CNX Software - Embedded Systems News

May 23, 2023May 23, 2023 by Jean-Luc Aufranc (CNXSoft) - 7 Comments

Ultrawide 8.8-inch HDMI and USB information display is offered with optional touchscreen support

8.8-inch information display HDMI USB touchscreen

Last year, I wrote about the Turing Smart Screen low-cost 3.5-inch display based on a WCH CH552T 8-bit E8051 core microcontroller that connects to a PC or other device through a USB Type-C cable in order to display system or other information using AIDA64 software or an open-source Python software. I’ve just come across another display that appears to serve the same purpose, except the “GeekTeches V35” is an ultrawide 8.8-inch display with 1920×480 resolution, micro USB and micro HDMI interfaces, and optional support for a touchscreen. GeekTeches V35 specifications: Display 8.8-inch IPS display with 480×1920 resolution (21:9 aspect ratio) with optional touch screen Pixel size – 0.114 x 0.114 mm Display area – 54.72 x 218.88 mm Wide display angle Brightness – 550cd/m2, adjustable Driver: IC/LCM Driver IC Display interface – “MIPI BIT interface”. Not sure what this is… a typo for MIPI DSI? Backlight current – 160ma Backlight […]

May 23, 2023May 26, 2023 by Sponsored Post - Comments Off

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May 22, 2023May 23, 2023 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Link.ONE LTE-M, NB-IoT, and LoRaWAN all-in-one LPWAN devkit is programmable with the Arduino IDE

RAKwireless Link.ONE is an all-in-one LPWAN development kit programmable with the Arduino IDE and based on nRF52840 Cortex-M4F 2.4 GHz multi-protocol wireless microcontroller, Semtech SX1262 LoRa RF transceiver, and Quectel BG77 LTE-M and NB-IoT module and comprised of components from the company’s WisBlock IoT prototyping platform. Besides the WisBlock modules, the kit includes everything to get started with four antennas for LTE-IoT, LoRaWAN, GNSS, and Bluetooth connectivity, a USB cable for power and programming, and a Monogoto SIM card with global coverage and 500MB of data valid for 10 years. Link.ONE hardware specifications: RAK19007 WisBlock base board with USB connector and Li-ion charger RAK4631 WisBlock core module with Nordic Semiconductor nRF52840 32-bit Arm Cortex-M4F microcontroller @ 64 MHz with 1 MB Flash, 256 KB RAM, Bluetooth Low Energy 5.0 protocol stack Semtech SX1262 LoRa/LoRaWAN RF transceiver with LoRaWAN 1.0.2 protocol stack (supports Class A & C), global coverage support: RU864, […]

May 22, 2023September 16, 2023 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

SparkFun “Datalogger IoT – 9DoF” no code platform supports over 50 Qwiic sensor modules

SparkFun “DataLogger IoT – 9DOF” is an ESP32-based data logger board that transfers data to a microSD card or wirelessly to the cloud and comes with firmware that can automatically detect over 50 Qwiic modules without any programming required from the user making it a so-called “no code platform“. The board comes with a 9-axis IMU sensor + magnetometer, and two Qwiic connectors, and the data is stored in CSV or JSON formats on a microSD card or sent to IoT cloud platforms such as Amazon AWS IoT, Microsoft Azure, or Mathworks ThingSpeak using protocols like MQTT or HTTP. SparkFun “Datalogger IoT – 9DoF” specifications: Wireless module – ESP32-WROOM-32E: ESP32 dual-core microcontroller 4MB flash 2.4 GHz WiFi and Bluetooth LE connectivity, built-in PCB antenna Storage – MicroSD card slot Sensors 6-axis IMU accelerometer & gyro (ISM330DHCX) Magnetometer (MMC5983MA) 2x Qwicc I2C connectors for additional sensors USB – 1x USB Type-C […]

May 22, 2023May 22, 2023 by Jean-Luc Aufranc (CNXSoft) - 24 Comments

$25 Sipeed Tang Nano 20K FPGA board can simulate a RISC-V core, run Linux, retro games

