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June 10, 2023June 10, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

T-RGB ESP32-S3 board gets larger 2.8-inch round color display

T-RGB ESP32-S3 board 2.8-inch round display

LILYGO T-RGB ESP32-S3 board was first introduced last year with a 2.1-inch round color touchscreen display, and the company has an update with a T-RGB board with a 2.8-inch display. The new board still offers WiFi 4 and Bluetooth 5.0 connectivity, 8MB PSRAM, and 16MB flash storage, as well as a microSD card socket for storage, a Grove I2C connector for expansion, and LiPo battery support. T-RGB specifications: SoC – Espressif ESP32-S3R8 dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration, 8MB PSRAM, WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity Storage – 16MB SPI flash, MicroSD card socket Display – 2.8-inch round 18-bit RGB color IPS TFT display with 480×480 resolution (ST7701S SPI controller), 3-wire SPI touchscreen panel via GT911 controller USB – USB Type-C port for power and programming Expansion – Grove I2C connector Misc – BOOT and Reset buttons Power Supply […]

June 7, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

reTerminal DM – A Raspberry Pi CM4-powered 10.1-inch HMI controller

Seeed Studio’s reTerminal DM is an upgrade to the Raspberry Pi CM4-powered reTerminal with a larger 10.1-inch touchscreen display and a greater range of features and interfaces for various industrial applications. Described as a “Panel PC, HMI, PLC, IIoT Gateway all-in-one device”, the new reTerminal DM notably supports 12V-24V variable DC input and optionally PoE power input, its front panel is rated IP65 for protection against liquids and dust, a range of wired and wireless connectivity options are offered, and it also includes some serial and digital input and output interfaces. reTerminal DM specifications: SoM – Raspberry Pi Compute Module 4 with Broadcom BCM2711 quad-core Cortex-A72 processor @ 1.5 GHz, up to 8GB RAM, up to 32GB flash Storage – Optional M.2 NVMe SSD via M.2 2280 Key-M slot Display – 10.1-inch display with 1280 x 800 resolution, 10-point capacitive touchscreen 400-nit brightness, 170° H/V viewing angle Video Output – […]

June 3, 2023June 3, 2023 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

CrowVision review – An 11.6-inch 1366×768 touchscreen display that works with multiple SBCs

CrowVision is an 11.6-inch IPS capacitive touchscreen display with 1366×768 resolution that is designed to work not only with the Raspberry Pi but most single board computers with mounting holes within a 100 x 80 mm rectangle. Elecrow sent me a sample so I’ll try it out with a Raspberry Pi, a Windows 11 mini PC, and a Ubuntu 22.04 laptop to make sure it works well with those operating systems. CrowVision unboxing The packages include the display module itself, a 12V/2A power adapter, USB Type-C and micro USB cables, an HDMI to mini HDMI cable, a micro HDMI to mini HDMI cable, two “ribbons” for cable management, a screwdriver, an OSD control board with five keys, and a user manual. The display does not come with an enclosure, so it’s better suited for DIY projects where users design their own enclosure or mounting solution. The control board is based […]

May 27, 2023May 27, 2023 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

SenseCAP Indicator D1Pro Review – An ESP32-S3 & RP2040 IoT devkit with a 4-inch display, LoRa connectivity, sensors

The SenseCAP Indicator D1Pro is an IoT development kit based on ESP32-S3 WiFi & BLE chip, a Raspberry Pi RP2040 microcontroller, and offering LoRa connectivity through an SX1262 RF chip. It also features a 4-inch touchscreen display, two Grove interfaces with ADC & I2C, and two USB Type-C ports including one exposing GPIOs, and the D1Pro integrates tVOC and CO2 sensors, plus the kit ships with an external Grove AHT20 TH sensor for temperature and humidity measurements. SenseCAP Indicator D1Pro Features Dual MCUs and GPIO expansion with the Espressif ESP32-S3 and Raspberry Pi RP2040 microcontrollers and support for over 400 Grove-compatible modules. Real-time air quality monitoring thanks to the built-in tVOC and CO2 sensors, and an external Grove AHT20 TH sensor for more precise temperature and humidity readings. Local LoRa Hub for IoT Connectivity thanks to the integrated Semtech SX1262 LoRa chip for connecting LoRa devices to IoT platforms such […]

May 23, 2023May 23, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

FireBeetle 2 ESP32-S3 camera board ships 16MB flash, 8MB PSRAM, PCB or external antenna

DFRobot “FireBeetle 2 ESP32-S3” is a 2MP camera board with ESP32-S3N16R8 dual-core WiFi and Bluetooth microcontroller fitted with 16MB flash and 8MB PSRAM, and offered in two versions: a more compact variant with a PCB antenna, and one with an external antenna offering a better signal quality. The FireBeetle 2 ESP32-S3 also features two rows of I/Os with GPIO, I2C, SPI, ADC, USB 2.0, etc…, a USB-C port for power and programming, a few buttons, and support for a LiPo battery through a 2-pin JST connector and a charging circuit. FireBeetle 2 ESP32-S3 specifications: ESP32-S3-WROOM-1 wireless module SoC – ESP32-S3FN16R8 dual-core Tensilica LX7 microcontroller @ 240 MHz with 2.4 GHz 802.11n WiFI 4 and Bluetooth 5.0 LE connectivity Memory – 8MB PSRAM Storage – 16MB SPI flash Camera – Camera connector fitted with 2MP OV2640 camera with 68° FoV, up to 1600×1200 resolution Display – GDI connector for optional 1.54-inch, […]

May 23, 2023May 23, 2023 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

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

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 21, 2023May 29, 2023 by Jean-Luc Aufranc (CNXSoft) - 4 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 […]

May 18, 2023May 18, 2023 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

BeepBerry handheld Linux computer drives 2.7-inch display with Raspberry Pi Zero W

Good news! The PocketCHIP handheld Linux computer is back! OK, not quite but that’s what the Raspberry Pi Zero-powered BeepBerry reminds me of with a Blackberry-like keyboard, a small 2.7-inch display, and a 2,000mAh LiPo battery for power. The BeepBerry is another open-source hardware design from SQFMI, who previously did the Watchy ESP32 E-Ink smartwatch, that runs Raspberry Pi OS Lite on the Raspberry Pi Zero/Zero W, and also includes a Raspberry Pi RP2040 to handle the keyboard and peripherals. BeepBerry specifications: SBC – Raspberry Pi Zero board with a Broadcom BCM2835 ARM11 processor @ 700 MHz, VideoCore IV GPU, or Raspberry Pi Zero W with WiFi and Bluetooth Storage – MicroSD card slot Display – Ultra-low power high contrast 2.7-inch Sharp Memory LCD with 400 x 200 resolution User input – QWERTY tactile keyboard w/ backlight and touchpad based on Solder Party BB Q20 Keyboard USB – USB-C programming […]