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April 30, 2025May 1, 2025 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

New color e-paper monitors – 13.3-inch DASUNG Paperlike 13K and 23.5-inch BOOX Mira Pro Color

DASUNG Paperlike 13K ports epaper color monitor

Back in 2023, DASUNG launched its first color E-Ink monitor, quickly followed by BIGME B251 computer and standalone E-Ink monitor. Both were based on the same 23.5-inch E-ink Kaleido 3 color display with 3200×1800 resolution, and were rather pricey at $1,529 (Indiegogo price) and $1,299 (Kickstarter price), respectively. Let’s revisit color e-paper monitors in 2025 with two new models that were just announced: the DASUNG Paperlike 13K 13.3-inch e-ink color monitor and BOOX Mira Pro (Color version) with the same 23.5-inch E-Ink Kaleido as competing monitors launched in 2023. Those monitors are particularly well-suited for people spending long hours in front of the screen, and don’t need to watch video and play games due to the lower refresh and ghosting effect. It’s supposed to be friendlier to eyes, and there’s no blue light. DASUNG PaperLike 13K – 13.3-inch e-ink color monitor Paperlike Paperlike 13K (13KCFT) specifications: Display 13.3-inch Color E-ink […]

April 24, 2025April 25, 2025 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Espressif Systems ESP32-P4-EYE development kit looks like a camera

Espressif Systems’ ESP32-P4-EYE is a development kit designed for AI vision applications that looks like a standard camera. It combines an ESP32-P4 RISC-V microcontroller with an ESP32-C6 WiFi 6, BLE, and 802.15.4 SoC, and is equipped with a MIPI-CSI camera, a 2MP display, a microphone, and a MicroSD card to store photos or videos. There’s also a rotatory encoder to control the menu on the LCD or adjust the zoom, a fill/flash light, a few buttons, an LED, and support for either USB or battery power. The company says the ESP32-P4 camera devkit targets smart surveillance, vision-based edge AI, real-time image detection, and audio-visual IoT interfaces. ESP32-P4-EYE specifications: Microcontroller – ESP32-P4 MCU Dual-core RISC-V microcontroller @ 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz GPU – 2D Pixel Processing Accelerator (PPA) VPU – H.264 and JPEG codecs support Memory […]

April 15, 2025April 15, 2025 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

SONOFF SNZB-02LD and SNZB-02WD IP65-rated Zigbee LCD Smart thermometers work with liquids or outdoors

SONOFF SNZB-02LD IP65 Zigbee LCD Thermometer

ITEAD has introduced two new SONOFF devices: the IP65-rated SNZB-02LD and SNZB-02WD Zigbee 3.0 LCD Smart thermometers designed to work in liquids or enclosed spaces such as bathtubs or refrigerators, or outdoors in gardens or other humid environments, respectively. Both devices look similar and can measure temperature with +/- 0.5°C accuracy, but the SONOFF SNZB-02LD model ships with a 1.5m long probe to measure the temperature of liquids in a pool, a bathtub, or fermentation vessel (for beer or wine making), as well as in refrigerators. On the other end, the SNZB-02WD features a built-in temperature and humidity sensor. SONOFF SNZB-02WD/LD specifications: MCU – Telink TLSR8656F512ET32 (part of the TSL8656 family – See PDF datasheet ) Zigbee/RF4CE SoC with 32-bit RISC MCU, 64kB SRAM, 512kB internal Flash Display – 2.2-inch LCD Wireless – Zibgee 3.0 (802.15.4 radio on TSL8656) Temperature and Humidity sensor SNZB-02WD (internal) Temperature Range – -20°C to […]

April 14, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Pimoroni Presto – A Raspberry Pi RP2350-powered 4-inch wireless desktop touch display

Pimoroni Presto is a 4-inch desktop color touch display powered by a Raspberry Pi RP2350 microcontroller, and equipped with a Raspberry Pi RM2 wireless module for WiFi 4 and Bluetooth connectivity. The display comes with 16MB of SQPI flash and 8MB of PSRAM, seven RGB LEDs for ambient lighting, a microSD card slot, a piezo speaker, a Qwiic/STEMMA QT connector for expansion, a USB-C port for power and programming, and a 2-pin JST connector for an optional battery. Pimoroni Presto specifications: Microcontroller – Raspberry Pi RP2350B MCU CPU Dual-core Arm Cortex-M33 @150MHz with Arm Trustzone Dual-core 32-bit Hazard3 RISC-V @ 150MHz Up to two cores can be used at the same time Memory – 520KB SRAM Package – QFN-80; 10×10 mm Memory – 8MB PSRAM Storage 16MB QSPI flash MicroSD card slot Display – 4-inch square IPS LCD screen with 480 x 480 resolution, capacitive touchscreen Wireless – Raspberry Pi […]

