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Open Hardware/Modding: ESP32, Raspberry Pi CM4/CM5, RISC-V, and More
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CNX Software ☛ ESP32 Bus Pirate open-source firmware works on off-the-shelf hardware
ESP32 Bus Pirate is an open-source firmware inspired by the original Bus Pirate from Dangerous Prototypes, which turns off-the-shelf (ESP32-S3) hardware into a multi-protocol hacker’s tool. It supports sniffing, sending, scripting, and interacting with various digital protocols (I2C, UART, 1-Wire, SPI, etc.) via a serial terminal or web-based CLI. It’s been tested on Espressif ESP32-S3-DevKitC-1 development board, M5Stack Cardputer, M5StickC Plus2, Atom S3 Lite, M5Stamp S3, and LILYGO T-Embed (CC1101) boards.
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Tom's Hardware ☛ Legendary GPU architect Raja Koduri's new startup leverages RISC-V and targets CUDA workloads — Oxmiq Labs supports running Python-based CUDA applications unmodified on non-Nvidia hardware
Oxmiq develops a vertically integrated platform that combines GPU hardware IP with a full-featured software stack aimed at AI, graphics, and multimodal workloads where explicitly parallel processing is beneficial. On the hardware side, Oxmiq offers a GPU IP core based on the RISC-V instruction set architecture (ISA) called OxCore, which integrates scalar, vector, and tensor compute engines in a single modular architecture and can support near-memory and in-memory compute capabilities.
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Arduino ☛ Is your heating radiator working? This system uses edge AI to find out
The system monitors the temperature in a room and listens for the sound of the boiler running. If it hears the boiler running for a set period of time (like 30 minutes) and doesn’t see a corresponding rise in temperature, it concludes that something is wrong. The Edge Impulse model does the listening, observing the audio data processed with a Fast Fourier Transform (FFT).
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Hackaday ☛ Flex PCB Underlies The Watch Of The Future
If you were at OpenSauce, you may have seen new Youtuber [Sahko] waltzing about with a retrofuturistic peice of jewelery that revealed itself as a very cool watch. If you weren’t, he’s his very first video on YouTube detailing the design and construction of this piece. We’ve embedded it below, and it’s worth a watch. (Pun intended, as always.)
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CNX Software ☛ Sipeed NanoCluster palm-sized cluster board takes up to 7 system-on-modules
Sipeed NanoCluster is a palm-sized cluster board with seven slots for Raspberry Pi CM4/CM5, Sipeed LM3H (Allwinner H618), and/or Sipeed M4N (AXera AX650N Hey Hi (AI) SoC) system-on-modules, and other compatible SoMs might also work. The board handles inter-module communication through an 8-port RISC-V-based Gigabit switch, and supports up to 60W USB-C PD or PoE (optional) power.
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CNX Software ☛ Argon ONE UP – A Raspberry Pi CM5-powered 14-inch laptop (Crowdfunding)
Argon 40 is better known for its Argon ONE Raspberry Pi enclosures, but the company has now launched a crowdfunding campaign for the Argon ONE UP 14-inch laptop powered by the Raspberry Pi CM5 module. We’ve already covered a range of Raspberry Pi 4/5 laptops, but existing models are either rather thick or the Raspberry Pi 5 is placed on the side of a laptop shell, not ideal for portability.
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CNX Software ☛ n-Fuse ZBC-M2-1630 – An affordable Zigbee, Thread, and Bluetooth M.2 1630 module
n-Fuse ZBC-M2-1630 is an M.2 1630 module based on Silicon Labs’ MGM260P module with an EFR32MG26 Bluetooth, Thread, and Zigbee multi-protocol Cortex-M33 SoC. While adding Zigbee, Thread, and/or Bluetooth through a USB dongle is common, it’s harder to find M.2 or mPCIe cards. Mixtile used to sell a 2-in-1 Zigbee & Z-Wave mPCIe module based on Silicon Labs MG23 and MG24 chips, but as noted in our Mixtile Edge 2 kit review, it’s now sold to businesses in 50 or 100-piece bundles, or integrated into the company’s gateway.
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Hackaday ☛ 2025 One Hertz Challenge: Blinking An LED The Very Old Fashioned Way
Making an LED blink is usually achieved by interrupting its power supply, This can be achieved through any number of oscillator circuits, or even by means of a mechanical system and a switch. For the 2025 One Hertz Challenge though, [jeremy.geppert] has eschewed such means. Instead his LED is always on, and is made to flash by interrupting its light beam with a gap once a second.
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Hackaday ☛ 2025 One Hertz Challenge: LoRaSense RGB Pi HAT
Our hacker [Avi Gupta] has sent in their submission for the One Hertz Challenge: the LoRaSense RGB Pi HAT.