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M5Stack Electronic Blueprints

M5Stack Electronic Blueprints

By : Don Wilcher
4.5 (4)
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M5Stack Electronic Blueprints

M5Stack Electronic Blueprints

4.5 (4)
By: Don Wilcher

Overview of this book

As an embedded systems developer or an IoT developer, you can often face challenges in maintaining focus on prototyping a product concept while using a specific high-level programming language for implementation. To overcome these challenges, the M5Stack Core platform uses an ESP32 microcontroller and block code that allows you to focus on product creation and application instead of the high-level programming language. M5Stack Electronics Blueprints presents various design and prototyping approaches as well as UI layout and electronics interfacing techniques that will help you to become skilled in developing useful products effectively. This book takes you through a hands-on journey for a better understanding of the ESP32 microcontroller and the M5Stack Core's architecture. You’ll delve into M5Stack Core topics such as electronic units, light, sound, motion devices, interfacing circuits, SNAP circuit kits, Arduino applications, and building Bluetooth and Wi-Fi IoT devices. Further, you’ll explore various M5Stack core applications using a project-based learning method, including the fascinating 32-bit microcontroller device technology. By the end of this book, you’ll be able to design and build interactive, portable electronic controllers, IoT, and wearable devices using the M5Stack Core.
Table of Contents (14 chapters)
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1
Part 1: M5Stack Electronics Hardware Architecture
5
Part 2: M5Stack Electronic Interfacing Circuit Projects
9
Part 3: M5Stack IoT Projects

Creating a Bluetooth RGB LED light with sound

In the final project of this chapter, the Blockly code used in the previous activity will be used to operate an active piezo buzzer. When you send an ON text message using the Nordic Semiconductor nRF toolbox, the M5Stack Core will turn on the red LED bar, along with blaring an active piezo buzzer. Conversely, sending an OFF text message will turn off the red LED bar and the piezo buzzer. The jumper wire harness provided in Figure 7.26 will be modified by using two wires instead of three. The second standard connector-based jumper is not required for this project. One unique change to the digital output pin 26 is the attachment of a tactile pushbutton switch wired in series with the active piezo buzzer. Figure 7.30 shows an electrical wiring diagram of the tactile pushbutton switch-activated active piezo buzzer circuit:

Figure 7.30: M5Stack Core2 tactile pushbutton switch-activated active piezo buzzer circuit

Figure 7.30: M5Stack Core2 tactile pushbutton switch-activated active piezo buzzer circuit

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