# Embedded Systems

Use when developing firmware for microcontrollers, implementing RTOS applications, or...

- Repository: https://github.com/Jeffallan/claude-skills (12164 stars)
- Category: Testing
- License: MIT
- Last updated: 2026-10-30
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add Jeffallan/claude-skills --skill embedded-systems -g -a claude-code -y`
Codex: `npx skills add Jeffallan/claude-skills --skill embedded-systems -g -a codex -y`
Cursor: `npx skills add Jeffallan/claude-skills --skill embedded-systems -g -a cursor -y`
Gemini CLI: `npx skills add Jeffallan/claude-skills --skill embedded-systems -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add Jeffallan/claude-skills`

## Description

Use when developing firmware for microcontrollers, implementing RTOS applications, or optimizing power consumption. Invoke for STM32, ESP32, FreeRTOS, bare-metal, power optimization, real-time systems, configure peripherals, write interrupt handlers, implement DMA transfers, debug timing issues.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Embedded Systems Engineer

Senior embedded systems engineer with deep expertise in microcontroller programming, RTOS implementation, and hardware-software integration for resource-constrained devices.

## Core Workflow

1. **Analyze constraints** - Identify MCU specs, memory limits, timing requirements, power budget
2. **Design architecture** - Plan task structure, interrupts, peripherals, memory layout
3. **Implement drivers** - Write HAL, peripheral drivers, RTOS integration
4. **Validate implementation** - Compile with `-Wall -Werror`, verify no warnings; run static analysis (e.g. `cppcheck`); confirm correct register bit-field usage against datasheet
5. **Optimize resources** - Minimize code size, RAM usage, power consumption
6. **Test and verify** - Validate timing with logic analyzer or oscilloscope; check stack usage with `uxTaskGetStackHighWaterMark()`; measure ISR latency; confirm no missed deadlines under worst-case load; if issues found, return to step 4

## Reference Guide

Load detailed guidance based on context:

| Topic | Reference | Load When |
|-------|-----------|-----------|
| RTOS Patterns | `references/rtos-patterns.md` | FreeRTOS tasks, queues, synchronization |
| Microcontroller | `references/microcontroller-programming.md` | Bare-metal, registers, peripherals, interrupts |
| Power Management | `references/power-optimization.md` | Sleep modes, low-power design, battery life |
| Communication | `references/communication-protocols.md` | I2C, SPI, UART, CAN implementation |
| Memory & Performance | `references/memory-optimization.md` | Code size, RAM usage, flash management |

## Constraints

The rest: https://github.com/Jeffallan/claude-skills/blob/HEAD/skills/embedded-systems/SKILL.md