# ESP32 development board, CH340C, 4MB, WiFi and Bluetooth

> Development board with ESP-32 microcontroller, WiFi and Bluetooth, 4MB Flash memory and CH340C USB driver, USB Type-C connector. Includes charging circuit for a 3.7V Li-Ion battery, compatible with WEMOS Lite version and suitable for breadboard mounting. Power supply: 5VDC via USB or 3.2-4.2V from external lithium battery. Dimensions: 50 x 25.7mm.

- Page: https://sigmanortec.ro/en/esp32-development-board-ch340c-4mb-wifi-and-bluetooth
- Price: 33.36 RON
- Availability: In stock; 1-2 zile
- Reference: 33509 · EAN: 5943373850498
- Category: Mechatronics and IoT > Development Board > IoT Development Boards, Wireless
- Package (shipping data): 0.006 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:45 (Europe/Bucharest)

## Description

Ideal for IoT prototypes and portable projects, the ESP32-based board offers WiFi and Bluetooth, 4MB Flash memory, and a USB Type-C interface via CH340C for fast programming. It includes a 3.7V Li-Ion battery charging circuit and is compatible with WEMOS Lite, suitable for breadboard mounting and rapid development.
Development board with ESP-32 microcontroller featuring a lithium battery interface, WiFi and Bluetooth connectivity, 4MB Flash memory.
Compatible with the WEMOS Lite version.
The board may be incompatible with the latest version of the CH340 driver (2023). Download the driver from the Download section.
The development board offers several advantages over Arduino, having similar properties, it is faster, has more memory, and additionally provides WiFi and Bluetooth connectivity; it is also perfectly compatible with any Breadboard.
Very important is also the fact that the board includes a charging/discharging circuit for lithium batteries (nominal voltage 3.7V), making it ideal for any project.
Specifications:
ESP32 Datasheet
Power supply voltage: 5VDC via USB / 3.2 - 4.2V from external lithium battery
Microcontroller: ESP-32
USB Driver: CH430
Flash: 4MB
USB Port: Type-C
Dimensions mm: 50 x 25.7mm