Raspberry Pi CM4 Carrier Board comes with RS485/Modbus, CAN, 1-wire interfaces (Crowdfunding)

CM Hunter

Another day, another Raspberry Pi CM4 carrier board. Just like the TOFU carrier board, CM Hunter carrier board for Raspberry Pi CM4 targets industrial applications, but in a different way, as it focuses on industrial communication protocols with Galvanically-Isolated RS485/Modbus, 1-Wire, CAN 2.0B, and together with more common interfaces like Ethernet, HDMI, USB, etc… CM Hunter specifications: Supported systems-on-module – Raspberry Pi Compute Module 4 / 4 Lite Industrial communication Interfaces  Isolated RS485/Modbus (Profibus compatible) based on Texas Instruments ISO1410 controller Isolated CAN 2.0B based on Microchip MCP2515 controller and MAX14879 CAN transceiver Isolated 1-Wire via Maxim DS2482 I2C bridge Storage – MicroSD card slot Video  Output – HDMI 2.0, optional 3.5-inch or 4-inch 480×320 LCD display with resistive touch connected over SPI Networking – Gigabit Ethernet RJ45 port and optional 802.11b/g/n/ac WiFi 5 plus Bluetooth 5.0 LE USB – 2x USB 2.0 ports, 1x micro USB 2.0 OTG port […]

STM32U5 Cortex-M33 MCU gets more performance, 2D graphics accelerator, and advanced security

STM32U5 development board B-U585I-IOT02A Discovery kit

The first STM32 MCU based on Arm Cortex-M33 core was the ultra-low-power STM32L5 microcontroller, and the company is now following up with the STM32U5 series also designed for smart applications including wearables, personal medical devices, home automation, and industrial sensors. The new family has a higher 160 MHz clock speed, up to 2048 KB flash, up to 786 KB RAM, a 2D graphics accelerator, several peripherals have been upgraded, and a new autonomous mode lets DMA and peripherals keep working while most of the device sleeps in order to save power. STM32U5 MCUs also integrate additional hardware security features, and are manufactured using a 40nm process, which the company says is the most advanced process suitable for microcontrollers. Just like for the STM32L5 family, there are two product lines in the STM32U5 series which mostly differ in their security features: STM32U575 with 1024 to 2048 KB of flash memory, 786 […]

Embedded Artists launches 1GHz NXP i.MX RT1176 Crossover MCU module and devkit

uCOM iMX RT1176 Developer Kit

Microcontrollers used to be those cute little chips clocked at 8 MHz, but it’s now common to have MCUs clocked at one or two hundred Megahertz, and with Cortex-M7 cores, several hundred Megahertz is now possible, and NXP even pushed the limit to one Gigahertz with their i.MX RT1170 series of Cortex-M7/M4 Crossover MCUs announced over a year ago. Embedded Artists has now made a computer-on-module and a corresponding devkit based on NXP i.MX 1176 Crossover MCU clocked at one Gigahertz. iMX RT1176 uCOM MCU module delivers up to 6468 Coremarks, comes with up to 32MB SDRAM, 16MB QSPI flash, optional WiFi and Bluetooth, and various peripherals in a tiny 45x42mm form factor. iMX RT1176 uCOM module Specifications: SoC – NXP i.MX RT1176 processor with Cortex-M7 core up to 1 GHz/800MHz (Commercial vs industrial), Cortex-M4 core up to 400/200 MHz, 2MB internal SRAM, 2D GPU with OpenVG 1.1 support and […]

Raspberry Pi Compute Module 4 industrial carrier board supports M.2 NVMe SSD, 4G LTE modem

Raspberry Pi Compute Module 4 industrial carrier board

Since the Raspberry Pi Compute Module 4 launch last fall, we’ve seen several interesting carrier boards for the system-on-module including Wiretrustee to build a NAS with up to four SATA drives, the compact, Arduino-sized Piunora board that also include an M.2 socket, or Over:Board mini-ITX carrier board. Oratek brings another one specially designed for industrial use cases with TOFU Raspberry Pi Compute Module 4 carrier board offering wide DC input, Gigabit Ethernet with PoE, M.2 NVMe SSD or 4G LTE modem support, among many other features. Specifications: Raspberry Pi Compute Module 4 socket Storage NVMe SSD via M.2 2242 Key B socket (See Expansion section) MicroSD card slot Video Output HDMI 2.0 port up to 4Kp60 MIPI DSI connector for Raspberry Pi LCD display Camera – 1x MIPI CSI connector for Raspberry Pi camera Connectivity Gigabit Ethernet port with PoE Optional WiFI 5 and Bluetooth 5.0 on Raspberry Pi CM4 […]

