The FireBeetle ESP32 IoT Microcontroller is a compact, low-power development board designed for high-performance IoT applications. As a versatile ESP32 development board part of the DFRobot FireBeetle Series, this board integrates the dual-core ESP-WROOM-32 module and supports both WiFi and Bluetooth communication, making it an ideal choice for a wide range of low-power IoT projects and professional ESP32 microcontroller needs. Projects Project 1. ESP32 Deep Sleep Tutorial for Low Power Projects Introduction: Learn how to put the ESP32 chip into the Deep Sleep mode in order to conserve power and make our projects battery friendly. This ESP32 development board guide is essential for energy-efficient designs. Project 2. How to Use Bluetooth(BLE) With ESP32 Introduction: Learn how to use the ESP32 board to send temperature reading over Bluetooth Low Energy. This WiFi Bluetooth board simplifies wireless data transmission. Project 3. Controlling Air Conditioner temperature automatically with ESP32 Introduction: This tutorial teaches you how to fetch the real-time weather data with a microcontroller and how to mimic the air conditioner remote control that uses IR (Infrared) technology to control the AC using an IR transmitter. This ESP32 microcontroller project is perfect for home automation. Project 4. Solar Weather Station Using ESP32 Introduction: This project aims at building a Weather Station and send the data to your channel. The system will be placed on the balcony and will retrieve temperature, humidity and air pressure using this advanced ESP32 development board. Key Features of FireBeetle ESP32 Dev Board Dual-core ESP-WROOM-32 chip, running at 240MHz 16MB Flash and 520KB SRAM Integrated WiFi and Bluetooth v4.2 for dual-mode communication Supports multiple programming methods: Arduino, IDF, MicroPython, Mind+ Compact design, ideal for battery-powered and space-constrained projects Automatic power switching between USB and 3.7V lithium battery Fully Arduino IDE compatible, supports one-click downloading Rich interfaces: 5 analog pins, 10 digital I/O, UART, SPI, I2C, I2S, SD card LED_BUILTIN on D9, FireBeetle pin-compatible Over 250 Detailed ESP32 Tutorials The FireBeetle ESP32 development board comes with over 250 comprehensive tutorials. Whether you're a beginner or an advanced developer, these resources guide you through everything from setup and installation to complex IoT project development—helping you make the most out of this powerful ESP32 dev board and Arduino ESP32 environment. Flexible Power Supply Options Supports USB power and external 3.7V lithium battery Auto power switching ensures seamless operation in mobile or embedded systems Rich Interface & Peripheral Support With its versatile I/O, the FireBeetle ESP32 easily connects to various sensors and actuators. This ESP32 microcontroller is fully expandable for professional use: 5 analog inputs 10 digital I/O pins 1 UART, 1 SPI, 1 I2C, 1 I2S, SD card interface Compatible with FireBeetle Gravity Series peripherals Multiple Programming Methods This ESP32 microcontroller supports various development environments, making it a top-tier ESP32 development board: Arduino IDE with direct Dx-style pin mapping MicroPython for rapid prototyping Mind+ graphical programming for visual learners ESP-IDF for low-level hardware control Version Upgrades New anti-reverse connection silk screen Revised LiPo battery connector orientation for better cable management Specifications Operating Voltage: 3.3V Input Voltage: 3.3V~5V Max Discharge Current: 600mA Max Charge Current: 500mA Processor: Tensilica LX6 dual-core Frequency: 240MHz Flash: 16MB SRAM: 520KB WiFi Protocols: 802.11 b/g/n/d/e/i/k/r Bluetooth: v4.2 BR/EDR/BLE Working Current: 80mA (average) Temperature Range: -40°C to +85°C Dimensions: 29 × 58 mm (1.14 x 2.28 in) Mounting Hole Diameter: 3.1mm inner / 6mm outer Applications Remote environmental monitoring Smart home automation Wearable IoT projects Educational electronics DIY robotics Wireless data logging Package Includes 1 × FireBeetle ESP32 IoT Microcontroller 2 × 18-Pin 2.54mm Male Header 2 × 18-Pin 2.54mm Female Header