Devices: RISC-V, Raspberry Pi, Arduino, and More
-
10 cents CH32V003 RISC-V MCU offers 2KB SRAM, 16KB flash in SOP8 to QFN20 packages - CNX Software
WCH CH32V003 is a new ultra cheap RISC-V microcontroller (MCU) clocked at 48 MHz with 2KB SRAM, 16KB flash, and a bunch of interfaces that sells for under 10 cents in quantities.
The MCU offers up to eighteen GPIOs, UART, SPI, I2C, an 8-channel 10-bit ADC, and several timers in TSSOP20, QFN20, SOP16, or SOP8 packages, and a small development board is also available.
-
Gymnasticon: Turn Obsolete Indoor Bikes Live with Raspberry Pi
Gymnasticon is a free open-source Raspberry Pi based project that allows you to make use of your old obsolete or even proprietary indoor exercise bikes with popular training and exercise apps.
It offers a custom Raspberry Pi image and system that is easy to setup and install. It is tested with several bikes and apps.
The project can be easily installed on Windows, macOS, and Linux.
-
Robo-fish filters microplastics like a whale with krill | Arduino Blog
The world’s collective waste plastics don’t always stay in landfills. They often break down into microplastics that fill our oceans, then end up in our air, water supply, and food. According to an Orb Media study, 83% of the tested water samples from metropolitan areas all over the globe contained plastic fibers. One way to reduce microplastics before they end up in our bodies is to collect them where they float in lakes and oceans. For the Natural Robotics Contest, student Eleanor Mackintosh designed this robo-fish that filters microplastics like a whale eating krill.
Mackintosh created the robo-fish concept and then the Natural Robotics Contest team turned it into a real robot. This robot, called “Gillbert” (we see you, Eleanor) is now an open source project and anyone can build it for themselves using the 3D-printable files published on GrabCAD. Gillbert contains mesh filters that collect plastic particles as water flows through its mouth and out of its gills. It swims through the water like a real fish by swinging its tail for propulsion and using its fins to steer.
-
Gemini Lake based Mini PC available for ~$139
GMKtec has launched a MiniPC integrating the Celeron N4100 processor from Intel. The GMK NucBox 8 offers up to 6GB RAM, 128GB of eMMC, Wi-Fi5/BL4.2 and dual display support.