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January 15, 2025January 15, 2025 by Debashis Das - No Comments

ESP32-based Waveshare DDSM Driver HAT (B) for Raspberry Pi supports DDSM400 hub motors

Waveshare DDSM Driver HAT (B) Raspberry Pi DDSM motor driver

Waveshare has recently launched DDSM Driver HAT (B), a compact Raspberry Pi DDSM (Direct Drive Servo Motor) motor driver designed specifically to drive the DDSM400 hub motors. This board is built around an ESP32 MCU and supports wired (USB and UART) and wireless (2.4GHz WiFi) communication. Additionally, the board features a physical toggle switch, which lets it choose between the ESP32 control or USB control modes. On ESP32 control mode you can control the device through a built-in web application. In the USB control mode, the motor driver can be controlled via USB from a host computer sending JSON commands. An XT60 connector is used to power the board, and programming is done through a USB-C port that connects to the ESP32. The board is suitable for robotics projects, especially for mobile robots in 6×6 or 4×4 configurations. Waveshare DDSM Driver HAT (B) specifications: Wireless MCU – Espressif Systems ESP32-WROOM-32E ESP32 […]

January 13, 2025 by Debashis Das - 6 Comments

Fully enclosed ESP32-S3 board features 1.8-inch AMOLED, microphone & speaker for AI audio applications

ESP32 S3 1.8inch AMOLED display development board

Waveshare ESP32-S3-Touch-AMOLED-1.8 is an ESP32-S3 development board with an AMOLED display and AI audio support fully housed in a plastic enclosure. The most interesting feature of this devkit is its 1.8-inch AMOLED display with a 100000:1 contrast ratio and a wide 178° viewing angle, plus support for AI speech using its built-in microphone and speaker, and a built-in battery for IoT and AI applications. Other features include a QMI8658 6-axis IMU for motion detection, a PCF85063 RTC for time, and an ES8311 audio codec for high-quality audio. The ESP32-S3 provides Bluetooth and Wi-Fi connectivity and the board also features a USB-C port for power and programming. The AXP2101 power management IC enables battery charging and optimization, while GPIO, I2C, and UART pads allow expansion. Waveshare ESP32-S3-Touch-AMOLED-1.8 specifications Wireless MCU – Espressif Systems ESP32-S3R8 CPU – Dual-core Tensilica LX7 @ up to 240 MHz with vector instructions for AI acceleration. Memory – […]

January 13, 2025January 13, 2025 by Debashis Das - 2 Comments

Seeed Studio XIAO Plus series adds more GPIOs through castellated holes

In response to community feedback for more I/O options, Seeed Studio has recently launched the Seeed Studio XIAO Plus series with 23 castellated mounting pins (20 GPIOs, 3 power pins) and improved back solder points, improving compatibility with carrier boards for complex projects. The new series includes the XIAO ESP32S3 Plus, XIAO nRF52840 Plus, and XIAO nRF52840 Sense Plus which are direct upgrades of the XIAO ESP32S3, XIAO nRF52840 BLE, and XIAO nRF52840 Sense boards. The new design allows for easier assembly and scalable production, with double the I/O options. XIAO ESP32S3 Plus The Seeed Studio XIAO ESP32S3 Plus is a compact development board with a total of 23 pins on the board out of which 11 are through-hole GPIO pins 9 additional SMD castellations GPIO pins and 3 through-hole are power pins. The board is built around an ESP32-S3 MCU so it has 2.4GHz WiFi and BLE 5.0 connectivity. Other […]

January 8, 2025January 8, 2025 by Tomisin Olujinmi - 4 Comments

$12 Plant Bot is an ESP32-C3 soil sensor and pump driver for fully automated indoor plant care

The Plant Bot is an open-source, Internet-enabled plant monitor powered by the ESP32-C3 microcontroller and integrating a corrosion-resistant capacitive moisture soil sensor and a pump driver on a single printed circuit board, eliminating the need for additional cabling. The Plant Bot is designed to automate indoor plant care by combining moisture sensing, light sensing, and pump activation. It can be powered via USB or a single coin cell battery which lasts up to a week with daily updates. An onboard multi-color LED visually represents the current soil condition, ranging from red (dry) to blue (moist). The “Soil Level” line on the board indicates the maximum depth to which the sensor or device should be inserted into the soil. According to the maker, the Plant Bot will remain unaffected by corrosion if the soil level does not exceed this line. Other solutions we’ve covered with a soil sensor usually separate the […]

