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Articles Tagged “Open Source Hardware”

81 articles found

Cover illustration for Q8botOne Robot Dog: A Palm-Sized Open ESP32-C3 Quadruped
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Mini Computers

Q8botOne Robot Dog: A Palm-Sized Open ESP32-C3 Quadruped

Q8botOne is a palm-sized open-source robot dog with an ESP32-C3 brain and 8 DYNAMIXEL actuators, from $199 as a kit or $599 assembled on Crowd Supply.

Alex Circuit
Alex Circuit★Oct 9, 2026★3 min read
Cover illustration for Gearotons M17: A $20 Open-Source Servo for Pi Robots
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Mini Computers

Gearotons M17: A $20 Open-Source Servo for Pi Robots

The Gearotons M17 packs a motor, driver, controller and encoder into one NEMA 17 body from $20, with Python libraries for Raspberry Pi and Arduino.

Alex Circuit
Alex Circuit★Sep 23, 2026★4 min read
Cover illustration for Ovis Edge AI Camera Module Ships 1.5 TOPS for $59
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Mini Computers

Ovis Edge AI Camera Module Ships 1.5 TOPS for $59

The open-source Ovis camera module pairs a CVITEK CV1842H-P with 1.5 TOPS of INT8 compute and 1080p full-colour night vision, from about $59.

Alex Circuit
Alex Circuit★Sep 20, 2026★5 min read
Cover illustration for OpenMote Is a $99 ESP32-S3 Universal Remote You Can Hack
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Mini Computers

OpenMote Is a $99 ESP32-S3 Universal Remote You Can Hack

OpenMote packs an ESP32-S3, a learning IR transceiver, a 6-axis IMU and ESPHome into a Wiimote-shaped remote, with a $59 kit and a $99 assembled unit.

Alex Circuit
Alex Circuit★Sep 19, 2026★6 min read
Cover illustration for WLV-01 Puts Swappable Sensors on a Raspberry Pi 5
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Mini Computers

WLV-01 Puts Swappable Sensors on a Raspberry Pi 5

The WLV-01 is a hackable Raspberry Pi 5 camera with swappable color and mono sensors up to Micro Four Thirds, with kits starting around $259.

Alex Circuit
Alex Circuit★Sep 18, 2026★6 min read
Cover illustration for Raspberry Pi Pico Powers a DIY Blood Lab Centrifuge
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Mini Computers

Raspberry Pi Pico Powers a DIY Blood Lab Centrifuge

A Raspberry Pi Pico, a drone motor and roughly $50 in parts drive an open-source centrifuge built to spin blood at 400 g for cancer research.

Alex Circuit
Alex Circuit★Sep 18, 2026★5 min read
Cover illustration for TICKEY Puts 48-Color E-Paper on an ESP32-S3 Badge
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Mini Computers

TICKEY Puts 48-Color E-Paper on an ESP32-S3 Badge

ENIAC's TICKEY is a 3.8mm clip-on badge with a 3.7-inch 720x480 48-colour e-paper panel and an ESP32-S3, starting near $50 with open firmware.

Alex Circuit
Alex Circuit★Sep 18, 2026★5 min read
Cover illustration for OpenMANET Runs Video Over Wi-Fi HaLow Mesh Networks
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Mini Computers

OpenMANET Runs Video Over Wi-Fi HaLow Mesh Networks

OpenMANET pushes 1-15 Mbps over 802.11ah mesh on a Raspberry Pi 4, adding voice, RTSP video and full IP where Meshtastic sends only short text.

Alex Circuit
Alex Circuit★Sep 16, 2026★5 min read
Cover illustration for JetKVM Mini Cuts IP KVM Cost to $39 With ESP32-P4X
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Mini Computers

JetKVM Mini Cuts IP KVM Cost to $39 With ESP32-P4X

JetKVM Mini drops Linux for FreeRTOS on an ESP32-P4X, landing a 42mm IP KVM with HDMI capture and WebRTC streaming at $39, or $33 in a 3-pack.

Alex Circuit
Alex Circuit★Sep 14, 2026★5 min read
Cover illustration for Olimex Neo6502kbd Puts a Real 6502 CPU in a Keyboard
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Mini Computers

Olimex Neo6502kbd Puts a Real 6502 CPU in a Keyboard

Olimex's 50-euro Neo6502kbd hides a real W65C02 CPU and an RP2040 in a keyboard case with four USB hosts, HDMI output and fully open KiCad schematics.

