WeAct Studio ESP32-DOWD-V3 Development Board Type-C CH340K
WeAct Studio ESP32-DOWD-V3 Development Board Type-C CH340K - Image 2
SKU: IOWC-1275
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WeAct Studio ESP32-DOWD-V3 Development Board Type-C CH340K

₹549.00 (Inclusive of all taxes)
Out of Stock

The WeAct Studio ESP32-DOWD-V3 is a compact development board featuring the ESP32 dual-core microcontroller with integrated 2.4GHz Wi-Fi and Bluetooth dual-mode connectivity, programmable via Arduino IDE or ESP-IDF with a convenient USB Type-C interface and CH340K serial converter.

Features

  • ESP32 Dual-Core SoC: Features Xtensa LX6 dual-core processor with integrated 2.4GHz Wi-Fi and Bluetooth Classic/BLE for robust IoT connectivity.
  • USB Type-C & CH340K: Modern Type-C port for power and programming, paired with a CH340K USB-to-serial chip for reliable PC communication.
  • Ultra-Low Power Design: Built on TSMC 40nm low-power process, supporting deep sleep modes for battery-powered sensor nodes and wearables.
  • Compact Form Factor (approx. 5×5 cm): Small footprint with accessible GPIO pins, ideal for prototyping and embedding into final designs.
  • Rich Development Support: Fully compatible with Arduino Core for ESP32, ESP-IDF, MicroPython, and PlatformIO for rapid firmware development.

Out of stock

Description

The WeAct Studio ESP32-DOWD-V3 Development Board provides a streamlined platform for building connected IoT devices. It centers on the Espressif ESP32 chip, which combines a dual-core Xtensa LX6 processor with 520KB SRAM and 448KB ROM, enabling complex application logic alongside wireless communication stacks. The board’s RF section is optimized for stability and range, supporting 802.11 b/g/n Wi-Fi and Bluetooth v4.2 BR/EDR/BLE protocols.

Power management is a key focus, leveraging the chip’s 40nm process technology to achieve low active and sleep currents, making it suitable for always-on sensing applications. The inclusion of a CH340K USB-to-serial bridge and a modern Type-C connector simplifies the development workflow, allowing for quick flashing and serial debugging without external adapters. This board is engineered for developers seeking a reliable, feature-complete ESP32 base for prototypes and production-ready wireless systems.

Key Features

  • Integrated Wireless Core: Single-chip solution for 2.4GHz Wi-Fi and Bluetooth dual-mode (Classic & Low Energy) connectivity.
  • High-Performance Processing: Dual-core Xtensa LX6 CPU operating at up to 240MHz with 520KB SRAM for handling network stacks and application code.
  • Optimized Power Architecture: TSMC 40nm process enables multiple low-power modes, including deep sleep, for extended battery life in field deployments.
  • Developer-Friendly Interface USB Type-C port with integrated CH340K serial converter ensures easy programming and stable serial communication with PCs.
  • Compact & Accessible Design: All critical GPIOs are broken out to standard headers, facilitating connection to sensors, displays, and actuators.
  • Robust RF Performance: On-board PCB antenna or external antenna option provides reliable wireless links for indoor and outdoor IoT networks.

Applications

  • Smart Home Automation Hubs: Central controller for Wi-Fi/BLE sensors, smart switches, and voice assistants.
  • IoT Sensor Nodes: Battery-powered environmental monitors (temperature, humidity, air quality) with wireless data upload.
  • Prototyping & Education: Core board for electronics projects, robotics, and IoT workshops using Arduino or MicroPython.
  • Wireless Data Gateways: Bridge for converting BLE sensor data to Wi-Fi for cloud connectivity (MQTT, HTTP).
  • Wearable Tech Prototypes: Development platform for fitness trackers and smart watches leveraging BLE and low-power modes.

Technical Specifications

Microcontroller / SoCEspressif ESP32 (Dual-Core Xtensa LX6)
Wireless Protocols2.4GHz Wi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR/BLE
CPU FrequencyUp to 240 MHz
SRAM520 KB
ROM448 KB
Supply Voltage5V via USB Type-C
USB InterfaceType-C with CH340K USB-to-Serial
GPIO & InterfacesMultiple digital I/O, ADC, DAC, I2C, SPI, UART, PWM
AntennaIntegrated PCB antenna
Dimensions (approx.)50 x 50 mm (5 x 5 cm)

Frequently Asked Questions

How do I program the WeAct Studio ESP32-DOWD-V3 board?

Install the CH340K USB driver on your PC, then add the ESP32 board support to the Arduino IDE via the Board Manager. Select 'ESP32 Dev Module' as the target, choose the correct COM port, and upload your sketch. For advanced use, you can also program it using ESP-IDF or MicroPython via the same USB Type-C connection. The CH340K chip handles reliable serial communication for flashing and debugging.

What is the power consumption and how can I enable deep sleep?

Active current depends on Wi-Fi/BLE usage, typically 80-250mA. Deep sleep current can be as low as 10µA. To enable deep sleep in Arduino, use `esp_deep_sleep_start()` after configuring a wake-up source like a timer or GPIO interrupt. Ensure unused GPIOs are set to INPUT_PULLUP or OUTPUT LOW to minimize leakage. Power the board via the 3.3V pin with a regulated LiPo for lowest sleep current, bypassing the onboard regulator.

Can I use an external antenna with this ESP32 board?

This version uses an integrated PCB antenna. To connect an external antenna, you would need to modify the board by desoldering the 0-ohm resistor connecting to the PCB antenna and soldering a u.FL/IPEX connector or wire to the RF pad, matching 50-ohm impedance. For best results, use a 2.4GHz antenna with SMA or RP-SMA connector via a u.FL to SMA pigtail cable, ensuring the RF trace is kept short.

Package Includes

  • 1 x WeAct Studio ESP32-DOWD-V3 Development Board

Additional Information

Weight 0.01 kg
Dimensions 5 × 5 × 2 cm

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