Waveshare RPi-Zero-PhotoPainter-ACCE is a 7.3-inch color e-paper photo frame designed for the Raspberry Pi Zero family. It’s an 800×480 resolution display based on E-Ink Spectra 6 (E6), and housed in a wooden frame. The display also features an RTC with backup battery support, a LiPo battery connector with “UPS circuitry”, a USB-C port for power, a 3-pin debug/serial header, a power button, and a charging LED. It supports portrait and landscape orientation on the desk thanks to a rotatable stand and wall mounting through a hook hanger. RPi-Zero-PhotoPainter-ACCE specifications: Display – E-Ink Spectra 6 (E6) Full-color display with Black, White, Green, Blue, Red, and Yellow Resolution – 800×480 pixels Pixel Pitch – 0.2 x 0.2mm Viewing Angle – > 170° Refresh Time Full refresh – 12s Partial refresh – Not supported Grayscale – Two shades of gray Dimensions – 160 x 96mm Expansion – 40-pin HAT connector to connect Raspberry […]
$9.99 2.5GbE PCIe adapter for Raspberry Pi 5 uses Realtek RTL8125 controller
Waveshare PCIe TO 2.5G ETH Board (C) low-cost PCIe x1 adapter adds a 2.5GbE port to the Raspberry Pi 5 using the board’s 16-pin PCIe interface. It’s plug-and-play and doesn’t require any additional drivers, making it a practical upgrade for DIY NAS, routers, or edge-networking applications. The board is built around a Realtek RTL8125 controller and offers a 10/100/1000/2500 Mbps RJ45 port with link/activity LEDs. It includes a transparent acrylic mounting plate at the bottom to save space above the board. It relies on a PCIe Gen2 x1 interface, takes 5V power through the PCIe cable or 5V power connectors, and works out of the box in Raspberry Pi OS. PCIe TO 2.5G ETH Board (C) specifications: Compatibility – Raspberry Pi 5 or other boards with a compatible 16-pin PCIe connector Ethernet 10/100/1000/2500 Mbps Ethernet RJ45 port via Realtek RTL8125 2.5GbE PCIe network controller Link/activity LEDs (yellow = link, green […]
Low-cost LG290P quad-band GNSS RTK breakout board supports RTC battery for faster TTFF
Waveshare has launched a low-cost LG290P breakout board priced at about half the competing options. It supports L1/L2/L5/E6 quad-band GNSS with centimeter-level RTK positioning for robotics, surveying, precision agriculture, and other high-accuracy applications. The board supports GPS, BDS, Galileo, GLONASS, QZSS, and NavIC reception, along with SBAS systems such as WAAS, EGNOS, MSAS, BDSBAS, GAGAN, and SDCM. It offers RTK rover/base functionality with <5-second convergence, raw observation output, 10–20 Hz navigation rates, and strong anti-interference performance thanks to its integrated narrow-band jamming detection and cancellation. The module features a USB-C port for power and UART-to-USB communication, castellated pads for easy integration, an RTC battery connector for faster TTFF, and onboard status LEDs. Waveshare LG290P breakout board specifications: GNSS module – Quectel LG290P GNSS Frequency bands GPS – L1 C/A, L1C, L5, L2C GLONASS – L1, L2 Galileo – E1, E5a, E5b, E6 BDS – B1I, B1C, B2a, B2b, B2I, B3I QZSS […]
Waveshare’s updated Raspberry Pi 5 dual micro HDMI to HDMI adapter adds NVMe storage support
Waveshare has recently released the Pi5 Connector Adapter (C), an upgraded version of its earlier Pi5 Connector Adapter, adding support for M.2 NVMe SSDs and enabling direct OS booting from an SSD. The board connects to the Raspberry Pi 5 via its 16-pin PCIe interface and supports M.2 NVMe SSDs in 2230/2242 sizes with PCIe Gen2/Gen3 speeds. It also converts the Pi’s micro HDMI ports into full-size HDMI connectors and brings all ports on one side next to the USB and Ethernet ports of the SBC. It offers two methods for power: a USB-C input or a screw-terminal supply. Pi5 Connector Adapter (C) specifications: Supported SBC – Raspberry Pi 5 (it can support the Raspberry Pi 4B too, but the SSD functionality will not work) Storage – M.2 M-key 2230 / 2242 socket for NVMe SSD (support direct OS boot) Display – 2x HDMI outputs via 2x micro HDMI input […]
Black Friday and Cyber Monday 2025 – International deals, coupons, and events
