If you like fancy, but somewhat expensive and useless things, 52Pi’s water cooling kit for Raspberry Pi 5 SBC may be right up your alley and the over-engineered cooling solution sells for $120 on Seeed Studio where we discovered the kit. We’ve already seen the active cooler and official case do a decent job at cooling the Raspberry Pi 5, but several companies have also launched fanless cases for the latest Pi single board computer. Water cooling may only make sense when attempting to overclock the Raspberry Pi 5, and 52Pi claims the Broadcom BCM2712 processor can run a 3.0 GHz at a relatively cool temperature of 55°C. 52Pi water cooling kit content: Main water cooling unit with RGB LED fan, water tank, and base Water cooling radiator (that’s the orange thing on top of the Raspberry Pi) Black heatsink 2x Silicone hoses 12V/2A power adapter (US) 4x M2.5*10 hexagonal screws […]
Vivante NPU (found in Amlogic A311D) gets its open-source driver upstreamed to Mesa
The Teflon project is an open-source TensorFlow Lite delegate that currently supports VeriSilicon Vivante NPU and aims to support several other AI accelerators over time. The project has recently been upstreamed to Mesa meaning AI inference with open-source software will work out of the box in supported hardware once Mesa 24.1 is released in May 2024. Teflon relies on the Etnaviv open-source driver better known for working with Vivante GPUs found, for instance, in NXP i.MX processors, but Tomeu Vizoso also worked on implementing Vivante NPU support since May 2022 thanks to a sponsorship from Libre Computer and documented the development progress on this blog. The VeriSilicon Vivante “VIPNano-QI.7120” 5 TOPS NPU is found in the Amlogic A311D processor, and Tomeu tested Teflon with the Etnaviv NPU drive on both the Libre Computer AML-A311D-CC Alta and Khadas VIM3 single board computers with decent performance although still slower than with the […]
Waveshare ESP32-S3-LCD-1.28 development board with 1.28-inch IPS round LCD is available for $15
The Waveshare “ESP32-S3-LCD-1.28” is an ESP32-S3-based display board featuring a 1.28-inch round LCD screen with a 240×240 resolution, driven by the GC9A01 display driver chip. It also includes a Li-ion battery charger, a QMI8658 6-axis IMU (for motion tracking), a USB Type-C connector, and wireless capabilities. This board is quite similar to others like the Lilygo T-RGB, Round Display for XIAO, ESP32-S3 Round SPI boards. However, it’s thinner and more affordable. Waveshare ESP32-S3-LCD-1.28 development board specifications: Wireless MCU – ESP32-S3 Xtensa 32-bit LX7 dual-core, up to 240MHz frequency. Display: 1.28-inch round IPS LCD. Resolution – 240×240 pixels. 65K color. Display Chip – GC9A01A. IMU Parameters: Sensor – QMI8658 Accelerometer resolution – 16-bit; Range (Optional): ±2, ±4, ±8, ±16g. Gyroscope resolution – 16 bits; Range (Optional) – ±16, ±32, ±64, ±128, ±256, ±512, ±1024, ±2048°/sec. Memory: Built-in 512KB SRAM. 384KB ROM. Onboard 2MB PSRAM. External 16MB Flash memory (W25Q128JVSIQ). Wireless Connectivity: […]
GEEKOM Mini IT12 Review – Part 3: Ubuntu 22.04 Linux on an Intel Core i7-12650H mini computer
We first checked out the hardware of GEEKOM Mini IT12 with an unboxing and teardown, before testing the Intel Core i7-12650H mini PC with Windows 11 Pro in the second part of the review, and we’ve now had time to test the device with Ubuntu 22.04 to see how well (or not) it works with a Linux distribution. In the third part of the review, we will report our experience with installing Ubuntu 22.04 on the GEEKOM Mini IT12, checking all main features, and benchmarking the system to evaluate its performance. This includes some networking and storage performance tests, a stress test to check CPU temperature and cooling performance, and the measurement of the fan noise and power consumption. Ubuntu 22.04 installation on GEEKOM Mini IT12 Since we wanted to install Ubuntu 22.04 alongside Windows 11 Pro, we shrunk the Windows 11 partition by about half in the Disk Management […]
Renesas releases the DA14592, a new dual-core Cortex-M33/M0+ BLE chip with integrated flash
