Open Hardware/Modding: RISC-V, Arduino, and More
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Russell Coker ☛ Russell Coker: The PiKVM
Hardware
I have just setup a PiKVM, here’s the Amazon link for the KVM hardware (case and Pi hat etc) and here’s an Amazon link for a Pi4 to match.
The PiKVM web site has good documentation [1] and they have a YouTube channel with videos showing how to assemble the devices [2]. It’s really convenient being able to change the playback speed from low speeds like 1/4 original speed) to double speed when watching such a video. One thing to note is that there are some revisions to the hardware that aren’t covered in the videos, the device I received had some improvements that made it easier to assemble which weren’t in the video.
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Raspberry Pi ☛ RISC-V on Raspberry Pi Pico 2
Hazard5 was meant to run at the highest possible frequency on an iCE40 FPGA, so I could run the RISCBoy graphics core at a higher frequency too. Hazard3 on the other hand is a production-grade processor which delivers as much performance as possible in its small area envelope and within the range of frequencies I expect to see on microcontroller designs. It’s a productionised version of Hazard5 with a shorter pipeline, hardware debug, and some security and memory protection features that people expect in real systems.
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Old VCR ☛ Programming the Convergent WorkSlate's spreadsheet microcassette future
That means anything you want to program has to be somehow encoded in a spreadsheet too. Unfortunately, when it comes to actually programming the device it turns out the worst thing a spreadsheet on an 8-bit CPU can be is Turing-complete (so it's not), and it has several obnoxious bugs to boot. But that doesn't mean we can't make it do more than balance an expense account. Along the way we'll examine the hardware, wire into its peripheral bus, figure out how to exchange data with today's future, create a simple game, draw rudimentary graphics and (with some help) even put it on the Internet with its very own Gopher client — after we tell of the WorkSlate's brief and sorrowful commercial existence, as this blog always must.
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Arduino ☛ This belt grinder uses an Arduino Opta micro PLC
Facilitating the belt grinder’s operation is an Arduino Opta micro PLC. It receives a signal from two digital inputs that, when either is active, cause the Opta to blink a blue LED indicating to the operator that an error occurred in the security relay that manages the safety chain.. The motor controller (a variable-frequency drive) receives its values from a switch and a potentiometer located on the control panel, with the former dictating if the system is active and the latter being used for adjusting the speed. [...]
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Adafruit ☛ The calculator that spawned the Intel 4004 microprocessor
One of the most technologically adventurous calculator manufacturers in the late 1960s and early 1970s was the small Japanese company Busicom Corporation. Under its previous name of Nippon Calculating Machine Corporation (NCM) it produced mechanical pinwheel calculators in the mid-1960s.
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Hackaday ☛ Bread Proofing Box For The Hungry Hacker
While normally more comfortable with a soldering iron, [LucidScience] recently took a dive into woodworking and hardware store electronics to build a DIY proofing box. It’s a clever design that doubles as furniture, with some cool problem-solving along the way. While it might not be your typical hack, repurposing seedling heat mats and working with insulation makes it a neat project for anyone who likes to tinker. Plus, the whole thing cranks out two loaves of sourdough bread each week!
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Andrew Hutchings ☛ Four new Amiga products for September 2024
Since the June Amiga Expo, I have been developing some new Amiga related products. I challenged myself to launch four of these throughout September. I managed to achieve this, so I figured I should talk about what I have launched.
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Tom's Hardware ☛ Raspberry Pi 5 powers the ultimate 'nostalgia machine' to bring 1980s television to 2024
Recreating the way we used to watch television before the age of streaming, Shane Mason's Nostalgia Machine is powered by the Raspberry Pi 5 and fueled by our love of bad TV.
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Arduino ☛ Arduino Cloud is now available in proprietary trap AWS Marketplace!
We’re excited to announce that Arduino Cloud is now available in proprietary trap AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their proprietary trap AWS infrastructure.
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Hackaday ☛ The Statial-b Open Source Adjustable Mouse
Many of us are very heavy computer users, and two items that can affect our comfort and, by extension, our health are the keyboard and the mouse. We’ve covered many ergonomic and customisable keyboards over the years, but we are not sure we’ve covered a fully adjustable mouse until now. Here’s [Charlie Pyott] with their second take on an adjustable mouse, the open source, statial-b.
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CNX Software ☛ reServer Industrial J501 – An NVIDIA Jetson AGX Orin carrier board with 10GbE, 8K video output, GMSL camera support
Seeed Studio’s reServer Industrial J501, a Jetson AGX Orin carrier board designed for building Edge Hey Hi (AI) systems. With up to 275 TOPS of exceptional Hey Hi (AI) performance, this carrier board is designed for advanced robotics and edge Hey Hi (AI) applications for industrial environments. The carrier board features GbE and 10GbE LAN via RJ45 ports, three USB 3.1 ports, an HDMI 2.1 output, and multiple M.2 slots for expansion, including support for wireless connectivity via the M.2 Key B socket.
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CNX Software ☛ Arduino releases a power management library for Arduino Pro modules to optimize power consumption
Arduino has released a new power management library designed for Arduino Pro modules to help users monitor battery usage, fine-tune charging parameters, and optimize the power consumption of their Arduino code by notably enabling sleep and standby modes on supported devices. Currently, the Arduino Portenta H7 boards, the Arduino Portenta C33, and the Nicla Vision module are supported by the new power management library.