Alex Circuit
Alex Circuit★Sep 13, 2026★4 min read
Cover illustration for NeoEyes NE302 Puts 600 GOPS of Vision AI on USB-C Power
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Mini Computers

NeoEyes NE302 Puts 600 GOPS of Vision AI on USB-C Power

CamThink's NeoEyes NE302 is a $99 fanless edge AI camera: STM32N6 at 800 MHz, a 600 GOPS Neural-ART NPU, Wi-Fi 6, and USB-C power in a 42 mm cube.

Alex Circuit
Alex Circuit★Sep 12, 2026★5 min read
Cover illustration for Arduino UNO Media Carrier Adds Two Cameras for $19.25
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Mini Computers

Arduino UNO Media Carrier Adds Two Cameras for $19.25

Arduino's $19.25 UNO Media Carrier adds two MIPI CSI camera ports, a MIPI DSI display connector and three audio jacks to the UNO Q and VENTUNO Q.

Alex Circuit
Alex Circuit★Sep 10, 2026★4 min read
Cover illustration for FREE-WILi 2 Packs Two RP2350s and an FPGA in One Tool
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Mini Computers

FREE-WILi 2 Packs Two RP2350s and an FPGA in One Tool

The $400 FREE-WILi 2 open hardware multitool pairs two RP2350 chips, an ESP32-C5, an iCE40 FPGA and a Raspberry Pi CM0 running 64-bit Linux.

Alex Circuit
Alex Circuit★Sep 10, 2026★6 min read
Cover illustration for YuzukiNeko Runs Linux on a Pi Pico-Sized RISC-V Board
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Mini Computers

YuzukiNeko Runs Linux on a Pi Pico-Sized RISC-V Board

The YuzukiNeko squeezes a Linux-capable Allwinner F101 RISC-V chip into a Raspberry Pi Pico footprint, with 16MB PSRAM and open hardware files.

Alex Circuit
Alex Circuit★Sep 8, 2026★5 min read
Cover illustration for OpenTrailPaper Turns a $90 E-Paper Devkit Into Bike GPS
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Mini Computers

OpenTrailPaper Turns a $90 E-Paper Devkit Into Bike GPS

OpenTrailPaper is open-source firmware turning a $90 LILYGO ESP32-S3 devkit into a 4.7-inch offline GPS bike computer with LoRa and .FIT recording.

Alex Circuit
Alex Circuit★Sep 6, 2026★5 min read
Cover illustration for Petoi Quaddle Is a $99 ESP32 Robot Dog for Physical AI
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Mini Computers

Petoi Quaddle Is a $99 ESP32 Robot Dog for Physical AI

The Petoi Quaddle packs an ESP32-S3 motion core, four servos and full ROS support into a 170g robot dog starting at $99, shipping December 2026.

Alex Circuit
Alex Circuit★Sep 4, 2026★6 min read
Cover illustration for ESP32-P4 Weather Station Adds LoRa Air Quality Nodes
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Mini Computers

ESP32-P4 Weather Station Adds LoRa Air Quality Nodes

A DIY ESP32-P4 weather station drives a 10.1-inch touchscreen, LoRa sensor nodes and a SEN66 air quality sensor for roughly $185 in main-unit parts.

Alex Circuit
Alex Circuit★Sep 3, 2026★6 min read
Cover illustration for ArmSoM Sige6 Solders 128GB of eMMC Onto a $119 SBC
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Mini Computers

ArmSoM Sige6 Solders 128GB of eMMC Onto a $119 SBC

The ArmSoM Sige6 pairs an Allwinner A733 with up to 128GB of soldered eMMC, 16GB of LPDDR5 and an M.2 NVMe slot, with pre-orders starting at $119.

Alex Circuit
Alex Circuit★Sep 1, 2026★5 min read
Cover illustration for Radxa Linkr Packs a Full IP KVM Into a USB Stick
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Mini Computers

Radxa Linkr Packs a Full IP KVM Into a USB Stick

The $59 Radxa Linkr is a 70mm IP KVM with 2K HDMI capture, Wi-Fi 6, Tailscale support and a 1 TOPS NPU — remote BIOS access in a thumb-drive body.

Alex Circuit
Alex Circuit★Aug 31, 2026★5 min read
Cover illustration for USB-C Deskradar Turns an ESP32-C3 Into Flight Radar
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Mini Computers

USB-C Deskradar Turns an ESP32-C3 Into Flight Radar

A 1.28-inch round display and an ESP32-C3 make a live ADS-B flight tracker for about $27 — or under $10 if you build it from parts yourself.