The DA14592 System-on-Chip (Soc) is Renesas’ “lowest power consumption and smallest, multi-core Bluetooth LE device.” According to the company, this chip’s design was achieved by making careful tradeoffs between on-chip memory and die size. The chip offers an ultra-low power mode that uses only 2.3mA when transmitting radio signals at 0dBm and consumes 1.2mA to receive radio signals. It also supports a hibernation mode that uses about 90nA and can extend the operating life of battery-powered products. The active mode is best for processing-intensive products and uses 34µA for every MHz of CPU clock. Projected key applications for the DA14592 chip include crowd-sourced location (CSL) tracking as used in Apple’s Airtags, remote control units, human interface devices, asset tracking, IoT end nodes, data logging, connected health, and activity tracking. Renesas DA14592 specifications: CPU cores: Cortex-M33F running at up to 64MHz as application core Cortex-M0+ at 64MHz as configurable MAC Memory: […]
Geekworm X1003 PCIe to NVMe SSD adapter for Raspberry Pi 5 works with the active cooler or official case
The Geekworm X1003 is a well-designed PCIe to NVMe expansion board for the Raspberry Pi 5. It supports 2230 and 2242 SSDs with M.2 M-Key, does not interfere with the airflow when using the active cooler, and fits snugly within the official Pi 5 ABS case although you need to take out the fan layer from the top of the case. We previously wrote about the low-cost Waveshare PCIe to M.2 adapter, but user Rex Tang highlighted a design flaw with its 2230 screw mount affecting 2242 SSDs that have chips on both sides of the module. Then, user PANiCnz recommended the X1003 with a compact design that doesn’t have the same issue. We also covered other PCIe to NVMe expansion boards such as Pimoroni NVMe Base and PineBerry Pi’s HatDrive, so feel free to check those out if interested. Geekworm X1003 PCIe to NVMe adapter specifications: Compatible with Raspberry […]
FOSDEM 2024 schedule – Open-source embedded, mobile, IoT, robotics, RISC-V, etc..
FOSDEM – which stands for Free and Open Source Software Developers’ European Meeting – is a free-to-participate event where thousands of developers meet in Brussels on the first week-end of February to discuss open-source software & hardware projects. FOSDEM 2024 will take place on February 3-4 with 880 speakers, 818 events, and 66 tracks. Although I won’t attend, I’ve created a virtual schedule like every year with sessions most relevant to the topics covered on CNX Software from the “Embedded, Mobile and Automotive” and “Open Hardware and CAD/CAM” devrooms, but also other devrooms including “FOSS Mobile Devices”, “ Energy: Reimagining this Ecosystem through Open Source”, “RISC-V”, and others. FOSDEM Day 1 – Saturday, February 3, 2024 10:30 – 10:55 – Screen Sharing on Raspberry Pi 5 Using VNC in Weston and Wayland with the Yocto Project and OpenEmbedded by Leon Anavi In 2023, embedded Linux developers received eagerly awaited news: […]
LILYGO T-Panel – A 4-inch HMI display and WiFi, BLE, and 802.15.4 gateway based on ESP32-S3 and ESP32-H2
LILYGO T-Panel is both a 4-inch HMI display and IoT gateway based on ESP32-S3 WiFi 4 and Bluetooth LE 5 microcontroller and an ESP32-H2 module with Bluetooth LE 5 and an 802.15.4 radio for Zigbee, Thread, and Matter connectivity. Last year, Espressif introduced the ESP-Thread Board Router/Zigbee gateway board with ESP32-S3 and ESP32-H2 to show how both chips could be combined to create IoT gateways. But I don’t think I had seen a company design a product based on both ESP32-S3 and ESP32-H2 until I saw the T-Panel which also includes an RS485 interface and Qwiic expansion connectors for good measure. T-Panel specifications: Wireless chips/modules Wireless SoC – ESP32-S3R8 dual-core Tensilica LX7 microcontroller @ 240 MHz 2.4 GHz 802.11n WiFi 4 and Bluetooth 5.0 LE connectivity Memory – 8MB PSRAM Wireless module – ESP32-H2-MINI-1 module MCU – Espressif Systems ESP32-H2 32-bit RISC-V microcontroller at up to 96 MHz with 320 […]