Titlebook: IoT Development for ESP32 and ESP8266 with JavaScript; A Practical Guide to Peter Hoddie,Lizzie Prader Book 2020 Peter Hoddie and Lizzie Pr

不怕任性

Files and Data,This chapter explains how to work with stored data on embedded systems, given their code size limitations, constrained RAM, and performance constraints. It explains the three primary ways to store data—files, preferences, and resources—and introduces direct access to flash memory, an advanced technique that offers the greatest flexibility.

garrulous

嘲弄

Audio,This chapter explains how to play sounds using an inexpensive speaker that’s easy to attach directly to an ESP32 or ESP8266. You’ll also learn how you can achieve higher-quality audio playback using an external I2S audio driver and how to choose the optimal audio format for your project.

高射炮

Building User Interfaces with Piu,This chapter elaborates on Piu, the object-oriented user interface framework that uses the Poco renderer to draw and simplifies the process of creating sophisticated user interfaces. The chapter provides an overview of how Piu works and introduces its key capabilities through a series of examples.

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978-1-4842-5069-3Peter Hoddie and Lizzie Prader 2020

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https://doi.org/10.1007/978-1-4842-5070-9JavaScript; ESP8266; ESP32; JavaScript for ESP8266/ESP32; ESP8266/ESP32 application development; JavaScri

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Bluetooth Low Energy (BLE),s choose to use BLE instead of Wi-Fi if minimizing energy use is particularly important and when direct communication with another device, such as a mobile phone, is an acceptable alternative to internet access.

懶洋洋

集聚成團(tuán)

禁令

Adding Native Code,ur JavaScript projects (or JavaScript code into your C projects).?Using XS in C enables you to optimize memory use, improve performance, reuse existing C and C++ code libraries, and access unique hardware capabilities.