r/opensourcehardware is a subreddit with 7k members. The most common kinds of discussions are ideas and self-promotion, and the community frequently discusses hardware, open source, opensource, risc v, and design.
Popular Themes in r/opensourcehardware
#1
Ideas
: "Open Source UPS!"
45 posts
#2
Self-Promotion
: "The Self Destructing USB Drive is Ready!"
9 posts
#3
Advice Requests
: "Ushering In a New Era for Open-Source Silicon Development (CEO of lowrisc , a non profit that develops open source hardware on why open source hardware failed in the past, and how lowrisc does things differently)"
8 posts
#4
Solution Requests
: "How to buy parts?"
3 posts
#5
News
: "OpenHW Group (A non profit that develops open source hardware, including a Linux capable RISC-V core) Appoints new CEO, Reports exponential growth"
1 post
Popular Topics in r/opensourcehardware
#1
Hardware
: "NaxRiscv is a open source out of order RISC-V core written in spinalHDL (a open source Hardware description language)"
244 posts
#2
Open Source
: "NaxRiscv is a Open Source out of order RISC-V core written in spinalHDL (a Open Source hardware description language)"
183 posts
#3
Opensource
: "Opensource diabetes projects"
83 posts
#4
Risc V
: "Ushering In a New Era for Open-Source Silicon Development (CEO of lowrisc , a non profit that develops open source hardware on why open source hardware failed in the past, and how lowrisc does things differently)"
22 posts
#5
Design
17 posts
#6
Diy
: "Fairberry Diy phone keyboard attachment version 0.3.0 released, making it much easier to Diy it"
14 posts
#7
Linux
14 posts
#8
Community
: "RAG can help solve the problem of bad user interfaces. Come join a Community of developers building open source tools to make user interactions better. github.com/apssouza22/chatflow https://discord.gg/jp7TwBBSq2"
12 posts
#9
Open Hardware
: "CinePI : Open source cinema camera based on Raspberry Pi! Hands on Look"
11 posts
#10
Usb
: "3D-Printable Usb Dead Man Switch (Prototype)"
11 posts
Member Growth in r/opensourcehardware
Yearly
+389 members(6.1%)
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Last updated: October 1, 2026