microcontrollers
Build a $29 Open-Source STM32F405 FOC Driver for BLDC Motors
Sirojudin Munir's SF-Motion FOC driver runs BLDC motors on an STM32F405, costs about $28.58 in parts, and ships KiCad files under the MIT license.
diy projects
Reverse Engineering a Cotton Candy Machine’s Robot Brain
A $6,400 cotton candy vending machine refused to run offline. One maker used ADB, SQLite and a patched APK to cut the cord and…
iot & smart home
Run Gemma AI Offline on a Raspberry Pi 5 with Google’s LiteRT
Google's LiteRT runs Gemma models on a Raspberry Pi 5 at 99 tokens/sec prefill in 1432 MB of RAM, with no cloud and no…
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,…
diy projects
Build a Classroom Robot with Adafruit CRICKIT and CircuitPython
One CRICKIT board turns a Circuit Playground or Feather into a motor-driving, servo-swinging robot brain, no soldering iron required. Here's how to start.
esp32 & esp8266
Inside the Runaway Mini Fridge Robot: Jetson, ESP32 and ROS 2
Dorian Todd's runaway mini fridge pairs an NVIDIA Jetson brain with an ESP32 spinal cord and ROS 2 vision to chase you down with…
esp32 & esp8266
Build an ESP32-Driven Robot That Hauls Your Beach Gear on Sand
John Boss built a skid-steer robot from an e-bike rack, two 350W motors, and an ESP32 that follows him across the sand hauling every…
robotics
Aliensense NXS Sends mikroBUS Sensors Down One Robot Cable
Aliensense's NXS hub pushes power, video, and sensor data over a single cable up to 40m, linking mikroBUS Clicks and MIPI cameras to your…
microcontrollers
Luxonis M8 Box: An RP2040 That Wires Edge AI to Machines
An RP2040 runs the I/O on Luxonis' new M8 Box, letting an edge AI camera flip 16 A relays and drive a CAN bus…
arduino
How These DIY Robot Legs Walk on an Arduino Mega 2560
Maker Oliver Paff built a working pair of walking humanoid robot legs using an Arduino Mega 2560, a PCA9685 driver, and eight hobby servos.…
raspberry pi
QuadBoat: Raspberry Pi Spider Robot That Rescues Swimmers
QuadBoat is a spider-inspired rescue robot that pulls drowning swimmers from the water, run by a Raspberry Pi 4 and a cluster of Arduino…
diy projects
Powered by Raspberry Pi: Smart Vivariums to Drone Shows
From reptile vivariums to Olympic drone shows and a 33-pound RP2350 kit, here's what the newest Powered by Raspberry Pi hardware can teach makers.