Waveshare NodeMCU-32-S2-Kit ESP32-S2 WiFi Development Board with ESP-12K Module

Description

About The Protuct
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.
1. Onboard ESP-12K module that comes with a PCB antenna
2. Onboard CH340, USB to UART converter
3. USB port for power input, firmware programming, or UART debugging
4. 2x21pin extension headers, breakout all the I/O pins of the module
5.2x keys, used as reset or user-defined
Features

Features
1. Complete Wi-Fi 802.11b/g/n, data rate up to 150Mbps
2. 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
3. Support UART/GPIO/PWM/ADC/I2C
4. Integrate Wi-Fi MAC/ BB/RF/PA/LNA
5. Support multiple sleep modes, deep sleep current is less than10uA
6. Built-in Lwip protocol stack
7. Support STA/AP/STA+AP work mode
8. Smart Config (APP) / AirKiss (WeChat) one-click distribution network supporting Android and IOS
9. Support serial local upgrade and remote firmware upgrade (FOTA)
10. General AT command can be used quickly
11. Support secondary development, integrated Windows, Linux development environment

Specifications
1. Antenna: PCB antenna OR IPEX connector
2. WiFi frequency range: 2400~2483.5MHz
3. Operating temperature: -40 degree C ~ 85 degree C
4. Storage condition: -40 degree C ~ 125 degree C, less than 90%RH
5. Power supply:
- Micro USB supply voltage: 4.75V~5.25V, 5.0V recommended;
- Pin header supply voltage: 3.0V ~ 3.6V, supply current greater than 500mA, 3.3V recommended
6. Serial port data rate: Support 110 ~ 4608000 bps, 115200 bps by default
7. WiFi security: WEP/WPA-PSK/WPA2-PSK
8. SPI Flash: default 32Mbit (i.e. 4MByte)
9. PSRAM: 8MByte PSRAM
10. Dimensions: 59.05mm x 25.50mm
11. Package: DIP-42 (2.54mm pitch standard pin header)