A MicroPython websockets and Socket.io client implementation for ESP8266 microcontrollers.
uwebsockets is a MicroPython library that implements WebSocket and Socket.io client protocols specifically for ESP8266 microcontrollers. It solves the problem of enabling real-time bidirectional communication for IoT devices running MicroPython where standard asyncio isn't available. The library provides a way for embedded systems to connect to WebSocket servers and Socket.io endpoints despite hardware constraints.
IoT developers and embedded systems engineers working with ESP8266 microcontrollers who need to add real-time communication capabilities to their MicroPython projects. It's particularly useful for those building connected devices that must communicate with web services or real-time dashboards.
Developers choose this library because it's one of the few WebSocket/Socket.io implementations specifically optimized for MicroPython on ESP8266, working within the memory and processing constraints of embedded hardware. It provides a practical solution where other libraries are too heavy or incompatible with the microcontroller environment.
Micropython websockets implementation
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Implements standard-compliant WebSocket handshake, as demonstrated in the example connecting to ws://echo.websocket.org/ for reliable communication.
Provides a working Socket.io and Engine.io client implementation, tested against Flask-SocketIO, enabling real-time event-driven communication for IoT devices.
Optimized for memory-constrained ESP8266 environments by avoiding heavy dependencies like asyncio, making it suitable for embedded systems where resources are limited.
Comes with ready-to-use examples, such as connections to echo servers and an OpsGenie bridge, which help developers quickly test and integrate real-time features.
The README explicitly states it's a work in progress with parts potentially moving to other modules, leading to instability and possible breaking changes.
Requires baking code into firmware, adding the logging module, and patching MicroPython for features like socket.settimeout, as noted in the compatibility section, adding significant overhead.
Tailored specifically for ESP8266 with no mention of support for other MicroPython ports, restricting its applicability to a narrow hardware range.