ESP-32D Module ESP32 Wi-Fi Bluetooth 4.2 Dual-Core SMD with PCB Antenna
ESP-32D Module based on the ESP32 platform with dual-core processing, 2.4GHz Wi-Fi, Bluetooth 4.2 and BLE, integrated PCB antenna and compact SMD design for IoT and embedded PCB applications.
- Description
Description
ESP-32D Module ESP32 Wi-Fi Bluetooth 4.2 Dual-Core SMD with PCB Antenna
The ESP-32D Module is a compact ESP32 wireless SMD module designed for embedded systems, IoT devices, wireless control applications and custom PCB designs. It combines a dual-core 32-bit MCU with 2.4GHz Wi-Fi and Bluetooth connectivity in a compact module with an integrated PCB antenna.
The module integrates the main RF and wireless functions required for ESP32 applications, helping reduce external component count and PCB area while providing flexible GPIO connectivity for sensors, controllers and communication interfaces.
Key Features
- ESP32 dual-core 32-bit MCU.
- 2.4GHz Wi-Fi connectivity.
- Supports IEEE 802.11 b/g/n/e/i wireless networking.
- Bluetooth 4.2 connectivity.
- Supports Bluetooth Low Energy (BLE).
- Integrated PCB antenna.
- Compact SMD module design.
- Suitable for direct integration into custom PCBs.
- Multiple GPIO and peripheral interfaces.
- Designed for low-power embedded and IoT applications.
- Supports multiple power-saving modes.
- Integrated RF transmit/receive circuitry and power management.
Wireless Connectivity
The ESP-32D integrates 2.4GHz WLAN and Bluetooth connectivity in a single module. Its built-in RF section includes the antenna interface, RF switching, power amplifier, low-noise receive amplifier, filtering and power-management functions required for wireless operation.
Low-Power Operation
The ESP32 architecture supports several power-saving techniques for battery-powered and energy-sensitive applications, including clock gating, multiple low-power modes and dynamic voltage scaling.
These features allow the module to remain in a reduced-power state and wake only when required by the application, making it suitable for wireless sensors and other low-duty-cycle IoT systems.
GPIO & Interfaces
The module exposes a wide range of ESP32 signals and GPIO pins for connection to external electronics.
- 3.3V power.
- GND.
- Enable (EN).
- UART TX/RX.
- General-purpose GPIO pins.
- ADC-capable GPIO pins.
- SPI signals.
- I2C functionality through configurable GPIO.
- PWM and other ESP32 peripheral functions.
Applications
- IoT devices.
- Wireless sensor nodes.
- Home automation.
- Embedded control systems.
- Wi-Fi and Bluetooth-enabled products.
- Remote monitoring systems.
- Smart devices.
- Industrial monitoring and control.
- Custom ESP32 PCB designs.
- Battery-powered wireless devices.
Module Type
This product is an SMD ESP32 module intended to be soldered directly onto a compatible PCB. It is not a complete USB development board and requires the appropriate external circuitry, power supply and programming connection in the final design.
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