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Devices: Raspberry Pi, Arduino, and More
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Raspberry Pi Weekly Issue #515 - Spotlighting Raspberry Pi Zero, growing plants in space, and drumming up business
The Christmas issue of Raspberry Pi Official Magazine is here! Howdy, Lots of you commented when we posted the 'What can you build with Raspberry Pi Zero?' feature. It was nice to see one of our older boards shaking off its middle-child syndrome and getting a turn in the spotlight. We also finally got round to telling you about an initiative we saw at Open Sauce this summer.
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Raspberry Pi ☛ The new Raspberry Pi sustainability portal
The portal is designed to serve as an anchor point for our sustainability work. Initially, you’ll find information about our approach to sustainability, as well as links to everything we’ve written about the actions we’re taking and planning. This includes short articles and perspectives from across the business on how we are integrating sustainable thinking into our operations and product design.
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Arduino ☛ Bees built it, Arduino brought it to life
Daric Gill used an Arduino UNO R3 to create his “The Translation Machine” sound art installation for an exhibition at the Dunn Museum. Except he didn’t do it alone, because bees helped with its construction. The Translation Machine is a motion-triggered interactive art piece that plays sounds that Gill collected during his world travels.
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CNX Software ☛ Waveshare’s updated Raspberry Pi 5 dual micro HDMI to HDMI adapter adds NVMe storage support
Waveshare has recently released the Pi5 Connector Adapter (C), an upgraded version of its earlier Pi5 Connector Adapter, adding support for M.2 NVMe SSDs and enabling direct OS booting from an SSD. The board connects to the Raspberry Pi 5 via its 16-pin PCIe interface and supports M.2 NVMe SSDs in 2230/2242 sizes with PCIe Gen2/Gen3 speeds. It also converts the Pi’s micro HDMI ports into full-size HDMI connectors and brings all ports on one side next to the USB and Ethernet ports of the SBC. It offers two methods for power: a USB-C input or a screw-terminal supply.
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CNX Software ☛ Raspberry Pi Imager 2.0 released with a revamped user interface, Raspberry Pi Connect support
Raspberry Pi Imager 2.0 has just been released with a revamped user interface with a wizard to enable easier navigation, as well as a new option for Raspberry Pi Connect remote access, among other changes. The Raspberry Pi Imager was first released in March 2020 to improve the user experience when flashing OS images for the Raspberry Pi to a microSD card. No need to download an OS image from the website and flash it manually to a microSD card with the dd command line tool, Win32DiskImager, or BalenaEtcher. Just select your Raspberry Pi model, the image you want from a curated list, and the storage device, and you’re good to go. A popular feature was the OS customization settings, but the list grew quite large, and that’s one of the main reasons for the release of the Raspberry Pi Imager 2.0 utility.
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CNX Software ☛ PhaseLatch Mini – An STM32-based low-cost SDR digitizer with two 12-bit ADCs, 210 kS/s USB streaming
PhaseLatch Mini is a low-cost STM32-based SDR digitizer for the previously released Phase Loom (tuner aboard), built in a Blue Pill–style form factor for HF, FM, and VHF experimentation. The board uses two 12-bit ADCs that sample I and Q at the same time, combine both readings into a 32-bit data word, and send the data over USB at about 210,000 I/Q sample pairs per second using just the standard USB CDC interface. It includes SMA inputs, a built-in ~100 kHz low-pass filter network, USB-C connectivity, ferrite-filtered power, and dedicated 8 MHz/32.768 kHz crystals for stable timing. Other features of the board include dynamic timer tuning, circular DMA, ISR-driven packet chaining, and a lock-free USB feed path to maintain high-rate streaming.
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Arduino ☛ How artist Davide Sgambaro brought “Goosebumps (dark times)” to life with Arduino UNO R4 Minima
Sgambaro’s installation is a reminder that technology isn’t just a problem-solving tool – it’s creative material. Whether you’re an artist, a student, a maker, or someone who never imagined touching electronics, accessible platforms like Arduino UNO R4 Minima make it possible to express ideas in new, surprising ways.
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Austin Pivarnik ☛ World's Most Stable Raspberry Pi? 81% Better NTP with Thermal Management - Austin's Nerdy Things
This post details how I achieved an 81% reduction in frequency variability and 77% reduction in frequency standard deviation through a combination of CPU core pinning and thermal stabilization. Welcome to Austin’s Nerdy Things, where we solve problems that 99.999% of people (and 99% of datacenters) don’t have.