Comfortable Prototyping is possible with the NodeMCU-ESP32 through an easy programming via Lua-script or Arduino IDE and the breadboard-compatible construction. This board has more than 2.4 GHz Dual-Mode Wifi and Bluetooth. Additionally, on the microcontroller development board are a 512 KB SRAM and a 16MB storage integrated. The board has among others 21 pins for interface connection with I2C, SPI, UART, DAC and ADC.

Processor

• Processor frequency: 240 MHz
• Processor manufacturer: Tensilica
• Processor model: Tensilica LX6
• Processor cores: 2

Memory

• RAM capacity: 0.512 MB
• Flash memory: 4 MB

Ports & interfaces

• Wi-Fi: Y
• Ethernet LAN: N
• Wi-Fi standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n)
• Bluetooth: Y
• Bluetooth Low Energy (BLE): Y
• UART: Y
• I2C interface: Y

Weight & dimensions

• Board dimensions: 48 x 26 mm
• Height: 11.5 mm
• Weight: 10 g

Power

• DC input voltage: 5 V
• USB powered: Y
• Operating voltage: 3.3 V

Operational conditions

• Operating temperature (T-T): -40 - 125C