Alex Circuit
Alex Circuit★Aug 28, 2026★4 min read
Cover illustration for Microduck Is a $399 Open Source Robot You Can Retrain
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Mini Computers

Microduck Is a $399 Open Source Robot You Can Retrain

Hugging Face and Pollen Robotics launched Microduck, a 25cm biped with 15 motors, LiDAR and an Apache 2.0 reinforcement learning stack, for $399.

Alex Circuit
Alex Circuit★Aug 27, 2026★5 min read
Cover illustration for HomeMaster MiniPLC Puts ESPHome on a 9-Module DIN Rail
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Mini Computers

HomeMaster MiniPLC Puts ESPHome on a 9-Module DIN Rail

The $324 HomeMaster MiniPLC is an ESP32 DIN-rail controller with 6 relays, RS-485 Modbus and ESPHome preinstalled for local Home Assistant control.

Alex Circuit
Alex Circuit★Aug 27, 2026★5 min read
Cover illustration for Firehat HAT Brings FireWire DV Capture to Raspberry Pi
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Mini Computers

Firehat HAT Brings FireWire DV Capture to Raspberry Pi

The $79 Firehat is an open-source FireWire HAT that digitizes MiniDV, Digital8 and HDV tapes straight from a Raspberry Pi 5, with no laptop needed.

Alex Circuit
Alex Circuit★Aug 26, 2026★5 min read
Cover illustration for MNT Station Puts 10+ Swappable CPU Modules in a Mini PC
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Mini Computers

MNT Station Puts 10+ Swappable CPU Modules in a Mini PC

MNT Research's fanless MNT Station takes 10 or more Arm and FPGA modules, starts at $299 for the case, and ships from Crowd Supply in January 2027.

Alex Circuit
Alex Circuit★Aug 24, 2026★5 min read
Cover illustration for Openterface KeyMod Turns Your Phone Into a Keyboard
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Mini Computers

Openterface KeyMod Turns Your Phone Into a Keyboard

The $42 Openterface KeyMod turns a phone into a USB keyboard, mouse, gamepad, or SSH terminal for any PC, server, or Raspberry Pi board, even at the BIOS.

Alex Circuit
Alex Circuit★Aug 24, 2026★4 min read
Cover illustration for Framework Laptop 12 Upgrade Adds 70% More Battery
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Mini Computers

Framework Laptop 12 Upgrade Adds 70% More Battery

Framework's Laptop 12 gains an Intel Core Series 3 mainboard, Thunderbolt 4, and Wi-Fi 7, with DIY kits from $549 and Fedora prebuilts at $699.

Alex Circuit
Alex Circuit★Aug 23, 2026★5 min read
Cover illustration for Raspberry Pi CM5 Jig Flashes Modules With No Carrier
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Mini Computers

Raspberry Pi CM5 Jig Flashes Modules With No Carrier

The official $600 Raspberry Pi CM5 programming jig flashes Compute Modules with secure boot and disk encryption without needing a carrier board.

Alex Circuit
Alex Circuit★Aug 20, 2026★4 min read
Cover illustration for PwrBlock 323 Is a $230 Programmable USB-C PD Supply
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Mini Computers

PwrBlock 323 Is a $230 Programmable USB-C PD Supply

The open-hardware PwrBlock 323 turns a 100W USB-C PD charger into a scriptable 1-32V bench supply for test fixtures, at $230 on Crowd Supply.

Alex Circuit
Alex Circuit★Aug 20, 2026★4 min read
Cover illustration for USBridge-KVM 2.0 Brings BIOS Access Over SSH
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Mini Computers

USBridge-KVM 2.0 Brings BIOS Access Over SSH

The $219 USBridge-KVM 2.0 is an open-source IP-KVM built on a Radxa Zero 3W that turns graphical BIOS screens into text you can read over SSH.

Alex Circuit
Alex Circuit★Aug 18, 2026★5 min read
Cover illustration for LILYGO T-Echo Lite Kit Adds a Keyboard for LoRa
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Mini Computers

LILYGO T-Echo Lite Kit Adds a Keyboard for LoRa

LILYGO's T-Echo Lite Kit pairs an nRF52840 LoRa and GPS board with a backlit keyboard shield and speaker for off-grid messaging, from $65.34.

Alex Circuit
Alex Circuit★Aug 18, 2026★4 min read
Cover illustration for Pi-Ener-lite: A $35 18650 UPS for Raspberry Pi Zero
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Mini Computers

Pi-Ener-lite: A $35 18650 UPS for Raspberry Pi Zero

The Pi-Ener-lite adds an 18650 battery backup, real-time clock, and fuel gauge to a Raspberry Pi Zero for $35 while leaving the GPIO header free.

