PCBWay 4th PCB Design Contest
Product Description

ESP32 NodeMCU-32S Lua WiFi IoT Development Board

We are holding the "4th PCB Design Contest",Looking forward to see your projects


Module model: NodeMCU-32

Size: 25. 4mm(W) *48. 3mm(H) ±0.2 mm

Package: DIP-38 (2.54 pitch standard pin header)

SPI FLASH: default 32Mbits

Support interface: UART/SPI/SDI0/I2C/PWM/I2S/IR/ADC/DAC

Frequency range: 2400^2483. 5MHz

Serial port speed: support 300 ~ 4608000 bps, the default is 115200 bps

Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards

SPI Flash: Default 32Mbit, maximum support 128Mbit

Working temperature: -20℃~70 ℃

Storage environment: -40 ℃~125 ℃, <90%RH

Power supply range: Micro USB power supply voltage 4. 75V, 5. 25V, recommended 5.0V

Power supply voltage 3.0V, 3.6V, power supply current> 500mA, recommended 3.3V



  • 802.11b/g/n (802.11n, speed up to 150Mbps);
  • WIFI frequency range 2400-2483.5MHz;
  • The adjustment range of clock frequency is 80 MHz to 240 MHz, supporting RTOS;
  • Built-in 2 channels 12bit high-precision ADC, up to 18 channels;
  • Support UART/GPIO/ADC/DAC/SDIO/PWM/l2C/l2S^n;
  • Support multiple sleep modes, the sleep current of ESP32 chip is less than 5rA;
  • Built-in Lwip protocol stack;
  • Support STA/AP/STA+AP working mode;
  • Support serial port local upgrade and remote firmware upgrade (FOTA);
  • General AT commands can be quickly started;
  • Support secondary development, integrated Windows, Linux development environment

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