Raspberry Pi News - Page 50 of 152 - CNX Software

January 13, 2022 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Raspberry Pi CM4 Nano industrial mini PC supports wide temperature range, 12-18V DC input

If you ever wanted a mini PC similar to Raspberry Pi 4 but working within a wider temperature range and supply voltage, as well as a few extra features, the Raspberry Pi CM4 Nano industrial mini PC with a metal enclosure might be worth looking at. Based on the EDATEC CM4 Nano carrier board, the mini PC supports Raspberry Pi CM4 with up to 8GB RAM, 32GB storage, optional WiFi 5 and Bluetooth 5.0, and offers one HDMI port, a flat cable HDMI + Touchscreen connector, Gigabit Ethernet, three USB 3.0 ports and more. It works in settings with -25 to +60°C ambient temperature and offers a 12-18V DC input. EDATEC (Raspberry Pi) CM4 Nano specifications compared to Raspberry Pi 4 SBC: The company uses the Raspberry Pi OS image for the board plus a Board Support Package (BSP) specific to CM4 Nano to support extra features like the RTC: […]

January 5, 2022 by Jean-Luc Aufranc (CNXSoft) - 29 Comments

Raspberry Pi CM4 carrier board comes with 5x SATA, 4x GbE, 2x HDMI, RS-485 interfaces

Axzez interceptor Raspberry Pi CM4 carrier board

We just wrote that Wiretrustee carrier board for Raspberry Pi CM4 with four SATA interfaces was canceled and made open-source hardware a few days ago, but the Axzez Interceptor carrier board is offering a solution that is somewhat similar with 5x SATA ports and designed for NAS, NVR, IoT, and Managed Switch applications. The Interceptor Carrier Board for Raspberry Pi CM4 notably includes two 4Kp60 capable HDMI ports, 5x SATA ports, 4x RJ45 Gigabit Ethernet ports, 4x USB 2.0 interfaces, RS-485, and is powered via an ATX-24 connector, with a Mini-ITX adapter in the works. Axzez Interceptor specifications: Compatible SoM – Raspberry Pi Compute Module 4 Storage Support for 5x SATA HDD/SSD via JMicron JMB585 PCIe to SATA controller Supports software RAID 0, 1, 5, 6 or 10 HDD sleep/standby Video Output – 2x full-size HDMI 2.0 connectors (4Kp60) Networking – 4x Gigabit Ethernet ports via Realtek RTL8367RB switch; programable […]

December 31, 2021December 31, 2022 by Jean-Luc Aufranc (CNXSoft) - 16 Comments

Year 2021 in review – Top 10 posts and statistics

As per tradition, we’ll look back at what happened during the year in the last post, and see what 2022 may have in store, plus the usual statistics from CNX Software website. The biggest story of 2021 has to be the worsening of semiconductors shortages with extremely long lead times, prices of some components going up multiple folds, constant complaints on Twitter about availability and prices. I think I even saw a website, hopefully misconfigured, showing an estimated availability of a specific STM32 MCU in 2037. This also gave rise to opportunities and board redesigns, with MotorComm Ethernet chips replacing some Realtek chips in SBCs such as NanoPi R2C and Orange Pi R1S Plus LTS, and CH9102F showing up as a replacement for CP2104 in some IoT boards. We also got some interesting Arm processors, but sadly the high-expected Rockchip RK3588 got delayed by another year, although it’s getting really […]

December 31, 2021December 31, 2021 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Mico – A USB microphone based on Raspberry Pi RP2040 MCU

Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller has found its way into Mico, a compact USB microphone with a PDM microphone providing better quality than cheap USB microphones going for one or two dollars or even 5 cents shipped for new Aliexpress users. The project started when Mahesh Venkitachalam (Elecronut Labs) was doing audio experiments with Machine Learning on the Raspberry Pi, and found out USB microphone dongles were extremely noisy with poor (distance) sensitivity, so he completed the project with a high-quality I2S microphone instead. He then had the idea of making his own USB microphone and found out Sandeep Mistry had already developed a Microphone Library for Pico, so he mostly had to work on the hardware that’s how Mico Raspberry Pi RP2040 USB microphone came to be. Mico specifications: MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133 MHz with 264KB SRAM Storage – 128Mbit […]

December 29, 2021 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Raspberry Pi UPS HAT takes two 18650 batteries (Crowdfunding)

