8266
An ESP32-P4 Runs Doom While Claude Sonnet Fumbles the Controls
A 51-ray depth scan, an ASCII automap, and a WebSocket that freezes the game between moves. That is everything Claude Sonnet gets to survive…
esp32 & esp8266
ESPHome Firmware Cuts the Litter-Robot 4 Free From the Cloud
A PIC runs the motors, an ESP32 just bridges Wi-Fi to UART. Reflash that ESP32 with ESPHome and the litter box answers to Home…
robotics
Ice Dart: The Drone That Spikes Itself Onto a Drifting Iceberg
Canadian roboticists built a quadcopter that lands on slippery icebergs, drives retractable spines into the ice, and hangs on at a 60-degree tilt.
diy projects
Three Corroded WiiMotes, One Working Controller and an ESP32-S3
Three bug-infested, battery-acid-ruined WiiMotes went into the teardown. One working controller came out. Here is the cleanup chemistry and the I2C bus behind it.
diy projects
This LED Staff Turns a Teensy 4.1 Into a Handheld PoV Display
A Teensy 4.1, a strip of addressable LEDs and an IMU turn a hand-spun staff into a persistence-of-vision display. Here is how to build…
diy projects
PSU-EXT Makes Any Bench Power Supply Programmable via ESP32-S3
An open source ESP32-S3 box adds SCPI control, live current charts and protection limits to any 0-25 V bench supply, no teardown required.
diy projects
Teardown 2026: 450 Hardware Hackers Took Over Jupiter Hotel
Crowd Supply's Teardown 2026 packed 41 talks and 47 demo tables into one hotel. Here are the embedded, USB-C PD, and ESP32 bits worth…
microcontrollers
Axiometa’s AX22 Shield Turns Seeed XIAO Into a Solderless Rig
Two AX22 ports, a XIAO header, and no jumper wires: Axiometa's $9.99 shield swaps breadboard spaghetti for connectors that survive a whole semester.
diy projects
Louder ESP32: A $50 Multi-Room Audio Amp That Rivals Sonos
A $24 ESP32-S3 board with an onboard Class-D amp, a USB-PD trigger set to 20V, and Music Assistant add up to a networked stereo…
esp32 & esp8266
OpenMote Turns Your Old Wii Remote Into an ESP32 Smart Home Hub
A team gutted a dusty Wii Remote and dropped in an ESP32-S3 board, so the old wand can now fire Home Assistant scenes and…
esp32 & esp8266
ESP32-S3 WALL-E: An AI Desk Robot That Sees and Talks
Huy Vector's ESP32-S3 desk robot sees through a camera, chats by voice, and turns its head to face you. Here's how the vision, servos,…
esp32 & esp8266
ESP32 Bit Pirate v1.7 Adds Browser Tools and LoRa Debugging
ESP32 Bit Pirate v1.7 turns cheap Espressif boards into a Bus Pirate-style debug tool, now with in-browser WebUSB access and SX1262 LoRa packet sniffing.