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circuitrocks

Distributor of Arduino, Adafruit, Raspberry Pi Components

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Build a Digital Nose: an SGP30 Sensor That Sniffs Out Spoiled Milk
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Build a Digital Nose: an SGP30 Sensor That Sniffs Out Spoiled Milk

#sensors #sgp30 #circuitpython #i2c
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2 min read
A XIAO ESP32-S3 Clock Hiding Inside a Fake Linksys WRT Router
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A XIAO ESP32-S3 Clock Hiding Inside a Fake Linksys WRT Router

#esp32 #xiaoesp32s3 #ntpclock #wifi
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2 min read
Microduck: A $399 Open-Source Biped Robot for Physical AI Labs
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Microduck: A $399 Open-Source Biped Robot for Physical AI Labs

#robotics #physicalai #reinforcementlearning #huggingface
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2 min read
TinyML on a Raspberry Pi 3: LesionIQ Scans Skin Lesions Offline
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TinyML on a Raspberry Pi 3: LesionIQ Scans Skin Lesions Offline

#raspberrypi #tinyml #machinelearning #edgeai
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2 min read
How ExpressLRS Squeezes Kilometers Out of a 1-Watt ESP32 Link
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How ExpressLRS Squeezes Kilometers Out of a 1-Watt ESP32 Link

#esp32 #lora #rfdesign #expresslrs
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2 min read
An ESP32-P4 Runs Doom While Claude Sonnet Fumbles the Controls
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An ESP32-P4 Runs Doom While Claude Sonnet Fumbles the Controls

#esp32 #esp32p4 #doom #embeddedai
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2 min read
LiteRT on Raspberry Pi 5: Run Gemma and Vision Models Locally
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LiteRT on Raspberry Pi 5: Run Gemma and Vision Models Locally

#raspberrypi #edgeai #machinelearning #litert
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2 min read
NVIDIA Jetson Orin Nano 2 Packs 78 TOPS Into a 15-Watt Board
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NVIDIA Jetson Orin Nano 2 Packs 78 TOPS Into a 15-Watt Board

#nvidiajetson #edgeai #robotics #singleboardcomputer
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2 min read
DIY PLC on a PocketBeagle 2: Is a $1,000 Allen-Bradley Fair?
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DIY PLC on a PocketBeagle 2: Is a $1,000 Allen-Bradley Fair?

#plc #industrialautomation #pocketbeagle #embedded
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2 min read
Arduino VENTUNO Q: 8-Core Dragonwing SBC With an STM32 Sidekick
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Arduino VENTUNO Q: 8-Core Dragonwing SBC With an STM32 Sidekick

#arduino #singleboardcomputer #qualcomm #stm32
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2 min read
How a DIY 1S FPV Quadcopter Reached 5 km and 34 Minutes Aloft
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How a DIY 1S FPV Quadcopter Reached 5 km and 34 Minutes Aloft

#fpvdrone #quadcopter #expresslrs #batteries
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2 min read
ESPHome Firmware Cuts the Litter-Robot 4 Free From the Cloud
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ESPHome Firmware Cuts the Litter-Robot 4 Free From the Cloud

#esp32 #esphome #homeassistant #iot
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2 min read
Build Your Own Cyberdeck: A Raspberry Pi 5 Power Budget Guide
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Build Your Own Cyberdeck: A Raspberry Pi 5 Power Budget Guide

#raspberrypi #cyberdeck #singleboardcomputer #powersupply
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2 min read
RFGEN44: An Open 4.4GHz RF Signal Generator on a PIC16
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RFGEN44: An Open 4.4GHz RF Signal Generator on a PIC16

#rf #signalgenerator #adf4351 #pic16
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2 min read
A Homebrew Motorola 68000 Gets Two Working PCI Slots at 10 MHz
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A Homebrew Motorola 68000 Gets Two Working PCI Slots at 10 MHz

#retrocomputing #fpga #cpld #motorola68000
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2 min read
Ice Dart: The Drone That Spikes Itself Onto a Drifting Iceberg
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Ice Dart: The Drone That Spikes Itself Onto a Drifting Iceberg

#robotics #drones #sensors #embedded
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3 min read
Three Corroded WiiMotes, One Working Controller and an ESP32-S3
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Three Corroded WiiMotes, One Working Controller and an ESP32-S3

#repair #retrogaming #esp32 #i2c
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2 min read
This LED Staff Turns a Teensy 4.1 Into a Handheld PoV Display
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This LED Staff Turns a Teensy 4.1 Into a Handheld PoV Display

#led #teensy #esp32 #povdisplay
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2 min read
NVIDIA Retires Jetson Xavier: What ECE Students Should Buy Now
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NVIDIA Retires Jetson Xavier: What ECE Students Should Buy Now

