The Espressif ESP-WROOM-32 (30-pin) development board is a versatile and compact solution for Internet of Things (IoT) projects, offering powerful processing with ultra-low power consumption. Equipped with the reliable CP2102 USB-to-UART bridge and integrated dual-mode Wi-Fi and Bluetooth capabilities, this 30-pin board is an excellent choice for both individual creators and businesses developing connected devices.
Description
The ESP-WROOM-32 development board is a high-performance, cost-effective wireless microcontroller solution. At its core is the ESP32-D0WDQ6 (or similar, depending on the specific module variant like ESP-32S) chip featuring a 32-bit Xtensa® LX6 dual-core microprocessor that can be clocked up to 240 MHz. This powerful processing capability allows for the efficient execution of complex tasks like digital signal processing, voice encoding, and multimedia streaming.
This board provides a complete wireless connectivity platform, integrating 2.4 GHz dual-mode Wi-Fi (802.11b/g/n) and Bluetooth (Classic and BLE 4.2). This enables seamless communication with cloud platforms, mobile devices, and local networks. The 30-pin form factor is compact and suitable for space-constrained projects, while remaining easy to use on a standard breadboard for prototyping.
Power efficiency is a key strength of the ESP32, which is manufactured using 40nm ultra-low-power technology and features advanced power management modes, including a deep sleep mode that extends battery life in portable applications. The inclusion of the CP2102 chip ensures a stable and reliable USB connection for programming and serial debugging via the Micro-USB port.
The board supports multiple popular development environments, including the Arduino IDE, MicroPython, and the native ESP-IDF, making it highly accessible to a wide range of developers. Its rich peripheral set, including ADCs, DACs, touch sensors, and various communication interfaces, provides extensive flexibility for a multitude of applications.
Features
- Dual-Core Processor: Features two Tensilica LX6 cores, operating at up to 240 MHz.
- Integrated Wireless Connectivity: Onboard 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth v4.2 BR/EDR and BLE.
- Ultra-Low Power Consumption: Multiple power modes, including a deep sleep mode drawing less than 5 µA.
- Reliable USB Interface: Uses the robust CP2102 USB-to-UART bridge for stable communication.
- Rich Peripherals: Includes 34 programmable GPIOs, 12-bit SAR ADCs, 8-bit DACs, I²C, I²S, SPI, UART, PWM, and capacitive touch sensors.
- Compact Design: The 30-pin configuration offers a small footprint ideal for final product integration.
- Versatile Programming: Compatible with the Arduino IDE, ESP-IDF, and MicroPython.
- Robust Security: Supports secure boot, flash encryption, and TLS 1.2 for secure IoT communications.
Parameters
| Feature | Detail |
|---|---|
| Microcontroller | ESP32-D0WDQ6 (within the WROOM-32/ESP-32S module) |
| Processor Cores | Xtensa dual-core 32-bit LX6 |
| Clock Speed | Adjustable from 80 MHz to 240 MHz |
| SRAM | 520 KB |
| Flash Memory | 4 MB SPI Flash |
| Operating Voltage | 3.3V |
| Input Voltage (via USB) | 5V DC |
| Connectivity | Wi-Fi (802.11b/g/n), Bluetooth 4.2 BR/EDR & BLE |
| USB Interface Chip | CP2102 |
| Pin Count | 30 Pins |
| Operating Temperature | -40°C to +85°C (module level) |
