Raspberry Pi RP2040 watch
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ChronoWatch X2040 – A DIY watch with off-the-shelf Raspberry Pi RP2040 round display, 3D printed case, and custom firmware

If you’ve ever wanted to build your own watch, the ChronoWatch X2040 DIY watch allows you to do it the easy way with a Waveshare RP2040-Touch-LCD-1.28 touch LCD board, a 3D-printed case, a 3.7V LiPo battery, a few screws, and firmware using the Pico C/C++ SDK. When Vishal Soni decided he wanted to build a watch, he initially planned to design a custom board, but since there are already several round LCD boards based on Raspberry Pi RP2040 MCU, he went with a Waveshare board, preferring to spend more time on firmware programming. ChronoWatch X2040 parts: Waveshare RP2040-Touch-LCD-1.28 with Raspberry Pi RP2040 MCU and 1.28-inch round touch display – About $23 to $29 on Amazon, AliExpress, or the Waveshare store. 3D printed case designed with Tinkercad 3.7V 950mAh Lipo battery (35 x 25 x 10 mm) M2 4mm screw M2 heat inserts 2-pin MX1.25 connector 1mm heat shrink sleeve tube […]

TouchEye ESP32-S3 or RP2040 dual touch display board
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TouchEye dual round touch display module features Raspberry Pi RP2040 or ESP32-S3 MCU (Crowdfunding)

Last December, Debashis wrote about the Waveshare Double Eye LCD module comprised of two round displays that can be useful for robotics or art projects since they can be made to look like googly eyes. The module is designed to be connected to a host MCU via an SPI interface. The TouchEye looks similar but offers larger 1.28-inch round displays (instead of 0.71-inch),  and also adds a touch function. Instead of being connected to a host MCU via SPI like the Waveshare model, the TouchEye dual touch display module is a complete board with an onboard MCU that can be either a Raspberry Pi RP2040 or an Espressif ESP32-S3 that also offers WiFi and Bluetooth connectivity. Both boards also feature a USB-C port for power and programming, a microSD card slot, a GPIO breakout connector, and programmable buttons. TouchEye module specifications: MCU (one or the other) Raspberry Pi RP2040 dual-core […]

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Waveshare RP2040 LCD 0.99 B Rounded Display
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Raspberry Pi RP2040-powered 0.99″ rounded display is housed in CNC metal case

The Waveshare RP2040-LCD-0.99-B rounded display is the latest display module by Waveshare. This board is built around the Raspberry Pi RP2040 MCU and hosts a 128×115 pixels 65K color IPS LCD, along with a QMI8658C IMU, all inside a CNC metal case with an acrylic dull-polish bottom plate. The board also hosts a USB Type-C connector, an LDO, a 2MB NOR-Flash, a SH1.0 6PIN connector (adapting 4x GPIO pins), and a BOOT button. Waveshare RP2040-LCD-0.99-B rounded display module specification: Microcontroller – Raspberry Pi RP2040 dual-core Arm Cortex M0+ processor up to 133 MHz with 264KB SRAM Storage – 2MB on-board flash memory Display – 0.99-inch 128×115 pixel 65K color IPS LCD USB – 1x USB 1.1 Type-C port (host/device) for power and programming using drag-and-drop via USB mass storage Sensor – QMI8658C IMU Expansion – 4x GPIO via SH1.0 6PIN connector Power Management – Low-power sleep and dormant modes Dimension – […]

Dual Display Modules Roundy and Squary by SB Components
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SB’s Dual Roundy and Squary Displays are powered by RP2040 or ESP32-S3 microcontrollers (Crowdfunding)

SB-Components has launched Dual Roundy and Dual Squary display modules powered by Raspberry Pi RP2040 or ESP32-S3 microcontrollers. These compact modules feature a 6-DoF IMU, interchangeable displays, and multiple storage and connectivity options. The Dual Roundy is equipped with two 1.28-inch round displays, with a 240 x 240 resolution, and uses the GC9A01 display driver IC. In contrast, the Dual Squary features two 1.54-inch square displays with a 240 x 240 resolution but utilizes the ST7789 display driver. Both displays offer a choice between a Raspberry Pi RP2040 MCU and the ESP32-S3-WROOM-1 module catering to different needs in performance and wireless capabilities. We’ve previously explored other rounded displays like the MaTouch ESP32-S3, T-RGB ESP32-S3, and ESP32-S3 Round SPI TFT. We’ve also examined other products from SB Components such as the Cluster HAT, PiMecha, PiTalk 3G HAT, and Micro RP2040. Feel free to check these out for more interesting tech insights. […]

