![]() You may view the official benchmarks here.Īs always you can find the fruits of my labor at my GitHub account. ESP32 native vs QuickJS using float slowdown is about x25 times. ![]() ESP32 native vs QuickJS slowdown is about 圆3 times The OpenSprinkler firmware (written in Arduino) provides a rich set of features, including web-based user interface, interval programming, graphical preview, custom station names, support for master station, rain delay, concurrent station runs, etc.There are a number of popular cloud based MQTT services available that you could use, if you don't want to run your own. 圆4 native vs QuickJS slowdown is about x9 times OpenSprinkler has built in support for MQTT, which is a lightweight messaging protocol used by many IoT devices to communicate status and updates.Lastly, I've attempted to modify QuickJS to use floats instead of double since ESP32 FPU is single precision only, it will probably make it non-standard and fail many JavaScript standard tests but I've included it here anyway. Step 2: Boot and Access the Raspberry Pi Put the SD card in your Raspberry Pi and power it up. Advertisement Step one was to get the OS itself loaded onto the SD card in order to test it. You may find Carlos Alberto's Writing native modules in C for QuickJS engine useful. The OSPi version assumes that you’re working by putting a Raspberry Pi into the device. While QuickJS is different from MicroPython, its faster to execute the same workload, it was more readable for me and faster to setup and compile, one of the major drawbacks is that if you want to use it as an alternative to MicroPython, you'll need to implement your own hardware drivers for SPI, I2C etc'. It has been embedded in rust, as an isolated VM in Node JS and more. ![]() QuickJS looks very interesting as a JavaScript runtime engine, its relatively fast and the code seems self explanatory. Printf( "Error Executing transform \r\n ") It is considerably cheaper than HydraWise: an unassembled OpenSprinkler kit costs 65-80, and an assembled kit costs 130, while Hydrawise costs 400. JSValue res = JS_Call(ctx, func, global, 2, args) OpenSprinkler provides open-source hardware and software, its functionality can be modified or expanded through re-programming the MCU.
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