Raspberry Pi UPS solutions have been available for years with products like PiJuice Zero, PiVoyager, or LiFePO4wered/Pi+. But the team at SB Components has designed another UPS HAT for Raspberry Pi with a holder for two 18650 batteries. The HAT is designed for 5V operation up to 2.5A, connects with the Raspberry Pi SBC through the I2C bus from the 40-pin GPIO header, and is equipped with a 0.91-inch OLED for information display. UPS HAT for Raspberry Pi specifications: Power Input – 8.4V/2A via DC jack Power Output – 5V up to 2.5A through LDO chip (GPIO header and 2x USB ports) Display – 0.91-inch OLED Host interface – I2C Misc – On/Off switch Battery support 18650 Lithium battery (not included) via holder for two batteries Battery reverse indicator Charging and voltage monitoring via TI INA219 I2C chip Battery voltage balancing with Hycon HY2213 Battery protection IC (Hycon HY2120) Dimensions […]

December 28, 2021December 28, 2021 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Phased out Raspberry PI CM4 quad SATA carrier board becomes open-source hardware

Wiretrustee carrier board for Raspberry Pi CM4 was unveiled about one year ago with four SATA connectors to help people build their own 4-bay NAS. Unfortunately, the company decided to discontinue the project due to the semiconductors market situation. The good news is the board is now open-source hardware with all resources shared publicly including the Allegro schematics and PCB layout, Gerber files, 3D models for the heatsink, and case designs for 2.5-inch or 3.5-inch drives. All files are available under “CERN Open Hardware Licence Version 2 – Permissive”. Here’s a quick reminder about the Wiretrustee board specifications: Supported SoM – Raspberry Pi Compute Module 4 and 4 Lite Storage 4x SATA 2.0 via Marvell 88SE9215 (PCIe 2.0 x1 to 4 6Gb/s SATA ports, no HW RAID) MicroSD card slot Video Output – HDMI 2.0 up to 4Kp60 Networking – 1x Gigabit Ethernet port USB – 2x USB 2.0 ports […]

December 20, 2021 by Jean-Luc Aufranc (CNXSoft) - No Comments

DIY Pip-Boy wrist computer is equipped with Adafruit Feather RP2040 board

The Pip-Boy is a (virtual) personal information processor found in Fallout post-apocalyptic role-playing video games. But John Edgar Park decided to bring the wrist computer to (real) life combining an Adafruit Feather RP2040 board, a round IPS TFT color display, directional buttons, a joystick, and a battery. The Raspberry Pi RP2040 based Pip-Boy is programmed with CircuitPython and the demo code is a slide-show with navigation controls, but you could obviously adapt the code to your needs. The main components are: Black Adafruit Feather RP2040 board Adafruit Joy FeatherWing adding buttons and a joystick Adafruit 1.69″ 280×240 Round Rectangle Color IPS TFT Display FeatherWing Tripler mini kit to connect the two boards above and the display 3D printed enclosure A 3.7V/420mAh LiPo battery for power On/off switch The design is completed with some headers, stand-offs, screws, and a nylon watch strap. You’ll find detailed instructions with the list of parts, […]

December 15, 2021December 21, 2021 by Jean-Luc Aufranc (CNXSoft) - No Comments

CANBed Raspberry Pi RP2040 board supports CAN Bus, OBD-II protocol

CANBed: Raspberry Pi RP2040 CAN Bus board

We previously wrote about adding CAN Bus to Raspberry Pi Pico with CANpico expansion board. CANBed is a single board with a Raspberry Pi RP2040 microcontroller and a Microchip MCP2551 CAN receiver plus some extra I/Os that offers an alternative. CANBed supports the CAN 2.0 and OBD-II protocols via either a DB9 connector or a 4-pin terminal block, offers two 4-pin Grove headers and an extra I/O header for expansion, as well as 9-28V power input. CANbed specifications: MCU – Raspberry Pi RP2040 dual-core Cortex-M0+ microcontroller @ up to 133 MHz with 264KB SRAM Storage – 2MB SPI flash CAN 2.0 or OBD-II interface via DB9 port or 4-pin terminal block via Microchip MCP2551 CAN transceiver, 120 Ohm terminal resistor. USB – 1x Micro USB port for programming Expansion 2x Grove header (I2C + UART) SPI header 18-pin header with GPIO, UART, I2C, 4x analog inputs, 5V, GND Misc – […]