microcontrollers
PwrBlock 323: An STM32 Programmable PSU Built Into Your Test Rig
Everypin built a 1-32V programmable supply that bolts inside your test jig and takes SCPI commands over USB. No more hand power-cycling boards at…
iot & smart home
Upline Puts an ATtiny85 Online Using 4,060 Bytes of Flash
Upline is an open source serial protocol that gets an ATtiny85 or Arduino UNO on the web through a USB cable, using 4,060 bytes…
microcontrollers
BrainBoard1500 Puts Neuromorphic AI on an Arduino Nicla Board
BrainChip's AKD1500 accelerator lands on an Arduino Nicla footprint with 32 neural cores, 4 MB flash, and a current monitor for measuring the power…
diy projects
This Arduino Nano-Sized Board Packs a 300 MHz Cortex-M7 Chip
Magmabow squeezed a 300 MHz ATSAME70 Cortex-M7 into an Arduino Nano footprint, and the BGA routing trick he used is worth stealing.
microcontrollers
MIT-Licensed STM32C5 BluePill Clone Runs Oberon-2 Instead of C
A 144MHz Cortex-M33 in BluePill form, MIT-licensed with KiCad files published, and it speaks Oberon-2 as fluently as it speaks C.
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.
microcontrollers
WCH’s CH32V407 Brings Vector Extensions to a $2.40 RISC-V MCU
A 200MHz RISC-V microcontroller with vector extensions, 8MB of optional PSRAM, and a $2.40 price tag. Here is what the CH32V407 can actually do.
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.