Alex Circuit
Alex Circuit★Aug 17, 2026★4 min read
Cover illustration for Wi-Fi Sensing Turns an ESP32 and Pi Into a Motion Radar
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Mini Computers

Wi-Fi Sensing Turns an ESP32 and Pi Into a Motion Radar

WifiSense-Pi pairs an ESP32-S3 sampling 100 times a second with a Raspberry Pi 4 to detect people through walls — and the code is now open source.

Alex Circuit
Alex Circuit★Aug 17, 2026★4 min read
Cover illustration for ESP32-S3 Music Sequencer Doubles as a Slap Bracelet
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Mini Computers

ESP32-S3 Music Sequencer Doubles as a Slap Bracelet

Maker 3DSage built a wearable ESP32-S3 sequencer with brass-rod note input, a translucent PETG case, and a measuring-tape slap bracelet band.

Alex Circuit
Alex Circuit★Aug 15, 2026★4 min read
Cover illustration for EITWatch Reads Hand Gestures With an ESP32-S3 Watch
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Mini Computers

EITWatch Reads Hand Gestures With an ESP32-S3 Watch

Northwestern's open-source EITWatch fits eight electrodes on a watch back and hits 92.5% macro-gesture accuracy from a XIAO ESP32-S3 at 48 Hz.

Alex Circuit
Alex Circuit★Aug 14, 2026★6 min read
Cover illustration for RISC-V MCU Adds Built-In Ethernet PHY and 8MB PSRAM
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Mini Computers

RISC-V MCU Adds Built-In Ethernet PHY and 8MB PSRAM

WCH's CH32V467 packs a 200 MHz RISC-V core, built-in Fast Ethernet PHY, 480 Mbps USB, and up to 8MB PSRAM at roughly $2.40 to $2.90 per chip.

Alex Circuit
Alex Circuit★Aug 13, 2026★5 min read
Cover illustration for PewCB One Etches Circuit Boards With a Desktop Laser
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Mini Computers

PewCB One Etches Circuit Boards With a Desktop Laser

PewCB One is a 20W laser PCB fab that ablates 0.1mm traces in under an hour with no chemicals, priced at $5,000 with production from September 1.

Alex Circuit
Alex Circuit★Aug 12, 2026★5 min read
Cover illustration for PiShot Makes a Pocket Camera From a Raspberry Pi Zero
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Mini Computers

PiShot Makes a Pocket Camera From a Raspberry Pi Zero

PiShot is an open-source 3D-printed camera built on a Raspberry Pi Zero 2 W, Camera Module 3, an ST7789 rear display, and a single 18650 cell.

Alex Circuit
Alex Circuit★Aug 12, 2026★4 min read
Cover illustration for ESPHome Starter Kit Puts Four Sensors on One $40 Board
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Mini Computers

ESPHome Starter Kit Puts Four Sensors on One $40 Board

The official $40 ESPHome Starter Kit pairs an ESP32-C6 board with four snap-on FPC sensor modules and needs no YAML editing to get an automation running.

Alex Circuit
Alex Circuit★Aug 12, 2026★5 min read
Cover illustration for Nomad Terminal Packs LoRa and GPS Into a $60 Handheld
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Mini Computers

Nomad Terminal Packs LoRa and GPS Into a $60 Handheld

Makerfabs' $59.80 Nomad Terminal pairs an ESP32-S3 with an LR1121 LoRa radio, GNSS, a 3.5-inch touchscreen, and a 5,000mAh cell rated for 40-60 days.

Alex Circuit
Alex Circuit★Aug 12, 2026★5 min read
Cover illustration for Comu Is a $6 RISC-V Board That Hides in a USB Port
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Mini Computers

Comu Is a $6 RISC-V Board That Hides in a USB Port

Icy Electronics' Comu packs a 144MHz CH32V203 RISC-V MCU, four touch buttons, and six GPIOs into a 13 x 9.4mm open-source board costing $5.99.

Alex Circuit
Alex Circuit★Aug 11, 2026★4 min read
Cover illustration for Antmicro Open-Sources a Thunderbolt Dual 10GbE Card
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Mini Computers

Antmicro Open-Sources a Thunderbolt Dual 10GbE Card

Antmicro released the full KiCad files for a Thunderbolt 3 to dual 10GbE adapter under Apache 2.0, measured at 9.4 Gbps while drawing under 9 watts.

