Description:
The ESP32-WROOM-32D is a powerful and versatile Wi-Fi and Bluetooth combo module based on the Espressif ESP32 microcontroller. It's a System-on-a-Chip (SoC) that integrates a 32-bit dual-core processor, memory, wireless connectivity, and various peripherals, making it ideal for a wide range of IoT (Internet of Things) applications. The "4M" refers to the 4MB (megabytes) of flash memory included on the module.
Key Features:
- Powerful Microcontroller: Dual-core 32-bit Tensilica Xtensa LX6 microprocessor, offering high processing power.
- Wi-Fi Connectivity: Supports 802.11 b/g/n Wi-Fi for connecting to networks and the internet.
- Bluetooth Connectivity: Integrated Bluetooth v4.2 BR/EDR and BLE (Bluetooth Low Energy) for short-range wireless communication.
- 4MB Flash Memory: Stores the program code and data.
- Rich Peripherals: Includes various interfaces like UART, SPI, I2C, I2S, ADC, DAC, touch sensors, and more, enabling connection to a wide range of sensors and actuators.
- Low Power Consumption: Designed for battery-powered applications, with various power-saving modes.
- Compact Size: Small form factor makes it suitable for integration into space-constrained projects.
- Easy to Use: Can be programmed using various software development kits (SDKs) and frameworks, including the popular ESP-IDF.
Applications:
The ESP32-WROOM-32D finds applications in a vast range of IoT and embedded systems, including:
- Smart Home: Controlling lights, appliances, and other devices remotely.
- Wearable Electronics: Smartwatches, fitness trackers, and other wearable devices.
- Industrial Automation: Monitoring and controlling industrial equipment.
- IoT Gateways: Connecting various sensors and devices to the internet.
- Wireless Sensor Networks: Collecting data from multiple sensors and transmitting it wirelessly.
- Music Streaming: Playing audio from online services.
- Voice Recognition: Implementing voice control in devices.
- Robotics: Controlling robots and other automated systems.
- Prototyping: Rapidly developing and testing IoT concepts.
Specifications (Typical - Always check the manufacturer's datasheet):
- Microcontroller: Dual-core 32-bit Tensilica Xtensa LX6
- Clock Speed: Up to 240MHz
- Flash Memory: 4MB
- SRAM: 520KB
- Wi-Fi: 802.11 b/g/n
- Bluetooth: Bluetooth v4.2 BR/EDR and BLE
- Operating Voltage: 3.3V
- Operating Temperature: -40°C to +85°C
- Interfaces: UART, SPI, I2C, I2S, ADC, DAC, Touch Sensor, GPIOs
DATA SHEET AND USECASE
Key Features:
- Processor: Dual-core 32-bit LX6 microprocessor, operating at up to 240 MHz.
- Memory: 520 KB SRAM and 4 MB flash memory.
- Wireless Connectivity: Integrated 2.4 GHz Wi-Fi and Bluetooth 4.2 (BR/EDR and BLE).
- Operating Voltage: 3.0V to 3.6V.
- I/O Pins: 38 GPIO pins supporting various functions such as ADC, DAC, UART, SPI, I2C, and PWM.
- Antenna: Onboard PCB antenna.