Qualcomm unveils Snapdragon XR1 based AR smart glasses reference design

Snapdragon XR1 AR Smart Viewer

Qualcomm introduced the Snapdragon XR2 5G VR Reference Design last year based on their latest Snapdragon XR2 virtual/extended reality processor. But the company never designed a reference design for the earlier Snapdragon XR1 that was found in Google Glass Enterprise Edition v2. Better late than never, as the company has now announced the Snapdragon XR1 AR smart viewer reference design. If you happen to be a human not part of Qualcomm’s marketing team, you may wonder what an “AR smart viewer” is. The team behind the terms “Mobile Platform” (i.e. SoC + some companion chips), “Visual subsystem” (i.e. GPU, ISP, and stuff), is now bringing the new “AR Smart viewer” term for what commoners like myself used to call “smart glasses”. The reference design can tether to a compatible smartphone, Windows PC, or processing puck and is said to work best with other Qualcomm Snapdragon platforms. Some of the highlights […]

Arduino MKR IoT Carrier embeds display, sensors, and I/Os for IoT projects

Arduino MKR IoT Carrier board

Arduino Oplà IoT Kit was launched last fall as the first open programmable IoT platform from the company. The kit included everything you need to create your own IoT devices with MKR IoT carrier with a 1.3-inch OLED color display,  environmental sensors, capacitive touch buttons, Arduino MKR WiFi 1010 board, external PIR motion and moisture sensors, a circular plastic enclosure, and various cables. But the community soon wanted to only buy the carrier board without having to purchase the whole kit, so Arduino has just started to sell MKR IoT Carrier board as a standalone product. Arduino MKR IoT Carrier features & specifications: Compatible with Arduino MKR family boards with WiFi, LoRa, NB-IoT, or 3G cellular connectivity Storage – MicroSD card holder Display – Round 1.3-inch OLED display I/Os 2x 24V relays 3x Grove connectors include two analog and one digital (I2C) Sensors  – Temperature, humidity, pressure, RGBC light, gesture […]

StereoPi v2 stereoscopic camera is powered by Raspberry Pi CM4 (Crowdfunding)

StereoPi v2 Raspberry Pi CM4 camera

StereoPi stereoscopic camera based on Raspberry Pi Compute Module 3 was introduced in late 2019 on Crowd Supply.  The camera can record 3D video, create 3D depth maps with OpenCV, and benefits from the Raspberry Pi software ecosystem. The developers are now back with an upgraded model. StereoPi v2 comes with many of the same features, but as it is based on Raspberry Pi CM4 (Compute Module 4) it offers better performance, Gigabit Ethernet, Wifi & Bluetooth connectivity out of the box, while other features like PoE, TFT screen, shot button, etc.. are optional. StereoPi v2 specifications: Supported SoM – Raspberry Pi CM4 or CM4Lite modules Storage – MicroSD card socket Video Output – Micro HDMI port Camera I/F – 2x MIPI CSI camera connector plus “hackable camera lines” Networking – Gigabit Ethernet RJ45 port, plus optional WiFi 5 and Bluetooth 5.0 on Raspberry Pi CM4 module USB – 2x […]

Crowbits magnetic blocks for STEM Education work with Arduino, Micro:bit, ESP32, and Raspberry Pi (Crowdfunding)

Crowbits magnetic electronics blocks

Elecrow develops and manufactures electronics products for the maker market, and in recent years entered the STEM education market with products such as CrowPi2 Raspberry Pi 4 education laptop that I reviewed last year. The laptop integrates plenty of electronics modules, and students can learn Scratch visual programming as well as Python programming with the educational software running on the laptop. The company has now launched Crowbits magnetic electronic blocks for STEM education, and compatible with Arduino, ESP32, Raspberry Pi, and Micro:bit boards. There are over 80 programmable electronic magnetic modules and Lego bricks, with three different sizes ( large, middle, and small modules) of different colors with blue used for power control and logic control, green for output, yellow for input, and orange for advanced programming. Out of the 80+ modules, around 30 can be used without programming at all. Elecrow provides 5 kits to let users learn basic […]

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