Alex Circuit
Alex Circuit★Aug 10, 2026★4 min read
Cover illustration for ChronoWatch X2040 Is a DIY RP2040 Round-Screen Watch
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Mini Computers

ChronoWatch X2040 Is a DIY RP2040 Round-Screen Watch

The ChronoWatch X2040 turns a $23 Waveshare RP2040 board into a DIY wearable with a 1.28-inch round touchscreen, a 3D-printed case, and a 950mAh battery.

Alex Circuit
Alex Circuit★Aug 10, 2026★4 min read
Cover illustration for LILYGO T-Echo Card Puts Solar LoRa Mesh in an IP66 Shell
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Mini Computers

LILYGO T-Echo Card Puts Solar LoRa Mesh in an IP66 Shell

The LILYGO T-Echo Card packs nRF52840, SX1262 LoRa, GPS and a solar panel into a 9.5mm IP66 card, starting around $60 with Meshtastic support.

Alex Circuit
Alex Circuit★Aug 9, 2026★5 min read
Cover illustration for Meshtastic vs MeshCore vs LoRaWAN Explained for 2026
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Mini Computers

Meshtastic vs MeshCore vs LoRaWAN Explained for 2026

A plain-English guide to the three LoRa networking options: which one suits hikers, which scales to a city, and which needs gateway infrastructure.

Alex Circuit
Alex Circuit★Aug 9, 2026★10 min read
Cover illustration for ZecTrix Note 4 Puts an AI Voice Notepad on E-Paper
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Mini Computers

ZecTrix Note 4 Puts an AI Voice Notepad on E-Paper

ZecTrix Note 4 pairs a 4.2-inch E-Ink display with an ESP32-S3, NFC, and a 2,000 mAh battery for $54.99 — and a four-color variant lands near $30.

Alex Circuit
Alex Circuit★Aug 6, 2026★4 min read
Cover illustration for CtrlVibe AI Console Keypad Starts at $109 on Kickstarter
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Mini Computers

CtrlVibe AI Console Keypad Starts at $109 on Kickstarter

CtrlVibe AI Console packs nine hot-swappable keys, a rotary encoder, and a three-way permission toggle into a CNC aluminum keypad starting at $109.

Alex Circuit
Alex Circuit★Aug 6, 2026★4 min read
Cover illustration for Octopus 16 Puts 16-Channel EEG on a $250 Open Board
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Mini Computers

Octopus 16 Puts 16-Channel EEG on a $250 Open Board

The $250 Octopus 16 packs 16 EEG channels into a 26mm board and turns brain signals into BLE gamepad input, with fully open Arduino and Python code.

Alex Circuit
Alex Circuit★Aug 4, 2026★5 min read
Cover illustration for Stream32 Builds an Open-Source Stream Deck on ESP32
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Mini Computers

Stream32 Builds an Open-Source Stream Deck on ESP32

Stream32 pairs an ESP32 with a 4-inch or 10.1-inch touchscreen to make a fully customizable open-source Stream Deck alternative you can reflash yourself.

Alex Circuit
Alex Circuit★Aug 4, 2026★4 min read
Cover illustration for reTerminal Sticky ePaper Runs Four Open Firmwares
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Mini Computers

reTerminal Sticky ePaper Runs Four Open Firmwares

Seeed's $49.90 reTerminal Sticky pairs a 3.97-inch touch ePaper panel with an ESP32-S3 and four open-source firmware options, from e-reader to dashboard.

Alex Circuit
Alex Circuit★Jul 31, 2026★5 min read
Cover illustration for ESP-KVM Turns an ESP32-P4 Board Into a $45 IP KVM
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Mini Computers

ESP-KVM Turns an ESP32-P4 Board Into a $45 IP KVM

ESP-KVM is an open-source IP KVM built from a $20 ESP32-P4 board and an HDMI capture adapter, delivering 20 fps MJPEG remote control for about $45.

Alex Circuit
Alex Circuit★Jul 31, 2026★5 min read
Cover illustration for SensWear Open-Source Wearable Kit Ships With 4 Sensors
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Mini Computers

SensWear Open-Source Wearable Kit Ships With 4 Sensors

SensWear is an open-source nRF54L15 wearable platform with four swappable sensor boards, MIT-licensed firmware, and a EUR 849.99 full bundle.

Alex Circuit
Alex Circuit★Jul 29, 2026★5 min read
Cover illustration for ESP32 Web Browser Loads Real Web Pages in Text Mode
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Mini Computers

ESP32 Web Browser Loads Real Web Pages in Text Mode

Alun Morris built babe32, an open-source text-mode web browser that fetches and renders real web pages on an inexpensive ESP32 display board.

