GNU/Linux and Arduino on Open or Hacker-Friendly Hardware
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Jetson Nano Robot | Hackaday
[Stevej52] likes to build things you can’t buy, and this Jetson Nano robot falls well within that category. Reading the project details, you might think [Stevej52] drinks too much coffee. But we think he is just excited to have successfully pulled off the Herculean task of integrating over a dozen hardware and software modules. Very briefly, he is running Ubuntu and ROS on the PC and Nano. It is all tied together with Python code, and is using Modbus over IP to solve a problem getting joystick data to the Nano. We like it when existing, standard protocols can be used because it frees the designer to focus more on the application. Modbus has been around for 40 years, has widespread support in many languages and platforms.
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Ryzen Embedded module delivers 32GB RAM and quad displays
Ibase’s “ET977” is a COM Express Basic Type 6 module that runs Ubuntu or Win 10 on a Ryzen Embedded V1000 or R1000 with up to 32GB DDR4 and up to quad display support plus GbE, PCIe x8, and a USB 3.1 Gen2 interface.
In July 2019, Ibase announced an ET976 COM Express Basic Type 6 module with AMD’s Ryzen Embedded V1000. Now it has returned with a more advanced ET977 Basic Type 6 entry that adds support for the Ryzen Embedded R1000. Other recent Ibase products based on Ryzen Embedded include the 3.5-inch IB918 SBC and a fanless, embedded ASB200-918 computer based on it.
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Although the manual lists only Windows 10, the announcement says the module also supports Ubuntu.
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Arduino Blog » This LED coffee table reacts to whatever’s on top
The YouTube team “Ty and Gig Builds” recently decided to make their coffee table a little more interesting, adding a chain of 96 addressable LEDs underneath its clear surface. This would have been neat enough by itself, but their project doesn’t just stop there and instead embeds 154 IR emitters and 154 IR receivers, allowing it to react to what’s on top. Beyond that, it’s able to display animations without using the sensors for a mesmerizing effect.
The setup, as you might imagine, required a lot of wiring along with custom shift register and multiplexer boards to accommodate its vast I/O needs. These discrete I/O are eventually funneled down to an Arduino Mega for control, creating a one-of-a-kind table that should make for a great conversation piece while holding coffee and other knickknacks.
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ESP32 CNC Controller Board Supports Grbl Arduino Firmware
Grbl_ESP32 CNC development board is a breakout board for NodeMCU 32S board that also takes three stepper motor drivers, and designed to run Grbl open-source Arduino firmware to control wireless CNC machines. Grbl_ESP32 CNC breakout board specifications: Socket for NodeMCU 32S board with ESP32 WiFi and Bluetooth dual-core SoC 3 sockets for stepper motor drivers such as TI DRV8825 types and others.
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Dilution and Misuse of the "Linux" Brand
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