January 8, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Arduino Portenta Proto Kit ME aims to ease prototyping for professionals

Arduino has introduced the Portenta Proto Kit ME (Motion Environment) at CES 2025 with the kit designed to allow engineers, designers, and innovators to turn ideas into functional prototypes quickly. The kit does not include new hardware, but it is based on the Arduino Portenta H7, Mid Carrier, and Nicla Sense ME module, as well as other off-the-shelf parts such as a 4G LTE and GNSS module and some Modulino modules, plus three months of Arduino Cloud access. The company expects the prototyping kit to be used for predictive maintenance, environmental sensing, and industrial automation prototypes. Arduino Portenta Proto Kit ME kit content: Portenta H7 board based on STMicro STM32H747 Arm Cortex-M7 @ 480 MHz + M4 @ 200 MHz MCU capable of handling ML workloads and advanced processing Portenta Mid Carrier with gigabit Ethernet, USB 2.0 port, MIPI CSI and Arduino camera connectors, CAN Bus, mPCIe socket, GPIO header, […]

January 6, 2025January 5, 2025 by Tomisin Olujinmi - No Comments

PicoPD Pro – An open-source RP2040 development board with USB PD support up to 30V

The PicoPD Pro is an open-source Raspberry Pi RP2040 development board that integrates USB PD support up to 30V, and features like voltage negotiation and power delivery while still retaining the Raspberry Pi Pico functionality. It features the AP33772S USB-C PD3.1 sink controller from Diodes Incorporated. The AP33772S supports the full USB-C PD 3.1 specification, including Extended Power Range (EPR) / Adjustable Voltage Supply (AVS) up to 28V and Programmable Power Supply (PPS) up to 21V. The PicoPD Pro USB PPS/AVS development board is ideal for powering devices with specific requirements, such as motor control boards, LED drivers, custom battery chargers, and other high-power applications. It also features a 5V rail output for less demanding applications. It can also be used as an AP33772S evaluation board. We have previously seen other USB-C PD solutions like the Spark Analyzer, YULC LED Controller, and USB Insight Hub which may serve a similar […]

December 31, 2024January 2, 2025 by Jean-Luc Aufranc (CNXSoft) - 13 Comments

CNX Software’s 2024 Year in review, website statistics, and what to expect in 2025

That’s it! 2024 is almost over, and it’s time to reflect on what happened during the year. So I’ll look at the highlights of 2024, share some CNX Software website traffic statistics, and speculate on what may be ahead of us in 2025. Looking back at 2024 Raspberry Pi was super active this year with 22 product launches that included boards and modules like the Raspberry Pi 5 with 2GB RAM, Raspberry Pi Pico 2 and Pico 2 W, Raspberry Pi CM5, expansion modules like the Raspberry Pi AI camera, AI HAT+, and M.2 HAT+, new accessories such as the Raspberry Pi Touch Display 2 and the Raspberry Pi Monitor, and the new Raspberry Pi 500 keyboard PC among others. As usual, there was also plenty of announcement of accessories from third parties, and some boards with the new Raspberry Pi RP2350 Arm/RISC-V microcontroller. There weren’t any ground-breaking Arm processors […]

December 30, 2024December 30, 2024 by Tomisin Olujinmi - No Comments

vPlayer – A 1.69-inch ESP32-S3 touchscreen video display with custom expansion options

The vPlayer is an ESP32-S3 touchscreen video display that can be used for continuous MJPEG video playback from a microSD card. It features a 280 x 240 1.69-inch smartwatch-sized touchscreen display with backlight control and also offers expansion options via JST SH/SR connectors (UART, I2C, and I2S audio), and additional I/O pads on the PCB. All these features also make it suitable for applications such as weather displays, live traffic cameras, computer stats monitors, wildlife cameras, and fetching data from the Internet. vPlayer specifications: SoC – Espressif ESP32-S3 CPU – Dual-core 32-bit microcontroller @ 240MHz Memory and Storage – 4MB Flash and 2MB PSRAM Wireless – WiFi 4, Bluetooth 5.0 Storage – MicroSD card slot via MMC 4-bit interface Display – 1.69-inch touchscreen (280×240) P169H002-CTP TFT LCD ST7789V2 single-chip controller/driver CST816 touch controller Backlight control USB – 1x USB-C for power and data transfer Expansion JST SH/SR 1mm connectors for […]