ESP32S 38-pin Expansion Board (NodeMCU-32S)

practical solution for easy connection of peripherals in IoT, automation, and embedded projects. It provides convenient access to all ESP32 GPIO pins and is ideal for rapid prototyping.

The board features USB Type-C or MicroUSB (depending on version) for power and firmware upload, along with a built-in USB-UART converter for stable communication with a PC.

Key features:

• Well-organized pin layout for prototyping

• Programmable via Arduino IDE, ESP-IDF, PlatformIO

• Compatible with ESP32S 38-pin (NodeMCU-32S)

• BOOT and RESET buttons for flashing mode

• Breadboard- and shield-friendly design

Power & interfaces:

• USB Type-C / MicroUSB

• VIN (5V), 3.3V, GND

• USB-UART: CP2102 or CH340

Specifications:

• Pin count: 38

• Interfaces: GPIO, UART, SPI, I2C, ADC, PWM

• Power supply:

  • 5V via USB

  • 6.5–16V via screw terminal

• Universal size: 24 mm + 25.5 mm

• Board size: 78 × 53.4 mm

• Weight: 29 g