Alex Circuit
Alex Circuit★Jul 29, 2026★4 min read
Cover illustration for Open RC Spotter Logs RC Car Telemetry at 100 Hz on ESP32
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Mini Computers

Open RC Spotter Logs RC Car Telemetry at 100 Hz on ESP32

An open-source ESP32 data logger fuses GPS and IMU with a 10-state Kalman filter, logging RC car telemetry at 100 Hz to microSD. $169 assembled.

Alex Circuit
Alex Circuit★Jul 27, 2026★5 min read
Cover illustration for Low-Power Wireless MCU Guide: nRF54L, ESP32, RP2350
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Mini Computers

Low-Power Wireless MCU Guide: nRF54L, ESP32, RP2350

Compare nRF54L15, ESP32-C6, and RP2350 for battery-powered projects: radios, sleep current, memory, price, and which to pick for each build.

Alex Circuit
Alex Circuit★Jul 27, 2026★9 min read
Cover illustration for nRF54L15 Discovery Board Snaps Into Two Usable Boards
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Mini Computers

nRF54L15 Discovery Board Snaps Into Two Usable Boards

Icy Electronics' $27.19 nRF54L15 Discovery packs a Cortex-M33, a RISC-V coprocessor, and a snap-off CMSIS-DAP debugger you can reuse separately.

Alex Circuit
Alex Circuit★Jul 27, 2026★5 min read
Cover illustration for CirkitScape Top HAT Combines Four Pi Add-Ons in One
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Mini Computers

CirkitScape Top HAT Combines Four Pi Add-Ons in One

The $45 CirkitScape Top HAT adds 16 GPIOs, a 3-channel ADC, RS-485, and four USB ports to a Raspberry Pi using only standard Python libraries.

Alex Circuit
Alex Circuit★Jul 26, 2026★4 min read
Cover illustration for Arduino UNO Q Arcade Bundle Builds a $90 Retro Console
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Mini Computers

Arduino UNO Q Arcade Bundle Builds a $90 Retro Console

Arduino's UNO Q Arcade bundle pairs the 4GB UNO Q SBC with snap-together Modulino controls to build a DIY RetroArch console for about $90 at launch.

Alex Circuit
Alex Circuit★Jul 23, 2026★4 min read
Cover illustration for Xteink X4 Pro Brings Touch and Frontlight to $99 eReader
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Mini Computers

Xteink X4 Pro Brings Touch and Frontlight to $99 eReader

Xteink's X4 Pro adds a touchscreen and frontlight to its 4.3-inch pocket eReader for $99, with a 1,100mAh battery and open-source firmware support.

Alex Circuit
Alex Circuit★Jul 23, 2026★4 min read
Cover illustration for ART-Pi II Pairs a 600 MHz Cortex-M7 With a 2.5D GPU
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Mini Computers

ART-Pi II Pairs a 600 MHz Cortex-M7 With a 2.5D GPU

The $45 ART-Pi II runs a 600 MHz STM32H7R7 with a NeoChrom 2.5D GPU, 32MB HyperRAM, Wi-Fi 4 and a Raspberry Pi-compatible 40-pin header.

Alex Circuit
Alex Circuit★Jul 21, 2026★4 min read
Cover illustration for moddo Pinch Is the Smallest Arduino Board Yet at 11mm
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Mini Computers

moddo Pinch Is the Smallest Arduino Board Yet at 11mm

The moddo Pinch is a 10.9 x 10.5 mm Arduino-compatible board that fits inside a USB-C shell, with 12 GPIO, 11 PWM channels, and pre-orders open at $15.90.

Alex Circuit
Alex Circuit★Jul 20, 2026★4 min read
Cover illustration for Olimex PICO-EVB Adds Mains Relays to Raspberry Pi Pico
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Mini Computers

Olimex PICO-EVB Adds Mains Relays to Raspberry Pi Pico

Olimex's €14.95 PICO-EVB turns any Raspberry Pi Pico into an industrial controller with four 240VAC relays, four optoisolated inputs and ESPHome support.

Alex Circuit
Alex Circuit★Jul 19, 2026★5 min read
Cover illustration for reCamera Pro Runs LLMs and Vision on a $300 AI Camera
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Mini Computers

reCamera Pro Runs LLMs and Vision on a $300 AI Camera

Seeed Studio's reCamera Pro packs a 3 TOPS NPU to run vision, LLMs, speech-to-text, and TTS fully on-device with no cloud, from $299.90.

