Posted on by Debashis Das - 1 Comment on Infineon PASCO2V15 CO2 sensor achieves ±50 ppm accuracy with built-in microphone and IR emitter

Infineon PASCO2V15 CO2 sensor achieves ±50 ppm accuracy with built-in microphone and IR emitter

PASCO2V15 XENSIV PAS CO2 Sensor

Infineon’s PASCO2V15 CO2 sensor is a compact and precise carbon dioxide sensor that uses photoacoustic spectroscopy (PAS) leveraging its built-in microphone and IR emitter to detect CO2 levels by measuring pressure changes caused by the absorption of infrared light by CO2 molecules. The sensor is highly precise (±50 ppm ±5%) and can cover a wide range (0 to 32,000 ppm). it also includes features like pressure compensation and automatic baseline offset correction for reliability. With its small size and low power consumption, the PASCO2V15 can be integrated into HVAC systems, room controllers, smart thermostats, air purifiers, and other devices to optimize ventilation and improve energy efficiency. PASCO2V15 CO2 sensor specifications Sensor technology  – Photoacoustic Spectroscopy (PAS) with Non-Dispersive Infrared (NDIR) principles Gas measured – Carbon Dioxide (CO2) Measurement range – 0 to 32,000 ppm Accuracy – ± (50 ppm +5%) of reading between 400 ppm and 3000 ppm Output Interfaces […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on Quartz64 Zero – A customizable, cost-optimized Rockchip RK3566T SBC with Raspberry Pi PCIe connector

Quartz64 Zero – A customizable, cost-optimized Rockchip RK3566T SBC with Raspberry Pi PCIe connector

Quartz64 Zero

The Quartz64 Zero is a thinner, cheaper version of the Quartz64 Model B with a Rockchip RK3566T quad-core Cortex-A55 SoC clocked at 1.6 GHz, 1GB LPDDR4, and HDMI and USB ports. The Quartz64 Zero has almost the same design as the Quartz64 with footprints for optional components (more on that later). Two noticeable differences are the presence of the 20-pin PCIe connector compatible with the one found on the Raspberry Pi 5 instead of a mini PCIe socket, and WiFi 6 and Bluetooth 5.4 support instead of just WiFi 5/Bluetooth 5.0. Quartz64 Zero specifications (changes highlighted in bold and strikethrough when items have been removed): SoC – Rockchip RK3566T CPU – Quad-core Cortex-A55 processor up to 1.6 GHz GPU – Arm Mali-G52 GPU supporting OpenGL ES 1.1/2.0/3.2, OpenCL 2.0, Vulkan 1.1 NPU – 0.8 TOPS NPU for AI acceleration (Unclear whether it’s present, not listed in the specs) System Memory […]

ArmSoM CM5 - Raspberry Pi CM4 alternative with Rockchip RK3576 SoC
Posted on by Tomisin Olujinmi - 8 Comments on Jumperless V5 programmable breadboard is based on Raspberry Pi RP2350B, features a built-in power supply (Crowdfunding)

Jumperless V5 programmable breadboard is based on Raspberry Pi RP2350B, features a built-in power supply (Crowdfunding)

Jumperless V5 programmable breadboard

Jumperless V5 is a one-of-a-kind, programmable breadboard based on a Raspberry Pi RP2350B microcontroller that lets you skip the jumper wires and jump right into prototyping. It is described as “an Integrated Development Environment (IDE) for hardware.” The Jumperless V5 also removes the need for test equipment as it comes with built-in power supplies and can function as a multimeter, oscilloscope, function generator, and logic analyzer. As the name implies, the Jumperless V5 breadboard is a revamped version of the original Jumperless, with significant upgrades to make the board easier to use. The Jumperless V5 features a 14 x 30 LED matrix display under the breadboard, a probe for making connections and measurements, four ±8 V, 300 mA power supplies, daisy-chain headers, and overcurrent/overvoltage protection. The software-defined jumpers allow all points to be connected. The four individually programmable ±8 V power supplies, GPIOs, and management channels for voltage, current, and […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 14 Comments on Olimex RVPC is a one Euro RISC-V computer kit with VGA and PS/2 connectors

Olimex RVPC is a one Euro RISC-V computer kit with VGA and PS/2 connectors

One Euro RISC-V computer

Olimex RVPC is one Euro RISC-V computer powered by a WCH CH32V003 RISC-V microcontroller and equipped with a VGA port for video output and a PS/2 connector to connect a keyboard. You won’t be able to do much with this device as an end-user, but it does not matter since the RVPC open-source hardware board mostly targets the education market and is offered as a kit to be soldered to lower the selling price and to serve as a soldering learning kit. Olimex RVPC specifications: MCU – WCH CH32V003 32-bit RISC-V2A microcontroller up to 48 MHz with 2KB SRAM, 16KB flash (SOP8 package with 6x GPIOs) Video Output – VGA connector (3x GPIO used for Vsync, HSync, and RGB) Keyboard port – PS/2 connector (2x GPIO used) Programmer port – 2-pin header for CH32V003 programming through a board such as ESP32-S2-DevKit-LiPo-USB Misc – Buzzer (1x GPIO) and Red power LED […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 39 Comments on OpenWrt One WiFi 6 router with Filogic 820 SoC launched for $89

