ESP32S Dev Kit C V4 NodeMCU WLAN Development Board unsoldered compatible with Arduino (successor module of ESP32S Dev Kit C)

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Sale price€14.99

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✅ Powerful ESP32S microcontroller installed! Absolute novelty on the market!
✅ Convenient prototyping by simple programming via Lua-Script or in the Arduino-IDE and Breadboard-compatible design.
✅ This board has 2.4 GHz dual-mode Wi-Fi and Bluetooth chips from TSMC as well as the 40nm low-power technology.
✅ The Dev kit includes the ESP32S module for a significant increase in transmission and reception quality.

Important downloads and links


The AZ-Delivery ESP32S Dev Kit C V4 combines in a single microcontroller a CPU with 2 Tensilica LX6 cores, clocked at up to 240 MHz, and 512 kilobyte SRAM. In addition, it integrates a radio unit for WLAN (according to 802.11b/g/n) and Bluetooth (Classic and LE).

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

  • With the new board layout, both the power supply and the reset circuit for automatic programming have been significantly improved. Our dev kit is equipped with the ESP32S.

Technical details:

Power supply (USB) 5 V
Input/output voltage 3.3 V
Required operating current min. 500 mA
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

The WLAN function supports all common encryption methods, such as WPA2. In addition, it can also act as an access point or sniffer in the WLAN. UART, I2C, SPI, DAC, ADC (12 bit) among others are available via 32 GPIO pins, all GPIO pins can be used as input or output.

Quick Start Guide

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