Alex Circuit
Alex Circuit★Jul 18, 2026★5 min read
Cover illustration for Pico W Becomes a Driverless USB Wi-Fi Adapter for $6
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Mini Computers

Pico W Becomes a Driverless USB Wi-Fi Adapter for $6

An open-source firmware turns the $6 Raspberry Pi Pico W into a USB Wi-Fi adapter that needs no drivers on Linux, macOS, Windows, or mobile.

Alex Circuit
Alex Circuit★Jul 16, 2026★4 min read
Cover illustration for Raspberry Pi Single Pair Ethernet HAT Adds T1S/T1L
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Mini Computers

Raspberry Pi Single Pair Ethernet HAT Adds T1S/T1L

Brechel Electronic's new Raspberry Pi HAT+ boards add 10BASE-T1S and 10BASE-T1L Single Pair Ethernet from €95, with a one-click Linux driver installer.

Alex Circuit
Alex Circuit★Jul 14, 2026★5 min read
Cover illustration for PocketMage Is a Fully Open-Source ESP32-S3 E-Ink PDA
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Mini Computers

PocketMage Is a Fully Open-Source ESP32-S3 E-Ink PDA

PocketMage is a $185 open-source ESP32-S3 PDA with dual E-Ink and OLED displays, a physical QWERTY keyboard, and a ~7-day battery per charge.

Alex Circuit
Alex Circuit★Jul 13, 2026★4 min read
Cover illustration for ELM11-Feather Makes FPGAs Lua-Simple for $39
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Mini Computers

ELM11-Feather Makes FPGAs Lua-Simple for $39

The $39 ELM11-Feather puts a Gowin FPGA and a 75 MHz soft-core into a Feather board you program in Lua, with MIT-licensed firmware coming.

Alex Circuit
Alex Circuit★Jul 11, 2026★5 min read
Cover illustration for Norik Dongle Brings DECT NR+ 5G to a USB Port
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Mini Computers

Norik Dongle Brings DECT NR+ 5G to a USB Port

Norik Systems' nRF9151 USB dongle brings DECT NR+, the carrier-free 5G mesh standard, to developers with Zephyr samples and no debug probe.

Alex Circuit
Alex Circuit★Jul 11, 2026★5 min read
Cover illustration for Open Book Touch Is a Hackable Open-Source E-Reader
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Mini Computers

Open Book Touch Is a Hackable Open-Source E-Reader

The Open Book Touch is a DRM-free ESP32-S3 e-reader with a 4.26-inch touch e-paper screen, open firmware, and a replaceable battery, from \$149.

Alex Circuit
Alex Circuit★Jul 11, 2026★5 min read
Cover illustration for PocketMage: An Open-Source ESP32-S3 E-Paper PDA for Makers
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Mini Computers

PocketMage: An Open-Source ESP32-S3 E-Paper PDA for Makers

PocketMage is an open-source ESP32-S3 e-paper PDA with a QWERTY keyboard, dual displays, and hackable firmware. Now live on Crowd Supply from $185.

Alex Circuit
Alex Circuit★Jul 8, 2026★3 min read
Cover illustration for Mercedes-Benz Open-Sources ARDEP: An STM32 Motor-Control Dev Board
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Mini Computers

Mercedes-Benz Open-Sources ARDEP: An STM32 Motor-Control Dev Board

Mercedes-Benz just released ARDEP V2, an Apache 2.0 open-source hardware platform built on an STM32G474 for real automotive-grade motor control.

Alex Circuit
Alex Circuit★Jul 8, 2026★3 min read
Cover illustration for Flipper BUSY Bar: An Open-Source Productivity Display for Makers
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Mini Computers

Flipper BUSY Bar: An Open-Source Productivity Display for Makers

The Flipper BUSY Bar is an open-source productivity display with a 72x16 RGB LED matrix, dual processors, Wi-Fi 6, and Matter support.

Alex Circuit
Alex Circuit★Jul 4, 2026★3 min read
Cover illustration for PaperBoy Runs a Game Boy Emulator at 60 FPS on E Ink
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Mini Computers

PaperBoy Runs a Game Boy Emulator at 60 FPS on E Ink

PaperBoy drives an ESP32-S3 E Ink devkit at a full 60 FPS, running a Game Boy emulator with a BLE gamepad by bypassing the normal e-paper waveform. It's open source.