OpenWrt One WiFi 6 router with Filogic 820 SoC launched for $89

OpenWrt One Router

The “OpenWrt One/AP-24.XY” is a Filogic 820-based WiFi 6 router board manufactured by Banana Pi whose software is directly managed by OpenWrt developers with assistance from MediaTek. The router was first announced in January 2024, and developer samples became available sometime in April with some early units auctioned away at the OpenWrt Summit which took place in Cyprus on May 18-19. The good news is that the OpenWrt One is now available to anyone on Aliexpress for $89 including a metal enclosure, a PoE module, three antennas, and a power supply. Here’s a reminder of the OpenWrt One router specifications: SoC – MediaTek MT7981B (Filogic 820) dual-core Cortex-A53 processor @ 1.3 GHz System Memory – 1GB DDR4 Storage 128 MB SPI NAND flash for U-boot and Linux 4 MB SPI NOR flash for write-protected (by default) recovery bootloader (reflashing can be enabled with a jumper) Two types of flash devices […]

Posted on by Sayantan Nandy - 9 Comments on UnifyDrive UT2 – A compact NAS powered by Rockchip RK3588C with NVMe SSD support and AI-driven storage management (Crowdfunding)

UnifyDrive UT2 – A compact NAS powered by Rockchip RK3588C with NVMe SSD support and AI-driven storage management (Crowdfunding)

UnifyDrive UT2 NAS

The UnifyDrive UT2 is a compact network-attached storage (NAS) device powered by the Rockchip RK3588C processor. It supports WiFi 6, and Bluetooth, and has multiple ports for connectivity. Equipped with two M.2 2280 slots for PCIe 3.0 NVMe SSDs, it offers up to 16 TB of storage. The device can connect to networks via 2.5 GbE or WiFi and also function as a WiFi access point, allowing file transfers even without an internet connection. A built-in battery provides uninterruptible power supply (UPS) functionality, enabling continued operation when unplugged. Designed for both home and mobile use, the UnifyDrive UT2 offers AI-driven storage management in a portable form factor. Its versatile networking options allow remote access, backups, and on-the-go file transfers. Despite its size, it delivers robust functionality, serving as a full-featured NAS solution in a variety of settings. I didn’t find any significant differences between the Rockchip RK3588 and RK3588C. This […]

Rockchip RK3568/RK3588 and Intel x86 SBCs
Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on Thunderbolt 5 devices are starting to show up with OWC portable SSD and Kensington docking station

Thunderbolt 5 devices are starting to show up with OWC portable SSD and Kensington docking station

Kensington SD5000T5 EQ Thunderbolt 5 Triple 4K Docking Station

Thunderbolt 5 was first unveiled last year with promises of 120 Gbps bandwidth and support for multiple 8K monitors. The good news is that the first Thunderbolt 5-compliant devices are now coming to market. There’s not too much to choose from for now, but we need to start somewhere, and the OWC Envoy Ultra portable SSD ($299.99 and up) and the Kensington SD5000T5 EQ Thunderbolt™ 5 Triple 4K Docking Station with 140W PD  ($399.99) – also found on Amazon –  are some of the first Thunderbolt 5 devices to make it to market. OWC Enjoy Ultra Thunderbolt 5 portable SSD Key features: Speed over 6000MB/sm or up to twice faster than Thunderbolt 4 and USB4 Capacity – 2TB or 4TB Compatibility – Macs, PCs, iPad Pros, Chromebooks, and Surface devices with a Thunderbolt 3 to 5 port, or USB4 port Rugged design – Waterproof, dustproof, and crushproof Power Supply – […]

Posted on by Tomisin Olujinmi - 14 Comments on Sensor Watch Pro turns the Casio F-91W into a modular Arm Cortex M0+-based digital “smartwatch” (Crowdfunding)

Sensor Watch Pro turns the Casio F-91W into a modular Arm Cortex M0+-based digital “smartwatch” (Crowdfunding)

Sensor Watch Pro board with watch

Joey Castillo of Oddly Specific Objects has released a follow-up to the Sensor Watch, aptly named Sensor Watch Pro. The Sensor Watch Pro remains a board swap for the classic Casio F-91W or A158W digital watch that replaces the original quartz movement with the low-power ARM Cortex-M0+ microcontroller. The Sensor Watch Pro retains features from the Sensor Watch Lite and comes with a few upgrades such as a louder piezo buzzer, an RGB LED, an infrared light sensor, and a completely soldering-free experience. The new watch integrates a custom-fabricated metal spring connector that previously had to be manually soldered after purchase. We had also looked at other hackable watches in the past, such as Bangle.js, Bangle.js 2, and Watchy. Buyers can opt for a custom LCD that extends the number of segments available from 72 segments to 92 segments. It comes with an onboard temperature sensor and can be connected […]

Boardcon Rockchip and Allwinner SoM and SBC products