#nvidiajetson #edgeai #robotics #embedded
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2 min read
Clough42's GPS Clock Spins Its Numbers with a Pico and TMC2208
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Clough42's GPS Clock Spins Its Numbers with a Pico and TMC2208

#raspberrypipico #gps #steppermotor #mechatronics
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2 min read
PSU-EXT Makes Any Bench Power Supply Programmable via ESP32-S3
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PSU-EXT Makes Any Bench Power Supply Programmable via ESP32-S3

#esp32 #powersupply #scpi #testequipment
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2 min read
HIRO Gen 2: A Raspberry Pi Pico 2 Spider Robot Kit You Wire Yourself
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HIRO Gen 2: A Raspberry Pi Pico 2 Spider Robot Kit You Wire Yourself

#raspberrypipico #robotics #rp2350 #servo
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2 min read
Adafruit GP8403 I2C DAC Pushes Analog Output All the Way to 10V
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Adafruit GP8403 I2C DAC Pushes Analog Output All the Way to 10V

#dac #i2c #arduino #raspberrypi
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2 min read
Build a Raspberry Pi Iris Colour Detector with OpenCV
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Build a Raspberry Pi Iris Colour Detector with OpenCV

#raspberrypi #opencv #computervision #cameramodule
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2 min read
PwrBlock 323: An STM32 Programmable PSU Built Into Your Test Rig
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PwrBlock 323: An STM32 Programmable PSU Built Into Your Test Rig

#stm32 #powersupply #testautomation #embedded
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2 min read
Upline Puts an ATtiny85 Online Using 4,060 Bytes of Flash
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Upline Puts an ATtiny85 Online Using 4,060 Bytes of Flash

#attiny85 #arduino #iot #microcontrollers
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2 min read
BrainBoard1500 Puts Neuromorphic AI on an Arduino Nicla Board
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BrainBoard1500 Puts Neuromorphic AI on an Arduino Nicla Board

#neuromorphic #brainchip #arduinonicla #embeddedai
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2 min read
Teardown 2026: 450 Hardware Hackers Took Over Jupiter Hotel
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Teardown 2026: 450 Hardware Hackers Took Over Jupiter Hotel

#esp32 #openhardware #embedded #makers
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2 min read
Build a $29 Open-Source STM32F405 FOC Driver for BLDC Motors
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Build a $29 Open-Source STM32F405 FOC Driver for BLDC Motors

#stm32 #bldc #foc #motordriver
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2 min read
This Arduino Nano-Sized Board Packs a 300 MHz Cortex-M7 Chip
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This Arduino Nano-Sized Board Packs a 300 MHz Cortex-M7 Chip

#arduino #armcortexm7 #pcbdesign #microcontrollers
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2 min read
MIT-Licensed STM32C5 BluePill Clone Runs Oberon-2 Instead of C
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MIT-Licensed STM32C5 BluePill Clone Runs Oberon-2 Instead of C

#stm32 #microcontrollers #kicad #embeddedprogramming
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2 min read
Axiometa's AX22 Shield Turns Seeed XIAO Into a Solderless Rig
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Axiometa's AX22 Shield Turns Seeed XIAO Into a Solderless Rig

#seeedxiao #microcontrollers #prototyping #esp32
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2 min read
Build a Pocket Route Finder on Raspberry Pi Pico with Dijkstra
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Build a Pocket Route Finder on Raspberry Pi Pico with Dijkstra

#raspberrypipico #micropython #algorithms #rp2040
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2 min read
This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs
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This $155 Open-Source 6-DoF Stylus Replaces $5,000 Mocap Rigs

#opensourcehardware #pcbdesign #diyelectronics #motiontracking
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2 min read
WCH's CH32V407 Brings Vector Extensions to a $2.40 RISC-V MCU
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WCH's CH32V407 Brings Vector Extensions to a $2.40 RISC-V MCU

#riscv #microcontrollers #ch32 #embedded
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3 min read
Reverse Engineering a Cotton Candy Machine's Robot Brain
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Reverse Engineering a Cotton Candy Machine's Robot Brain

#reverseengineering #robotics #android #embedded
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2 min read
Run Gemma AI Offline on a Raspberry Pi 5 with Google's LiteRT
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Run Gemma AI Offline on a Raspberry Pi 5 with Google's LiteRT

#raspberrypi #edgeai #gemma #litert
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2 min read
Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather
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Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather

#rp2040 #neopixel #circuitpython #wearables
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2 min read
This ATmega328P Clock Keeps Swatch's Failed Internet Time Alive
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This ATmega328P Clock Keeps Swatch's Failed Internet Time Alive

#atmega328p #ds3231 #rtc #arduino
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2 min read
ESPHome Starter Kit: ESP32-C6 Smart Home, Zero Soldering
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ESPHome Starter Kit: ESP32-C6 Smart Home, Zero Soldering

