Embedded Systems Firmware Helper
Guides writing firmware for microcontrollers: RTOS tasks, interrupts, DMA, peripherals and power savings.
- Repository
- Jeffallan/claude-skills
- Stars
- 12,176
- Licence
- MIT
- Files
- 6 files
What it does
This skill gives an AI agent specialist guidance for programming small computer chips (microcontrollers) that run inside devices like sensors, gadgets and motor controllers. Once installed, the agent follows an embedded-engineering workflow: it checks memory, timing and power limits first, then writes code for interrupt handlers, FreeRTOS tasks, peripheral drivers and low-power modes, and suggests checks such as compiler warnings, stack usage and timing measurements. Detailed reference notes on RTOS patterns, microcontroller programming, power, communication protocols and memory are loaded when relevant.
Great for
- Embedded developers writing firmware for STM32 or ESP32 boards who want code drafts and checklists
- Students learning bare-metal programming, interrupts or FreeRTOS who want worked examples
- Engineers reviewing an existing firmware design for power or memory issues
Skip it if
- Safety-critical products (medical, automotive, aerospace) without expert review, because the generated code is unverified against real hardware, datasheets or certification standards
- Anyone needing hardware-specific correctness on a chip the examples do not cover, since the skill's code samples target particular STM32 and FreeRTOS APIs and may need changes
- Non-programmers looking for a finished product, since the output is code and engineering guidance that still needs building, flashing and testing
Try asking
- “Write an interrupt handler that reads UART bytes on an STM32 and hands them off to a FreeRTOS task”
- “Create a FreeRTOS sensor task that samples an ADC every 10 ms and sends values through a queue”
- “Help me reduce the power consumption of my ESP32 battery sensor using sleep modes”
- “Review my firmware for stack overflow risks and missing volatile qualifiers”
Install in 3 steps
- 1
Download the skill
The ZIP contains the 6 original files, the MIT licence and an attribution note.
embedded-systems.zip - 2
Add it to your agent
Claude Code (all projects)
mkdir -p ~/.claude/skills && unzip embedded-systems.zip -d ~/.claude/skills/Claude Code / Agent SDK (this project only)
mkdir -p .claude/skills && unzip embedded-systems.zip -d .claude/skills/Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.
- 3
Ask for the task
No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.
Get better results
- Give the agent your exact MCU model, clock speed, memory size and RTOS version so it can check the code against real limits
- Always compile and test generated firmware on the actual board; treat the output as a draft, not verified code
- Ask for the resource usage summary (flash, RAM, power estimate) and verify those numbers with your toolchain's map file and measurements
What's inside
- references/communication-protocols.md
- references/memory-optimization.md
- references/microcontroller-programming.md
- references/power-optimization.md
- references/rtos-patterns.md
- SKILL.md
Redistributed unmodified from Jeffallan/claude-skills under the MIT licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.