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…
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
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.
diy projects
Motion-Reactive LED Devil Horns Built on an RP2040 Prop Feather
Paper-mache horns lined with 4 mm NeoPixel strip, an RP2040 Prop-Maker Feather reading your head gestures, and two animations that answer with fire.
diy projects
This ATmega328P Clock Keeps Swatch’s Failed Internet Time Alive
Swatch's 1998 .beat time died fast, but one maker rebuilt it around an ATmega328P, a DS3231 and a 1990s HPDL-1414 bubble display.
microcontrollers
XCORE-VISION: Real-Time Embedded Vision, No Pi Needed
XMOS' XCORE-VISION runs YOLOv8 and MobileNetV2 on-device with an 8MP camera, landing between the ESP32-CAM and a Raspberry Pi for real-time vision.
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.