WAVE-21848 NodeMCU-32-S2-Kit, ESP32-S2 WiFi Development Board, with ESP-12K Module

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NodeMCU-32-S2-Kit, ESP32-S2 WiFi Development Board, Based On ESP-12K Module

This is an entry-level development board based on Espressif ESP32-S2 SoC, which is is equipped with Xtensa® 32-bit LX7 single-core processor, operating frequency up to 240 MHz, supports secondary development without using other microcontrollers or processors.

The ESP32-S2 has industry-leading low-power performance and RF performance, supports IEEE802.11b / g / n protocol, integrates Wi-Fi MAC, Wi-Fi RF and baseband, RF switch, RF Balun, power amplifier, low noise Amplifier, etc, designed for various applications such as internet of things (IoT), mobile devices, wearable electronics, smart home, etc.

  • Onboard ESP-12K module that comes with a PCB antenna
  • Onboard CH340, USB to UART converter
  • USB port for power input, firmware programming, or UART debugging
  • 2x21pin extension headers, breakout all the I/O pins of the module
  • 2x keys, used as reset or user-defined


  • Complete Wi-Fi 802.11b/g/n, data rate up to 150Mbps
  • Built-in ESP32-S2 chip, Xtensa® single-core 32-bit LX7 microprocessor, support up to 240 MHz clock frequency, with 128KB ROM, 320KB SRAM, 16KB RTC SRAM
  • Integrate Wi-Fi MAC/ BB/RF/PA/LNA
  • Support multiple sleep modes, deep sleep current is less than10uA
  • Built-in Lwip protocol stack
  • Support STA/AP/STA+AP work mode
  • Smart Config (APP) / AirKiss (WeChat) one-click distribution network supporting Android and IOS
  • Support serial local upgrade and remote firmware upgrade (FOTA)
  • General AT command can be used quickly
  • Support secondary development, integrated Windows, Linux development environment


  • Dimensions: 59.05mm x 25.50mm
  • Package: DIP-42 (2.54mm pitch standard pin header)
  • Antenna: PCB antenna OR IPEX connector
  • WiFi frequency range: 2400~2483.5MHz
  • Operating temperature: -40℃ ~ 85 ℃
  • Storage condition: -40 ℃ ~ 125 ℃, < 90%RH
  • Power supply
    Micro USB supply voltage 4.75V~5.25V, 5.0V recommended;
    Pin header supply voltage 3.0V ~ 3.6V, supply current > 500mA, 3.3V recommended
  • Serial port data rate: support 110 ~ 4608000 bps, 115200 bps by default
  • WiFi security: WEP/WPA-PSK/WPA2-PSK
  • SPI Flash: default 32Mbit (i.e. 4MByte)


  • The NodeMCU-32-S2-Kit suit for IOT applications such as:
  • Smart home
  • Intelligent building
  • Industrial automation
  • Wearable devices
  • IP camera
  • Intelligent agriculture


Development Resources

Wiki : www.waveshare.com/wiki/NodeMCU-32-S2-Kit 

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