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#oshw

2 posts2 participants0 posts today
Public
blinken

Today some more OSHW work: an unreasonably large Raspberry Pi hat.

This is part of the Open Weed Locator project, which does open-source/low-cost green-on-brown and green-on-green weed detection, suitable for retrofit to existing broadacre spray systems. It allows the Pi to control 16x 2A outputs driving solenoids (or anything else) and it's designed to be robust, self-documenting and repairable in the field.

Still a few checks to do but looking good for an initial prototype order over the weekend.

github.com/geezacoleman/OpenWe #electronics #oshw #openhardware

A 3D render of a circuit board with 16 outputs, attached to a raspberry pi
Public
NLnet

The Flow Battery Research Collective (FBRC) are building an open source battery. Technology writer Koen Vervloesem did a nice write-up about their #FOSDEM talk in the Energy devroom. FBRC works on redox flow batteries which are better suited for long-term, stationary storage and less hazardous than Li-ion batteries. FBRC plan to democratize flow battery technology by developing an open source flow battery, starting with a development kit.

https://lwn.net/Articles/1011730/

lwn.netBuilding an open-source battery [LWN.net]
#OSHW#battery#NGI0
Public *
Bo Morgan

I'd like to start learning open source toolchains for building SoC including CPU, GPU and neural accelerators. I'm looking at this repo for mostly open source 64-bit RISC-V SoC based on the closed source Xilinx Vivado chips and programmer:

github.com/eugene-tarassov/viv

Are there any recommendations for FPGA dev boards that I can learn and play with that run open source hardware 64-bit Linux in an SoC?

I bought this starter kit just to slowly run Debian on a single 64-bit RISC-V core processor:

digilent.com/shop/nexys-a7-fpg

I'm hoping to use it to at least start to get familiar with the FPGA programming languages for relatively large-scale chip designs.

#oshw#fpga#riscv
Continued thread
Public
Mallory's Musings & Mischief

One project that's been simmering in the back of my mind is an embedded system replacement to NINA or ASIair. A single-purpose, #OSHW device that can do everything NINA or ASIair can do.

I have no idea where to even begin with that — and with my track record lately, I'm unlikely to ever make any significant progress on it — but I think it would be really cool.

Public
wakest ⁂

I struggle with the terminology around #OSHW cause I really feel like the word `source` is the wrong terminology here and gives the wrong impression most of the time. Proprietary hardware like the Raspberry Pi is already what people on the outside of the "scene" think of when they hear the term Open Source Hardware. Hardware that is catered to OSS but isn't OSHW itself also doesn't really have a name.

· 37 people · Closed
Public
Severin

An #oshw project I’d like to see in the world: a decent 4 or 8 individual battery cell charger with support for different battery sizes and chemistries. There’s a bit of somewhat ok-ish closed hardware out there but they all seem to be missing at least something. Displays are usually some fancy gauge thingies no one really needs. Or they don’t support nimh batteries. Or other weird stuff.
My favorite charger is the IMAX B6, but that’ll only ever do one battery at a time 😕

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