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Hardware Overview

This section covers all hardware components in the IoT Toolkit.

Components

Core

  • ESP32 - WiFi-enabled microcontroller

Sensors

Displays

Modules

Communication

Connections

Quick Reference

Component Interface Voltage Purpose
ESP32 WiFi 3.3V Main controller
Temperature I2C 3.3V Ambient temp
Humidity I2C 3.3V Relative humidity
Vibration I2C 3.3V Motion detection
Acoustic I2C 3.3V Sound detection
LCD I2C 3.3V Text display
TFT SPI 3.3V Color display
I2C Multiplexer I2C 3.3V Address management
Voice Module I2C/UART 3.3V Audio output
Camera Special 3.3V Image capture

Getting Started

New to the hardware? Start with the ESP32 setup guide before connecting other components.