ESP32S Dev Kit C Unsoldered NodeMCU Module WLAN WiFi Development Board with CH340 and Compatible with Arduino

This ESP32S Dev Kit C was designed by AI-Thinker to provide an easy introduction to programming the new ESP32 dual core processor. With a host of new sensors and functions, this board represents the next step in IoT development. As with the predecessor model ESP8266, the WLAN functionality is implemented directly in the SoC, but with additional Bluetooth functionality (incl. BLE). Compared to our alternative ESP32 Dev Kit version the ESP32 chip used here is a newer revision (Rev. 3). In addition, this board has the high-quality USB serial chip CH340 and even higher demands were made on the quality of the processing of the board.

Special features

The used ESP32 processor combines in a single microcontroller chip a CPU with 2 Tensilica LX6 cores, clocked with up to 240 MHz, and 512 kilobyte SRAM. In addition, it integrates a radio unit for WLAN (according to 802.11bgn) and Bluetooth (Classic and LE).

Technical details:

Power supply (USB) 5 V

Input/output voltage 3.3 V

Required operating current min. 500 mA

SoC ESP32S

Clock frequency range 80 MHz / 240 MHz

RAM 512 kB

External flash memory 4 MB

I/O pins 34

Interfaces SPI, I2C, I2S, CAN, UART

Wi-Fi protocols 802.11 b/g/n (802.11n up to 150 Mbps)

Wi-Fi frequency 2.4 GHz - 2.5 GHz

Bluetooth V4.2 - BLE and Classic Bluetooth

Wireless antenna PCB

Dimensions 56 x 28 x 13 mm

WLAN function

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