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Do you run anything on a RISC-V processor? (supermeter.social)

submitted 7 months ago by [email protected] to c/[email protected]

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Lately I've been really liking the idea of having something hosted on a RISC-V machine. RISC-V is a non-proprietary instruction set that is a competitor to ARM. The idea of having a something running on an open source operating system, running on an open standard CPU, served from my house, gives me a warm fuzzy feeling.

I was under the impression that most Linux distributions were unstable on RISC-V. Turns out, I'm wrong about that. From a quick search, the following have official Debian images:

and the Pine64 Star64 has a community-maintained Armbian image.

Does anyone here have a RISC-V single-board computer doing anything practical for you?

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[–] [email protected] 0 points 7 months ago (1 children)

Probably not what you're asking for, but I have an impression, that your primary motivation is curiosity and just good feeling of using the open platform, so I figured I'll mention it.

I'm using ESP32-C3 boards with some sensors and ESPHome to monitor air quality in my house. The board is RISC-V based and can be bought for real cheap. (single digit $ price generally) ESPHome is quite easy to work with and (If you're realistic with your expectations around very low power device) also quite powerful.

Honestly the ESPHome itself is almost too good if you're really curious as it abstracts the differences between various boards quite well. You're just editing a yaml file to define your desired functionality.

Even if you're hesitant to do some soldering, you can get pretty far if you buy board and sensors with pre-soldered pins and some jumper wires.

[–] [email protected] 0 points 7 months ago

That is very cool, I hadn't heard of that before. I have never done anything with a microcontroller, but I'm thinking about it for RISC-V. It sounds like that might be one of the better ways of getting a RISC-V device in practical use, until more software packages become available for a full Linux machine.