SKU: IOWC-1328
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ESP32 WROVER-E CH340 ESP32-DEVKITC Core Board

₹1,659.00 (Inclusive of all taxes)
Out of Stock

The ESP32 WROVER-E CH340 ESP32-DEVKITC Core Board is a feature-rich development platform based on the Espressif ESP32 SoC, integrating 4MB flash, 8MB PSRAM, and dual-mode Wi-Fi & Bluetooth connectivity for Arduino IDE, ESP-IDF, and MicroPython firmware development.

Features

  • Powered by the ESP32 dual-core processor with integrated 2.4GHz Wi-Fi and Bluetooth for IoT connectivity.
  • Includes 8MB of external PSRAM and 4MB flash memory for data-intensive applications and complex firmware.
  • Features a CH340 USB-to-UART bridge for reliable serial communication and easy programming via micro-USB.
  • Provides a comprehensive set of I/O interfaces including GPIO, I2C, I2S, SPI, and UART for sensor and peripheral integration.
  • Operates from a wide 3.3V to 5V supply range, compatible with both 3.3V logic Arduino shields and 5V systems.

Out of stock

Description

The ESP32 WROVER-E DEVKITC is a robust development board centered on the Espressif ESP32 system-on-chip, designed for engineers and makers building connected IoT devices. It combines a powerful 240MHz dual-core Xtensa LX6 microprocessor with 520KB of internal SRAM, significantly expanded by 8MB of external PSRAM, enabling advanced applications like voice processing, image buffering, and complex data logging without memory constraints. The integrated 2.4GHz Wi-Fi radio supports 802.11 b/g/n protocols, while Bluetooth 4.2 provides classic and low-energy connectivity options for local device networking.

Hardware integration is streamlined through the onboard CH340 USB-to-serial converter, which ensures stable firmware uploads and serial debugging via a standard micro-USB port, eliminating the need for external FTDI programmers. The board’s pinout exposes all critical ESP32 signals, including multiple ADC channels, capacitive touch inputs, and high-speed interfaces like I2S and SPI, making it suitable for audio projects, display drivers, and multi-sensor networks. With an operating voltage range of 3.3V to 5V and a robust operating temperature from -40°C to 85°C, this board is engineered for both prototyping and deployment in demanding environmental conditions.

Key Features

  • High-performance ESP32 dual-core processor (up to 240MHz) with integrated Wi-Fi and Bluetooth 4.2.
  • Extended memory architecture with 8MB PSRAM for handling large data buffers and complex algorithms.
  • Onboard CH340C USB-to-UART bridge provides plug-and-play programming and serial communication.
  • Comprehensive I/O breakout with accessible GPIO, ADC, DAC, touch pins, I2C, I2S, SPI, and UART interfaces.
  • Wide operating voltage range (3.3V-5V) for compatibility with diverse peripheral and power supply designs.
  • Integrated PCB antenna for 2.4GHz RF, optimized for indoor Wi-Fi and BLE communication range.
  • Pre-flashed with bootloader, ready for development with Arduino IDE, ESP-IDF, or MicroPython frameworks.
  • Robust gold-plated pin headers (2.54mm pitch) ensure reliable connections and long-term solderability.

Applications

  • Smart home automation hubs and Wi-Fi/Bluetooth sensor nodes.
  • IoT data loggers and wireless telemetry systems for environmental monitoring.
  • Prototyping for wearable devices and Bluetooth Low Energy (BLE) peripherals.
  • Voice control assistants and audio streaming projects utilizing I2S interface.
  • Industrial control units and HMI interfaces with touch input capabilities.

Technical Specifications

Microcontroller/SoCEspressif ESP32 (Dual-Core Xtensa LX6)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR/BLE
Frequency Range2.4GHz - 2.5GHz
Flash Memory4 MB
PSRAM8 MB
SRAM520 KB
Supply Voltage3.3 V to 5 V
Operating CurrentApprox. 80mA (average active, Wi-Fi on)
InterfacesGPIO, I2C, I2S, SPI, UART, ADC, DAC, Touch
USB InterfaceMicro-USB with CH340 USB-to-UART Bridge
AntennaIntegrated PCB Antenna
Operating Temperature-40°C to +85°C
Dimensions (approx.)80mm x 50mm x 20mm (Board with headers)

Frequently Asked Questions

How do I program this ESP32 board using the Arduino IDE?

First, install the ESP32 board support via the Arduino Boards Manager using the URL https://Espressif.github.io/Arduino-esp32/package_esp32_index.json. Select 'ESP32 Dev Module' as your board. Connect the board via micro-USB, ensure the CH340 drivers are installed on your PC, select the correct COM port, and upload your sketch. The onboard CH340 chip handles the USB-to-serial conversion automatically for firmware flashing.

What is the purpose of the 8MB PSRAM on this board?

The 8MB PSRAM (Pseudo Static RAM) provides additional volatile memory external to the ESP32's internal SRAM. It is essential for memory-intensive applications such as buffering high-resolution camera images, storing audio samples, handling large data sets in machine learning models, or managing complex graphical user interfaces on displays, preventing memory overflow and improving system performance.

Can I power this ESP32 board with a 5V supply?

Yes, the board's design accepts a supply voltage range from 3.3V to 5V. You can power it via the micro-USB port (5V) or the VIN pin (5V). An onboard voltage regulator steps down the input to the 3.3V required by the ESP32 core and its peripherals. Ensure your 5V power source can provide at least 500mA for stable operation, especially when Wi-Fi is active.

Does the board support deep sleep modes to save power?

Yes, the ESP32 SoC supports multiple low-power modes, including deep sleep where current consumption can drop to microamps. You can enable deep sleep in your firmware using the `esp_deep_sleep_start()` function in ESP-IDF or equivalent Arduino libraries. Wake-up can be triggered by a timer, external GPIO pin, or touch sensor. The CH340 chip remains powered via USB but does not interfere with the ESP32's sleep cycles when powered separately.

Package Includes

  • 1 x ESP32 WROVER-E CH340 ESP32-DEVKITC Core Board

Additional Information

Weight 0.01 kg
Dimensions 5 × 8 × 2 cm