Like every year since 2014, I’ll list a few international deals for Black Friday and Cyber Monday 2025, as many CNX Software readers cannot benefit from promotions on Amazon’s Black Friday and Cyber Monday events, which will take place from November 20 to December 1. I’ve gathered various deals, discount coupon codes, and events from relevant manufacturers of single board computers, MCU development boards, mini PCs, Smart Home devices, and DIY products, as well as popular online stores, including AliExpress, Banggood, and others. AliExpress Black Friday and Cyber Monday 2025 event AliExpress sales event for Black Friday and Cyber Monday 2025 has just started and will last until December 3, 2025 (although I can see until November 29 and December 4 in some places). You can use some of the coupons on the screenshot above, or some alternative coupon codes for the US and some other countries (excluding DE, RU, […]
Waveshare ESP32-P4 + ESP32-C6 PoE development board targets HMI and IoT applications
Waveshare has recently launched ESP32-P4-WIFI6-POE-ETH, a compact development board with Wi-Fi 6, Bluetooth 5 (LE), OTG, Ethernet, and PoE support, for various HMI and IoT applications. The board supports 100Mbps Ethernet with PoE, MIPI-CSI, MIPI-DSI, USB 2.0 OTG, audio codec + amplifier, microphone, MicroSD card slot, and 40-pin GPIO expansion. Other peripherals include I2S, I2C, SPI, UART, PWM, MCPWM, RMT, ADC, and TWAI, alongside security features like secure boot, flash encryption, crypto accelerators, TRNG, and privilege separation. These features make it suitable for HMI terminals, smart panels, multimedia control interfaces, local edge AI, and IoT gateways. Waveshare ESP32-P4-WIFI6-POE-ETH specifications: Wireless module – ESP32-P4-Core 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, […]
Raspberry Pi CM5 industrial carrier board features dual Ethernet, optional 4G LTE/5G cellular connectivity, metal case, and more
Waveshare CM5-DUAL-ETH-4G/5G-BASE is an industrial carrier board for the Raspberry Pi CM5. It features dual Ethernet (GbE + 2.5GbE), 4G/5G options, and includes an optional metal enclosure, active cooling fan, and power supply, which is an upgrade from the previous CM5-DUAL-ETH-BASE carrier board. The board also offers two HDMI outputs supporting 4K displays, two MIPI DSI/CSI connectors for displays and/or cameras, two USB 3.2 ports, a 40-pin GPIO header, M.2 slots for both NVMe SSDs and 4G/5G modules, and PoE support via an add-on module. The board supports 7V–36V DC input, a PWM fan header, and RTC battery backup, with precise cutouts and labeled connectors for easy integration. Its main benefits over the CM5-DUAL-ETH-BASE are its more compact size and neatly arranged ports on the rear panels, while adding optional support for 4G LTE or 5G connectivity. CM5-DUAL-ETH-4G/5G-BASE specifications: Compatibility – Raspberry Pi Compute Module 5 (CM5) Storage Optional NVMe SSD […]
Waveshare MK20 macro keyboard features twenty mechanical keys with 0.85-inch color LCD keycaps
Waveshare MK20 is a multifunctional macro keyboard with twenty mechanical keys featuring 0.85-inch LCD keycaps. As an upgrade to the earlier MK10 model, it adds a 2.8-inch secondary display along with two control knobs. The device supports AI voice interaction, real-time data display, and smart home integration with Home Assistant. Like its predecessor, the MK20 relies on a dual-system architecture: an Allwinner T113-S3 dual-core Cortex-A7 processor runs Linux to drive the displays, and a GD32 microcontroller runs QMK for low-latency keyboard and knob input. Each LCD key offers 128×128 resolution and supports dynamic images, videos, and multi-layer overlays, while the 2.8-inch secondary display (428 × 142 resolution) provides status or customization information. The keyboard also includes two rotary encoders with aluminum caps for volume, playback, or timeline control. The device is built with an aluminum alloy top case and a 2.5D acrylic lens for durability. Waveshare MK20 specifications: Main Controller – Allwinner […]