Alex Circuit
Alex Circuit★Jul 3, 2026★5 min read
Cover illustration for QuadRF: A Raspberry Pi 5 4x4 MIMO SDR RF Camera Hits Crowd Supply
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Mini Computers

QuadRF: A Raspberry Pi 5 4x4 MIMO SDR RF Camera Hits Crowd Supply

QuadRF is a Raspberry Pi 5 4x4 MIMO software-defined radio tile that renders a live 30fps RF overlay. Open-source SDR beamforming from $499.

Alex Circuit
Alex Circuit★Jul 1, 2026★5 min read
Cover illustration for Banana Pi's $21 BPI-VP10 Brings Open-Source RISC-V Servo Control to Makers
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Mini Computers

Banana Pi's $21 BPI-VP10 Brings Open-Source RISC-V Servo Control to Makers

The Banana Pi BPI-VP10, detailed June 30, 2026, is a $21 open-source RISC-V board that drives 100-200W industrial servos with broad encoder support and free tuning software.

Alex Circuit
Alex Circuit★Jun 30, 2026★4 min read
Cover illustration for Louder ESP32 Mini Adds WiFi and Bluetooth to Old Speakers for $15
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Mini Computers

Louder ESP32 Mini Adds WiFi and Bluetooth to Old Speakers for $15

The $15 Louder ESP32 Mini is an open-source amplifier board that turns any passive speaker into a smart, multiroom audio device with Squeezelite, Snapcast, and ESPHome support.

Alex Circuit
Alex Circuit★Jun 25, 2026★4 min read
Cover illustration for RP2350B 'Bells & Whistles' Board Packs a Debugger and HDMI for $30
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Mini Computers

RP2350B 'Bells & Whistles' Board Packs a Debugger and HDMI for $30

The $30 RP2350B 'Bells & Whistles' dev board bundles an onboard debugger, HDMI video out, and microSD into one open-source maker board — removing friction for RP2350 projects.

Alex Circuit
Alex Circuit★Jun 25, 2026★4 min read
Cover illustration for Optocam Zero Turns a Raspberry Pi Zero 2 W Into a Joyful DIY Camera
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Mini Computers

Optocam Zero Turns a Raspberry Pi Zero 2 W Into a Joyful DIY Camera

The Optocam Zero is an open-source DIY digital camera built on a Raspberry Pi Zero 2 W, with autofocus, eight filters, GIF capture, and 3D-printed parts — a delightful weekend maker build.

Alex Circuit
Alex Circuit★Jun 24, 2026★4 min read
Cover illustration for piBrick PocketCM5 Turns the Raspberry Pi CM5 Into a Pocket Linux PC
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Mini Computers

piBrick PocketCM5 Turns the Raspberry Pi CM5 Into a Pocket Linux PC

The open-source piBrick PocketCM5 kit wraps a Raspberry Pi CM5 in a 3.92-inch AMOLED handheld with a BlackBerry QWERTY keyboard and NVMe — for $240 on Tindie.

Alex Circuit
Alex Circuit★Jun 13, 2026★5 min read
Cover illustration for Wireless-Tag's ESP32P4C61-TINY Packs Two ESP32 Chips Into a Tiny Open-Source AIoT Board
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Mini Computers

Wireless-Tag's ESP32P4C61-TINY Packs Two ESP32 Chips Into a Tiny Open-Source AIoT Board

Wireless-Tag launched the ESP32P4C61-TINY on Kickstarter on June 2, 2026 — a compact, open-source AIoT board pairing an ESP32-P4 with an ESP32-C61 for Wi-Fi 6 and camera support.

Alex Circuit
Alex Circuit★Jun 4, 2026★4 min read
Cover illustration for ESP32 Walkie-Talkie: G.722 HD Voice Rides ESP-NOW Packets
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Mini Computers

ESP32 Walkie-Talkie: G.722 HD Voice Rides ESP-NOW Packets

PCMFlowG722 turns ESP32 boards into an HD-voice walkie-talkie over ESP-NOW, fitting a 160-byte G.722 frame into one packet. No router needed.

Alex Circuit
Alex Circuit★May 31, 2026★4 min read
Cover illustration for Start9 Drops a Fully Open RISC-V Router — SpacemiT K1, StartWRT, and a Crowdfunding Goal Built on Open Source
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Mini Computers

Start9 Drops a Fully Open RISC-V Router — SpacemiT K1, StartWRT, and a Crowdfunding Goal Built on Open Source

Start9 unveiled its open-source RISC-V router on May 15, 2026 — built on the SpacemiT K1 with 4GB LPDDR4, WiFi 6, dual GbE, and the new StartWRT OpenWrt fork, with backers starting at $300.

Alex Circuit
Alex Circuit★May 16, 2026★6 min read