All articles tagged with #microcontroller
The article warns about the potential pitfalls of purchasing ESP32-C3 Super Mini boards, highlighting that some variants lack built-in Flash memory, which can be problematic for users. It emphasizes the importance of verifying the specific chip version, as the Flash-less variant requires external memory and is less common, and advises caution when buying from online sellers due to difficulty in identifying the exact model from listings.
A developer has created a library that enables the Raspberry Pi Pico to transmit data at 100 MBit/s Ethernet using bit-banging, making it possibly the first such implementation, though it is transmit-only and more complex than previous 10BASE-T setups.
The ZEReader is an open-source, microcontroller-based e-reader project developed by Anna-Lena Marx, designed to be flexible and customizable, supporting basic e-book functions and built on the Zephyr RTOS, with future plans for enhancements like solar charging and advanced power management.
A developer has created a 160-core RISC V supercluster on a single M.2 board using low-speed CH32V003 cores, demonstrating its potential with a raymarcher demo, despite communication bottlenecks over PCIe.
Raspberry Pi has launched the Pico 2 W, an updated version of its microcontroller board featuring built-in Wi-Fi and Bluetooth 5.2, priced at $7. The board is powered by the RP2350 microcontroller, which supports both Arm and RISC-V architectures, and is compatible with standard Raspberry Pi Pico accessories. The Pico 2 W's Wi-Fi 4 capability makes it suitable for various IoT applications, from smart home devices to custom gadgets. It is currently available for preorder at select retailers.
Raspberry Pi has launched the Pico 2 W, a $7 microcontroller board with wireless capabilities, designed for hobbyists and industrial use. It features Bluetooth 5.2 and Wi-Fi 802.11n connectivity, built around the RP2350 microcontroller, offering enhanced speed, memory, and security. The board supports programming in C, C++, and MicroPython, and is suitable for applications like smart home devices and robotics.
Raspberry Pi has launched the Pico 2 W, a $7 microcontroller board featuring wireless capabilities, including Wi-Fi and Bluetooth 5.2. The board is built around the RP2350 microcontroller and supports development in C, C++, and MicroPython. It offers dual-core processing with both Arm Cortex-M33 and RISC-V cores, 4 MB of flash memory, and 520 KB of SRAM. The Pico 2 W is designed for hobbyists and industrial use, with options to purchase in bulk. A non-wireless version is available for $5.
Flipper Zero, known for its digital multitool capabilities, has introduced a new Video Game Module powered by a Raspberry Pi 2040 chip, enabling HDMI output and access to new functions like gyroscopes. The module, designed for the Flipper's pentesting tool, can be used independently and is compatible with Raspberry Pi's RP2040 microcontroller, opening up new possibilities for tinkerers. The collaboration between Flipper and Raspberry Pi aims to bridge the gap between retro-gaming nostalgia and cutting-edge research, encouraging DIY projects and community involvement.
Flipper Devices has collaborated with Raspberry Pi to release a Video Game Module for the Flipper Zero, powered by a Raspberry Pi RP2040 microcontroller, turning the device into a game controller with hand movement tracking and video output capabilities. Priced at $49, the module allows for rudimentary gaming and running applications programmed in C, C++, or MicroPython. This marks the first collaboration between the two organizations, aiming to bridge retro-gaming nostalgia with cutting-edge research, despite the controversy surrounding the Flipper's use in hacking activities.
A hacker repurposes the camera sensor from a Logitech mouse to create a low-resolution, monochrome digital camera, using the mouse's microcontroller and an SPI interface. The resulting images have a Game Boy camera aesthetic, and the code for the project is available on GitHub for those interested in trying it out.
Tim Alex Jacobs has created what he calls the "smallest and worst" USB MIDI synthesizer using the CH32V003, a 32-bit RISC-V microcontroller. Despite no competition for the title, Jacobs proudly showcases his creation, highlighting the affordability and uniqueness of the device.
[mitxela] has built an even smaller and less useful synthesizer called the "Silly Synth," which fits all the components on a PCB smaller than a tiny piezo speaker. The synth runs on a CH32V003 microcontroller and features a USB-C plug. The crowded design showcases impressive routing, and the panelized design allows for mass production. [mitxela] continues to push the boundaries of miniaturization in synthesizer design.
Clem Mayer, host of element14 Presents, has created a Linux-powered compute module integrating the ESP32-S3 SoC. Mayer designed a prototype based on the Compute Module 4, connecting the ESP32-S3 to power management circuitry, a USB-C port, and dual headers for external board interfacing. With precompiled binary files, Mayer successfully booted up the module, and although the GPU portion is incomplete, the existing functionality allows for file directory commands and WiFi configuration. Mayer plans to expand the capabilities of the module in future versions.
Eye2see is a project that aims to improve the debugging capabilities of the Arduino platform by utilizing the i2c bus. By connecting a probe to the i2c bus on an Arduino, the eye2see software allows for more robust debugging tools, including variable tracking, breakpoints, and message output on a screen. While the library running on the host Arduino may slow down the program, the tradeoff for powerful debugging tools may be worth it for complex programs. Alternatively, there are other tools available that can debug Arduino code directly from a connected PC.
Electronics enthusiast Ido Gendel has created a remote-controlled proximity sensor that can be programmed wirelessly. The device uses an off-the-shelf sensor with an IR LED and a phototransistor pointed in the same direction that gives a digital output when the light bouncing back into the phototransistor exceeds a certain threshold. Gendel's programmable drop-in replacement uses an ATtiny212 microcontroller and a couple of components to control the power of the LED so the sensor can do double duty. A programmer using the same sensor and a USB-to-UART adapter completes the system, and allows the sensor threshold to be set just by shining the programmer in its general direction from up to 25 cm away.