hardware SKILL.md skillA
hardware from afjcjsbx/picoclaw is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add afjcjsbx/picoclaw/hardware@git:20260214.a9557aaPins git:20260214.a9557aa in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- afjcjsbx/picoclaw
- Path
workspace/skills/hardware/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260214.a9557aa, committed Feb 14, 2026
- Size
- 2,315 bytes
- Repository stars
- 34
- License
- MIT
Read and control I2C and SPI peripherals on Sipeed boards (LicheeRV Nano, MaixCAM, NanoKVM).
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Hardware (I2C / SPI) Use the `i2c` and `spi` tools to interact with sensors, displays, and other peripherals connected to the board. ## Quick Start ``` # 1. Find available buses i2c detect # 2. Scan for connected devices i2c scan (bus: "1") # 3. Read from a sensor (e.g. AHT20 temperature/humidity) i2c read (bus: "1", address: 0x38, register: 0xAC, length: 6) # 4. SPI devices spi list spi read (device: "2.0", length: 4) ``` ## Before You Start — Pinmux Setup Most I2C/SPI pins are shared with WiFi on Sipeed boards. You must configure pinmux before use. See `references/board-pinout.md` for board-specific commands. **Common steps:** 1. Stop WiFi if using shared pins: `/etc/init.d/S30wifi stop` 2. Load i2c-dev module: `modprobe i2c-dev` 3. Configure pinmux with `devmem` (board-specific) 4. Verify with `i2c detect` and `i2c scan` ## Safety - **Write operations** require `confirm: true` — always confirm with the user first - I2C addresses are validated to 7-bit range (0x03-0x77) - SPI modes are validated (0-3 only) - Maximum per-transaction: 256 bytes (I2C), 4096 bytes (SPI) ## Common Devices …
Read the whole file at its exact version.
How to install
mdr add afjcjsbx/picoclaw/hardware@sha256:5a8f519f2a81f4e5The line at the top of this page pins the label git:20260214.a9557aa, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ynfqz67vu3nnlony)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Feb 14, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2315 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
afjcjsbx/picoclaw · 34 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ynfqz67vu3nnlony GET https://markdownregistry.com/api/v1/resolve?ref=afjcjsbx/picoclaw/hardware GET https://markdownregistry.com/api/v1/blob/5a8f519f2a81f4e518b62e0be9558714e6396d1f4ad7bd75c14326af5d8e5d99
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.