The Sipeed Tang Nano 20K is a low-cost FPGA development board based on Gowin GW2AR-18 FPGA with 20,736 logic cells and 64Mbit RAM, which coupled with 64MBit QSPI flash provides enough resources to simulate a 32-bit RISC-V core booting Linux or playing retro games in an emulator. The FPGA board comes with a USB-C port for power and to load the FPGA bitstream through a BL616 microcontroller that also acts as a USB to serial chip, an HDMI port and an RGB LCD interface for video output, two user buttons, and two rows GPIOs to connect peripherals such as gamepads (through adapters). Sipeed Tang Nano 20K specifications: FPGA – Gowin GW2A-LV18QN88C8I7 with 20,736 logic units (LUT4) 15,552 flip-flops (FF) RAM 41,472 shadow SRAM (S-SRAM) 828K block SRAM (B-SRAM) Numbers of B-SRAM – 46 64Mbit 32-bit SDR SDRAM 48x 18×18 multipliers 2x PLLs 8x I/O Bank Onboard debugger – Bouffalo Labs […]

May 21, 2023May 29, 2023 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Using BTT Pad 7 touchscreen display with Raspberry Pi CM4

The BTT Pad 7, or BIGTREETECH Pad 7 in full, is a 7-inch touchscreen display that ships with the CB1 Allwinner H616 system-on-module compatible with Raspberry Pi CM4. The display is mostly designed for 3D printers with its SPI and CAN Bus interfaces, but it can also be used as a standard tablet PC. So today, I’ll switch the CB1 with a Raspberry Pi CM4 Lite module and report my experience doing the conversion and using it as a Raspberry Pi CM4 tablet PC running Raspberry Pi OS, and test it with a 3D printer with Klipper in another post later on. Installing a Raspberry Pi CM4 (Lite) module in the BTT Pad 7 We’ll need the Pad 7, a Raspberry Pi CM4, and a few tools. The first step is to remove the red heatsink by loosening four screws with a 2.0mm hex key, as well as the cover […]

Rockchip RK3568/RK3588 and Intel x86 SBCs

May 20, 2023May 20, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

Intel NUC 13 Rugged “Bravo Canyon” fanless Alder Lake-N mini PC is designed for 24/7 operation

The Intel NUC 13 Rugged, codenamed “Bravo Canyon, is an upcoming fanless and dust-resistant mini PC powered by an Alder Lake-N processor and designed for 24/7 operation suitable for business and industrial applications, albeit just in a 0°C to 40°C or 50°C temperature range. The rugged computer is offered with either an external or internal heatsink, supports up to 16GB DDR5 memory, comes with 64GB eMMC flash, M.2 sockets for NVMe and/or SATA SSDs, two 4Kp60 capable HDMI 2.1 ports, two 2.5GbE networking interfaces, four USB 3.2/2.0 ports, and optional support for WiFi 6, 4G LTE cellular connectivity, and an internal expansion bay. Intel NUC 13 specifications: Alder Lake-N SoC (one or the other) Intel Atom x7425E quad-core processor up to 3.4 GHz with 6MB L3 cache, Intel UHD Graphics; 12W TDP Intel Atom x7211E dual-core processor up to 3.2 GHz with 6MB L3 cache, Intel UHD Graphics; 6W TDP […]

May 19, 2023May 19, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

NXP S32K344 evaluation board for mobile robots offers one 100BaseT1, six CAN-FD interfaces

MR-CANHUBK344 is an evaluation board based on NXP S32K344 Arm Cortex-M7 automotive general-purpose microcontroller designed for mobile robotics applications such as autonomous mobile robots (AMR) and automated guided vehicles (AGV) with a 100baseT1 Ethernet interface and six CAN-FD ports. The six CAN bus connectors come in three pairs of CAN-FD, CAN-SIC (signal improvement), and CAN-SCP (secure) interfaces using NXP chips. The board can notably be used for tunneling CAN over Ethernet using IEEE1722, plus the board is equipped with an SE050 Secure element with NFC for authentication, and various general-purpose peripheral interfaces via DroneCode standard JST-GH connectors. MR-CANHUBK344 evaluation board specifications: MCU – NXP S32K344 lockstep Cortex-M7 microcontroller @ up to 160 MHz with 4MB flash, 512KB SRAM, 6x CAN bus interfaces, up to 218 I/Os, AEC-Q100 compliant Ethernet – ASIL-B compliant 100BASE-T1 Ethernet PHY (TJA1103) 6x CAN-FD interfaces with 2x CAN Bus with flexible data rate through TJA144x automotive […]