microcontrollers
XCORE-VISION: On-Device AI Camera Vision, No Raspberry Pi
XMOS XCORE-VISION runs YOLOv8 and MobileNetV2 on-device with an 8MP camera and no Raspberry Pi overhead. Here is what you could build this weekend.
diy projects
Build a Retro Handheld Inside an NES Gamepad with an ESP32-S2
A dead NES-style controller hides a full ESP32-S2 emulator that plays 8-bit classics and Doom for about $17. Here is the weekend build.
iot & smart home
SiLabs BG2B: A Low-Power Bluetooth 6 Chip for Your Next Build
Silicon Labs' new BG2B packs Bluetooth 6, Channel Sounding, and a 1.1uA sleep current into one tiny SoC. Here's what you could prototype with…
esp32 & esp8266
Get Full-HD Video From a Raspberry Pi Pico or ESP32 Over USB
A new library pushes full-HD 1920x1080 video at 60Hz from a Raspberry Pi Pico or ESP32 using a $20 USB display adapter and just…
microcontrollers
Nordic nRF54L15 Discovery: Two Open-Hardware Boards, One PCB
Icy Electronics' nRF54L15 Discovery packs a Cortex-M33, a RISC-V coprocessor, and a snap-off CMSIS-DAP debugger onto one open-hardware PCB for $27.19.
arduino
Pinch: A Fingertip-Sized 32-Bit Arduino-Compatible Dev Board
The pinch crams a 32-bit Arduino-compatible board onto something the size of a USB-C plug: 15 GPIO pins, native USB, and a $16 pre-order.
esp32 & esp8266
Focus: The Open-Source UI Framework Behind an ESP32 E-Reader
Focus is an open-source C++ framework that brings app-style menus, view controllers, and safe scheduling to the ESP32 and other tiny-RAM boards.
diy projects
Open Book Touch: The ESP32-S3 E-Reader Built to Be Hacked
A $149 open-source e-reader runs on an ESP32-S3, sips under a milliamp while reading, and hands you the firmware, PCB, and CAD to hack…
diy projects
Bitluni’s 8,192-Core DIY GPU Is Built From 13-Cent RISC-V Chips
8,192 RISC-V microcontrollers, six-layer blades, 650 amps and a pogo-pin flashing rig. Inside the cheapest, strangest GPU ever soldered together.
diy projects
Build a 2 Hz to 33.5 MHz Signal Generator on One AVR EB Chip
One AVR chip, a keypad, and an OLED become a bench signal generator that covers 2 Hz to 33.5 MHz in 2 Hz steps…
microcontrollers
Clintech Pico Board: All 48 RP2354B GPIOs in a Pico 2 Footprint
Ran out of pins on your Pico 2? Clintech's new board exposes all 48 RP2354B GPIOs in the same footprint, with room for every…
microcontrollers
The $50 Forgix Puts a Raspberry Pi RP2354 and an FPGA on One Board
Adiuvo's $50 Forgix drops a Raspberry Pi RP2354 and an Efinix FPGA onto one breadboard-friendly board, with an open-source bitstream loader.