6.67-inch flexible display
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6.67-inch flexible AMOLED display works with Raspberry Pi, LattePanda, and other SBCs with HDMI output

DFRobot has introduced a 6.67-inch flexible AMOLED display with a 2400×1080 resolution, designed for easy use with single-board computers such as Raspberry Pi and LattePanda. While flexible displays are common in smartphones, they are difficult to interface with SBCs, so DFRobot added a dedicated MIPI-to-HDMI driver board for plug-and-play compatibility with a wider range of platforms. The panel is just 1.2mm thick and bendable, enabling curved and space-constrained designs, while delivering 450 cd/m² brightness and 16.7 million colors. Like typical OLEDs, it offers deep blacks and high contrast without requiring a backlight, making it suitable for applications ranging from wearables and robotics to industrial HMI systems. DFRobot 6.67” flexible AMOLED Display specifications: Compatibility – Raspberry Pi, Banana Pi, Orange Pi, and most devices with an HDMI output. Display Panel Screen Size – 6.67 inches Screen Material – Flexible AMOLED Resolution – 2400 x 1080 (SPR – Sub-Pixel Rendering) Aspect Ratio […]

Raspberry Pi RP2350 Round Touch LCD with battery and speaker box
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Raspberry Pi RP2350 devkit features 1.85-inch round touch display, microphone, optional speaker and battery box

Waveshare RP2350-Touch-LCD-1.85C is a Raspberry Pi RP2350 devkit with a 1.85-inch round touchscreen display with 360×360 resolution, a built-in microphone, a 28-pin GPIO header, and a USB-C port. The RP2350-Touch-LCD-1.85C-BOX model builds on the platform to add a box with a speaker and a 3.7V battery. Both models also come with 16MB SPI flash, a microSD card slot, a 6-axis IMU, a few buttons and LEDs, and UART and I2C expansion connectors. They can be used for HMI solutions using touch, button, and voice recognition inputs, as well as display and audio outputs. RP2350-Touch-LCD-1.85C specifications: Microcontroller – Raspberry Pi RP2350A MCU CPU 2x Arm Cortex-M33 cores @ 150 MHz 2x Hazard3 RISC-V cores @ 150 MHz Up to two cores can be used at any time (configured at boot) Memory – 520KB SRAM Storage – 8KB OTP Package – QFN-60; 7×7 mm Storage – 16MB SPI NOR flash, microSD card slot Display […]

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lattepanda iota review
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LattePanda IOTA review – An Intel N150 + RP2040 SBC tested with Windows 11, UPS expansion, PoE, NVMe SSD, and more

I’ve received a review sample of the LattePanda IOTA single-board computer (SBC) from DFRobot. It is a compact, palm-sized SBC powered by an Intel Processor N150 quad-core Twin Lake CPU, and featuring 8 GB of LPDDR5 RAM and 64 GB of onboard eMMC storage. It also integrates a Raspberry Pi RP2040 co-processor for handling I/O operations, providing greater flexibility for embedded and automation applications. LattePanda IOTA unboxing The parcel was shipped from China and arrived safely in a standard cardboard box. Inside were several smaller boxes containing the following components, with foam padding that was slightly loose but still provided adequate protection. All components arrived in good condition. I received a total of seven items from DFRobot, which are listed below. LattePanda IOTA (8GB RAM, 64GB eMMC flash) Smart UPS Expansion Board: A plug-and-play UPS module for the LattePanda IOTA that provides stable, continuous power with intelligent management and supports […]

Waveshare MK10 stream deck like macro keyboard with LCD keycaps
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QMK-compatible macro keyboard features 0.85-inch LCD keycaps, 2.01-inch display

Waveshare has recently released the MK10, a Stream Deck-like macro keyboard featuring ten mechanical keys with 0.85-inch LCD keycaps and a secondary 2.01-inch screen. The macro keyboard also supports AI voice interaction, real-time hardware and weather data integration, and customizable themes with drag-and-drop editing. The company also highlights Home Assistant compatibility for Smart Home control. The device features a dual-system architecture, where an Allwinner T113-S3 dual-core Cortex-A7 processor runs Linux, and a GD32 microcontroller runs QMK firmware, ensuring low-latency mechanical input. The 10 LCD keys can display images or videos with overlay support, and the 2.01-inch screen shows additional status or customization options. The mechanical switches are rated for 50 million presses with a defined actuation force and travel. The device uses an aluminum alloy top case, a hardened 2.5D acrylic lens, and supports two placement methods: flat or at a 40° angle. Waveshare MK10 specifications: Main Controller – Allwinner […]

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