Espruino
Espruino is an open-source JavaScript interpreter designed for microcontrollers and embedded devices. It allows writing code in JavaScript to program and control hardware instead of lower-level languages like C or Assembly.
javascript
microcontrollers
iot
Espruino: Open-Source JavaScript Microcontroller Development Platform
Espruino is an open-source JavaScript interpreter designed for microcontrollers and embedded devices. It allows writing code in JavaScript to program and control hardware instead of lower-level languages like C or Assembly.
What is Espruino?
Espruino is an open-source JavaScript interpreter and development platform designed specifically for microcontrollers and embedded devices. It allows developers to leverage the flexibility and features of high-level JavaScript to program microcontrollers and hardware instead of using lower-level languages like C or Assembly.
Some key features and benefits of Espruino include:
- Full implementation of JavaScript (ECMAScript 5.1 and modules) optimized for microcontrollers
- Very small memory and CPU footprint, fitting even on low-cost microcontrollers
- Built-in peripherals access, I/O handlers, and common protocols
- Interactive command-line and REPL for rapid testing and debugging
- Easy to get started with but also supports advanced features like modules
- Thriving open-source community with libraries and plugins
- Supports popular boards like ESP8266, ESP32, STM32, Nordic NRF, Pico, etc.
- Integrated IDEs available as well as support for VS Code extensions
With Espruino, developers can leverage their existing JavaScript skills to program embedded projects rather than learn niche proprietary languages. It brings the flexibility and ecosystem of JavaScript to resource-constrained devices.
Espruino Features
Features
- Runs JavaScript directly on microcontrollers
- Supports common hardware peripherals like GPIO, I2C, SPI
- Interactive REPL for testing
- Web-based IDE
- Module system for code organization
- Event-driven programming model
- Asynchronous I/O support
- Built-in graphics, storage, and crypto libraries
Pricing
- Open Source
Pros
Use a high-level language instead of C/C++
Fast prototyping and development
Large ecosystem of JavaScript packages
Cross-platform support
Open source with permissive license
Cons
Performance overhead compared to native code
Limited debugging capabilities
Not optimized for very low-memory devices
Lacks features of full JavaScript implementations
Official Links
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