microcontrollers
RP2350 Laser Attack: Ledger Donjon Re-Enables Debug
Ledger Donjon used a laser and about $250,000 of lab gear to re-enable debug on a locked RP2350-A4. Here is why Raspberry Pi will…
microcontrollers
Toshiba TXZ+ M4H: 120 MHz Cortex-M4F Entry-Level MCU
Toshiba's new TXZ+ M4H microcontrollers pack a 120 MHz Cortex-M4F, 256 kB flash, and up to 51 GPIO into an entry-class part. Here's what…
arduino
AVR Laptop: 24 FPS Video and Sound on an 8-Bit ATmega2560
An ATmega2560 running FreeRTOS plays 24 fps video with sound on a 128x64 LCD. See how one maker squeezed a laptop out of an…
microcontrollers
SPIDriver Quattro: A USB SPI Debugger With a Built-In Screen
Debugging SPI blind is painful. The SPIDriver Quattro adds a live display, 0.1 mA current sensing, and quad-SPI support so you can see what…
arduino
Build an 8-Bit Arduino Laptop with FreeRTOS and 8 KB of RAM
An ATmega2560 with just 8 KB of RAM runs FreeRTOS, video at 24 fps, and a UI. See the parts, the memory tricks, and…
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.
news & releases
Raspberry Pi’s CM5 Programming Jig Flashes Modules in One Press
Raspberry Pi's new $600 Programming Jig writes an OS, secure-boot keys and disk encryption to a CM5 in one clamp press. Here's how to…
diy projects
A Parody Apple Laptop Reborn: The RP2350 Mactini Actually Works
A 20-year-old Apple parody became real hardware: an RP2350 running FreeRTOS, DMA-driven graphics and an alphabet you tap out on one capacitive pad.
diy projects
DIY PLC on a PocketBeagle 2: Is a $1,000 Allen-Bradley Fair?
A $1,000 PLC versus a $10 dev board: element14's Clem Mayer built his own on a PocketBeagle 2 to find out exactly where the…
diy projects
A Homebrew Motorola 68000 Gets Two Working PCI Slots at 10 MHz
A 1979 CPU and a 1990s bus, wired together by hand: 10 MHz 68000, an FPGA host bridge, and PCI graphics and Ethernet cards…