#esphome #esp32c6 #homeassistant #iot
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2 min read
Raspberry Pi Book of Making 2027: A Weekend Build Queue
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Raspberry Pi Book of Making 2027: A Weekend Build Queue

#raspberrypi #raspberrypipico #diyelectronics #pcbdesign
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2 min read
Louder ESP32: A $50 Multi-Room Audio Amp That Rivals Sonos
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Louder ESP32: A $50 Multi-Room Audio Amp That Rivals Sonos

#esp32 #diyaudio #homeassistant #iot
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2 min read
XCORE-VISION: Real-Time Embedded Vision, No Pi Needed
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XCORE-VISION: Real-Time Embedded Vision, No Pi Needed

#xcorevision #xmos #computervision #embedded
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2 min read
OpenMote Turns Your Old Wii Remote Into an ESP32 Smart Home Hub
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OpenMote Turns Your Old Wii Remote Into an ESP32 Smart Home Hub

#esp32 #smarthome #iot #homeassistant
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2 min read
XCORE-VISION: On-Device AI Camera Vision, No Raspberry Pi
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XCORE-VISION: On-Device AI Camera Vision, No Raspberry Pi

#xcorevision #xmos #computervision #embeddedai
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2 min read
Forlinx AM62L32 Local EVM: Industrial SBC on One Board
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Forlinx AM62L32 Local EVM: Industrial SBC on One Board

#forlinx #am62l32 #singleboardcomputer #embedded
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2 min read
ESP32-S3 WALL-E: An AI Desk Robot That Sees and Talks
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ESP32-S3 WALL-E: An AI Desk Robot That Sees and Talks

#esp32 #robotics #ai #animatronics
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2 min read
Ben Eater Builds a Breadboard Clock Timed by 60 Hz Wall Power
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Ben Eater Builds a Breadboard Clock Timed by 60 Hz Wall Power

#beneater #digitalclock #breadboard #comparator
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2 min read
ESP32 Bit Pirate v1.7 Adds Browser Tools and LoRa Debugging
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ESP32 Bit Pirate v1.7 Adds Browser Tools and LoRa Debugging

#esp32 #lora #debugging #embedded
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2 min read
Build a Wi-Fi NeoPixel Art Display with the Raspberry Pi Pico 2W
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Build a Wi-Fi NeoPixel Art Display with the Raspberry Pi Pico 2W

#raspberrypipico #neopixel #wifi #micropython
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2 min read
MaTouch ESP32-S3 MaUWB: UWB Indoor Positioning On-Screen
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MaTouch ESP32-S3 MaUWB: UWB Indoor Positioning On-Screen

#esp32 #uwb #indoorpositioning #sensors
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2 min read
Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard
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Challenger+ RP2350 NB-IoT: Cellular IoT on a Breadboard

#raspberrypi #rp2350 #nbiot #iot
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2 min read
A Raspberry Pi Zero Cyberdeck That Fits Inside an Altoids Tin
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A Raspberry Pi Zero Cyberdeck That Fits Inside an Altoids Tin

#raspberrypi #raspberrypizero #cyberdeck #rp2040
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2 min read
Build a Classroom Robot with Adafruit CRICKIT and CircuitPython
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Build a Classroom Robot with Adafruit CRICKIT and CircuitPython

#robotics #adafruit #circuitpython #crickit
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2 min read
Inside the Runaway Mini Fridge Robot: Jetson, ESP32 and ROS 2
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Inside the Runaway Mini Fridge Robot: Jetson, ESP32 and ROS 2

#robotics #esp32 #jetson #ros2
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2 min read
NXP's RW610FML Crams Wi-Fi 6, BLE, and a Cortex-M33 in One Module
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NXP's RW610FML Crams Wi-Fi 6, BLE, and a Cortex-M33 in One Module

#nxp #wifi6 #bluetoothle #microcontroller
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2 min read
SPOKE: The RP2040 Touch Controller That Plays Music From Fruit
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SPOKE: The RP2040 Touch Controller That Plays Music From Fruit

#rp2040 #circuitpython #midicontroller #capacitivetouch
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2 min read
Build a Retro Handheld Inside an NES Gamepad with an ESP32-S2
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Build a Retro Handheld Inside an NES Gamepad with an ESP32-S2

#esp32 #retrogaming #emulator #diyelectronics
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2 min read
Antmicro Open-Sources KiCad Files for a 10GbE Thunderbolt NIC
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Antmicro Open-Sources KiCad Files for a 10GbE Thunderbolt NIC

#opensourcehardware #kicad #pcbdesign #ethernet
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2 min read
DOGS2: A Palm-Sized ESP32 Bench Lab You Can Build This Weekend
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DOGS2: A Palm-Sized ESP32 Bench Lab You Can Build This Weekend

#esp32 #diyelectronics #powersupply #signalgenerator
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2 min read
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