دانلود کتاب Creative DIY Microcontroller Projects with TinyGo and WebAssembly: A practical guide to building embedded applications for low-powered devices, IoT, and home automation

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Cover Title Page Copyright and credits Contributors Table of Contents Preface Chapter 1: Getting Started with TinyGo Technical requirements Understanding what TinyGo is How TinyGo works Comparing TinyGo to Go Setting up TinyGo Installing on Linux Installing on Windows Installing on macOS Installing on Docker Understanding IDE integration VS Code integration General IDE integration Setting up Goland Integrating any editor The Arduino UNO Getting to know the technical specifications Exploring pinout Checking out the Hello World of Things Getting the requirements ready Preparing the project Programming the microcontroller Flashing the program Using TinyGo Playground Summary Questions Chapter 2: Building a Traffic Lights Control System Technical requirements Lighting an external LED Lighting an LED when a button is pressed Building the circuit Programming the logic Building traffic lights Building the circuit Creating a folder structure Writing the logic Building traffic lights with pedestrian lights Assembling the circuit Setting up the project structure Writing the logic Summary Questions Further reading Chapter 3: Building a Safety Lock Using a Keypad Technical requirements Writing to the serial port Monitoring the serial port Monitoring input from a keypad Building the circuit Understanding the workings of a 4x4 keypad Writing the driver Driver variables Configure GetIndices GetKey main Finding drivers for TinyGo Contributing drivers to TinyGo Controlling a servomotor Understanding SG90 servomotors Building the circuit Writing the servo control logic Building a safety lock using a keypad Building the circuit Writing the logic Summary Questions Chapter 4: Building a Plant Watering System Technical requirements Reading soil moisture sensor data Assembling the circuit Finding thresholds Understanding ADC in TinyGo Writing a library for the sensor Testing the library Reading water level sensor data Writing a water level sensor library Controlling a buzzer Writing a buzzer library Controlling a pump Working with relays Writing a pump library Watering your plants Summary Questions References Chapter 5: Building a Touchless Handwash Timer Technical requirements Introducing the Arduino Nano 33 IoT Installing Bossa Learning to measure distances Understanding the HC-SR04 sensor Assembling the circuit Writing a library Unit testing in TinyGo Writing an example program for the library Using 4-digit 7-segment displays Using a MAX7219 Writing a library to control the MAX7219 Writing a library to control the hs42561k display Putting it all together Summary Questions Chapter 6: Building Displays for Communication using I2C and SPI Interfaces Technical requirements Exploring the TinyGo drivers Displaying text on an HD44780 16x2 LCD display Building the circuit Understanding I2C Writing the code Displaying user input on the display Building a CLI Understanding SPI Displaying a simple game Building the circuit Using an ST7735 display Developing a game Summary Questions Chapter 7: Displaying Weather Alerts on the TinyGo Wasm Dashboard Technical requirements Building a weather station Assembling the circuit Programming the weather station Sending MQTT messages to a broker Implementing the Wi-Fi package Implementing an MQTT client abstraction layer Implementing the weather station Introducing Wasm Displaying sensor data and weather alerts on a Wasm page Serving the application Implementing the weather app Summary Questions Chapter 8: Automating and Monitoring Your Home through the TinyGo Wasm Dashboard Technical requirements Building a home automation dashboard Creating a reusable MQTT component Setting up the Wasm instantiation code Creating the HTML template Implementing the login view logic Implementing the dashboard component Implementing the main logic Serving the app Building the home automation client Setting up the circuit Implementing the logic Requesting data from the microcontroller Checking other implementation ideas Summary Questions Appendix – "Go"ing Ahead Blocking a goroutine Reading from a channel A select statement Sleeping is a blocking call Finding heap allocations Assessments Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Afterword Why subscribe? About Packt Other Books You May Enjoy Index