esphome
ESPHome is a system to configure your microcontrollers by simple yet powerful configuration files and control them remotely through Home Automation systems.
Decision gist · record as of 2026-08-14
Yes. ESPHome is actively maintained, has no known security vulnerabilities, carries a permissive MIT license, and installs with low friction. It is widely used for YAML-based microcontroller configuration in the home automation ecosystem. Install it if you need to configure devices or integrate microcontrollers into a home automation system; the 29 dependencies are substantial but necessary for the full feature set.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.12.0 or later, up to but not including 3.15.
- Compilation to device firmware requires platformio and esptool, which depend on system-level build tools.
- Low install friction with a pure-Python wheel distribution.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution for both open-source and commercial purposes with minimal restrictions.
last release 2026-08-05 (9 days) · last repo commit 2026-08-14 · 11,537 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 521,889 downloads/mo, #6,204 on PyPI
Alternatives
Verify before relying
pip install esphome
esphome create-project my_project
esphome run my_project/my_device.yaml- Whether all 29 runtime dependencies are required for basic usage or only for specific features.
- Performance characteristics and typical compilation times for different microcontroller targets.
- Scope of Home Automation system integrations supported beyond the general statement in the summary.
- Which microcontroller boards are supported beyond the general reference to microcontrollers.
What it is and what it does
ESPHome is a framework for defining microcontroller behavior through YAML configuration rather than C++ code. It bridges the gap between hardware and home automation platforms by letting you describe device behavior, sensors, and actuators declaratively, then compiling that configuration into firmware and deploying it to the device. The tool handles the compilation pipeline, serial communication, and over-the-air updates.
The package includes a command-line interface for creating projects, validating configurations, compiling firmware, and flashing devices. It depends on platformio and esptool for the embedded compilation and upload steps, plus a large ecosystem of Python libraries for YAML parsing, image handling, cryptography, and communication protocols (MQTT, Bluetooth, mDNS). It targets developers and home automation enthusiasts who want to configure smart devices without writing low-level embedded code.
Use it for
- Configure a temperature and humidity sensor to report readings to a home automation platform via MQTT.
- Set up a smart relay or switch that responds to automation triggers from a home automation system.
- Build a custom Bluetooth Low Energy device that integrates with existing home automation systems.
- Deploy firmware updates to multiple microcontroller devices over the network without manual serial connection.
- Create a presence detection device using WiFi or Bluetooth scanning for room-level automation.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
ESPHome is actively maintained, has no known security vulnerabilities, carries a permissive MIT license, and installs with low friction. It is widely used for YAML-based microcontroller configuration in the home automation ecosystem. Install it if you need to configure devices or integrate microcontrollers into a home automation system; the 29 dependencies are substantial but necessary for the full feature set.
Install
esphome on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Active maintenance with a release 9 days old and ongoing commits; the project has 11537 GitHub stars and receives regular updates.
Requires Python 3.12.0 or later, up to but not including 3.15. Compilation to device firmware requires platformio and esptool, which depend on system-level build tools.
License in practice
MIT license permits unrestricted use, modification, and distribution for both open-source and commercial purposes with minimal restrictions.
Quickstart
pip install esphome
esphome create-project my_project
esphome run my_project/my_device.yamlVerify before relying
- Whether all 29 runtime dependencies are required for basic usage or only for specific features.
- Performance characteristics and typical compilation times for different microcontroller targets.
- Scope of Home Automation system integrations supported beyond the general statement in the summary.
- Which microcontroller boards are supported beyond the general reference to microcontrollers.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release <3.15,>=3.12.0 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 29 packagescryptographyvoluptuousPyYAMLpaho-mqttcoloramatzlocaltzdatapyserialplatformioesptoolclickaioesphomeapizeroconfpuremagicruamel.yamlruamel.yaml.clibesphome-glyphsetspillowresvg-pyfreetype-pyjinja2bleaksmpclientrequestspy7zrplatformdirsfilelockpyparsingargcomplete |
| Maintenance | Actively maintained 9 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 521,889 / month, #6,204 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Environment :: ConsoleIntended Audience :: DevelopersIntended Audience :: End Users/DesktopProgramming Language :: C++Programming Language :: Python :: 3Topic :: Home Automation |
Evidence: esphome-2026.7.4-py3-none-any.whl
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See also esphome-dashboard · esphome-device-builder · esphome-device-builder-frontend · smpmgr · platformio · pioarduino · bleak-esphome · aioesphomeapi · esptool · smp