April 11, 2025April 11, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

T-Pico-2350 is a fully integrated devkit with Raspberry Pi RP2350, ESP32-C6, 2.33-inch color touchscreen display, and HDMI video output

LILYGO T-Pico-2350, also called the T-Pico2, is a fully enclosed devkit based on Raspberry Pi RP2350 MCU, an ESP32-C6 SoC for wireless connectivity, a 2.33-inch capacitive color touchscreen display, and an HDMI (DVI) video output port. The design is an update to the T-PicoC3 introduced in 2022 with the case design of the T-Display S3 Pro, and the devkit also features a microSD card slot, a USB-C port for power and programming, two GPIO headers, a 13-pin GPIO FPC connector, two Qwiic I2C/UART connectors, and a PMU for battery management. T-Pico-2350 specifications: Microcontroller – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Up to two cores can be used in any combination Memory – 520 KB on-chip SRAM Storage 16MB SPI flash connected to RP2350 MicroSD card slot Display – 2.33-inch color IPS LCD (ST7796S SPI […]

April 9, 2025April 9, 2025 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Samsung 32″ EMDX color e-paper display runs Tizen 8.0, offers 2560×1440 resolution, up to 200 days of battery life

Samsung 32" EM32DX color E-paper Display

Samsung has unveiled a 32-inch color e-paper display with WQHD (2,560 x 1,440) resolution and a built-in 4,600mAh battery that can last up to 200 days on a charge if the display is updated once a day. The Samsung 32″ EMDX color e-paper display is mainly designed for digital signage applications in shops, restaurants, public transportation, and public spaces. Like other e-paper displays, it does not consume any power if the image is unchanged. I was initially surprised at the bright colors of the EMDX display from the photos shared by Samsung, but after a closer look, I’m not convinced those are photos of the actual display. Samsung 32″ EMDX color e-paper display specifications: 32-inch E-Ink Spectra 6 Color ePaper with 2,544 x 1,400 resolution, up to 54,600 colors with dithering, 178° H/V viewing angle Storage – 8 GB eMMC flash Wireless – WiFi 5 and Bluetooth 5.0 Ethernet – […]

April 7, 2025 by Jean-Luc Aufranc (CNXSoft) - 17 Comments

GPMI is a Chinese alternative to HDMI and DisplayPort with up to 192 Gbps bandwidth, 480W Power Delivery

Defined by the Shenzhen 8K UHD Video Industry Cooperation Alliance (SUCA), GPMI (General Purpose Media Interface) is an alternative to HDMI and DisplayPort supporting up to 192 Gbps bandwidth and 480W power delivery (PD). As far as I know, the specifications have not been made public just yet, but ITHome.com shared some photos and details. The GPMI standard defines two types of connectors: Type-B and Type-C (USB-C) with support for 192 Gbps/480W PD and 96 Gbps/240W PD, respectively. Here’s how GPMI compares to the latest HDMI and DP versions. The best resource I’ve found about the GPMI standard is a white paper shared by Hisilicon. It requires email registration, and it’s only in Chinese, but I’ve translated some of the slides for reference. The Type-B port looks like a compressed HDMI port, which might be great for laptops and tablets, while the Type-C port appears to be identical to a […]

April 4, 2025April 4, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

ESP32-P4 credit card-sized board features Ethernet, WiFi 6, four USB ports, 40-pin GPIO header, MIPI DSI and CSI connectors

Waveshare ESP32-P4-Module-DEV-KIT credit card-sized board may look like a Linux-powered Raspberry Pi SBC, but instead, it’s based on an “ESP32-P4-Module” comprised of a 400 MHz Espressif ESP32-P4 RISC-V general-purpose microcontroller, an ESP32-C6 “co-processor” for WiFi 6 and Bluetooth 5, and a 16MB SPI NOR flash. Designed for HMI applications, the board offers MIPI DSI and CSI connectors, as well as a 100Mbps Ethernet RJ45 jack, four USB 2.0 ports, a 40-pin GPIO header, and more. It basically integrates the same ports as a Raspberry Pi SBC minus HDMI, but relies on a microcontroller instead of a Linux-capable application processor. Waveshare ESP32-P4-Module-DEV-KIT specifications: ESP32-P4-Module Microcontroller – ESP32-P4NRW32 MCU Dual-core RISC-V microcontroller @ 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz GPU – 2D Pixel Processing Accelerator (PPA) VPU – H.264 and JPEG codecs support Memory – 768 KB HP L2MEM, […]