The ESP32 NodeMCU Wi-Fi + Bluetooth Development Board is a highly integrated, low-cost, low-power system-on-chip (SoC) microcontroller module designed for internet-of-things (IoT) applications. Populated with a high-performance Tensilica Xtensa 32-bit dual-core processor, it seamlessly bridges ultra-low-power standby modes with dual wireless protocols. It features a built-in CP2102 USB-to-UART bridge controller, allowing developers to program it directly over USB via the Arduino IDE, MicroPython, or ESP-IDF for smart home automation, remote logging, and wearable tech.Â
✨ Key Features
- Dual Wireless Connectivity: Features a fully integrated 2.4 GHz Wi-Fi transceiver (802.11 b/g/n) along with Bluetooth v4.2 BR/EDR and Bluetooth Low Energy (BLE).Â
- High-Speed Dual-Core Architecture: Powered by two independently controllable CPU cores running up to 240 MHz to handle compute-heavy sensor math and network tasks simultaneously.
- Rich Peripheral Subsystem: Outfitted with dynamic capacitive touch sensors, Hall effect sensors, high-speed SPI, I2C, UART, DAC, and 12-bit analog-to-digital (ADC) channels.Â
- Ultra-Low Power Operations: Features fine-grained clock gating, dynamic power scaling, and multiple sleep modes that drop current consumption under 5µA for battery preservation.

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