microcontrollers
Someone Squeezed a Generative AI Image Model Onto a $1 RP2350
Five seconds, 520 KB of RAM and about a dollar of silicon: the RP2350 inside the Raspberry Pi Pico 2 is now generating 128x128…
arduino
Arduino’s Zephyr RTOS Core Hits 1.0.0: What Changes for Makers
Arm killed MbedOS, so Arduino rebuilt on Zephyr. The 1.0.0 core adds Nicla Vision camera support, Zephyr 4.4.1, and VENTUNO Q silicon.
microcontrollers
Add a CircuitPython Watchdog So Your Build Reboots Itself
A frozen microcontroller mid-demo is fixable in ten lines. The CircuitPython watchdog module lets your board detect its own hang and reset itself.
diy projects
Tiwaz: An STM32 Split Keyboard That Is Also Two Macro Pads
Timo Strube's Tiwaz splits into two standalone macro pads with joysticks, runs QMK on an STM32F401, and ships every hardware file open source.
diy projects
Arduboy’s $39 CHGame Rev0: A RISC-V Handheld Built for Hacking
Arduboy's CHGame Rev0 is a $39 bare-board handheld: 48 MHz RISC-V, a 128x128 color LCD, and every GPIO pin broken out for hacking.
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.