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ESP32 WROOM WiFi BLE Bluetooth IOT Node MCU Board

ESP32 WROOM WiFi BLE Bluetooth IOT Node MCU Board

ESP 32 WiFi + BLE Bluetooth 4.0 IoT Development Node MCU Board

The ESP32 WROOM WiFi BLE Bluetooth IoT NodeMCU Board is a powerful and versatile development platform designed for IoT, automation, embedded systems, and wireless communication projects. Powered by Espressif’s ESP32 chipset, it integrates dual-core processing, WiFi, and Bluetooth Low Energy (BLE) in a compact and energy-efficient design.

These boards support multiple USB-to-UART controllers such as CP2102, CH9102X, and CH340C, along with Micro-USB and Type-C interfaces. Variants are available with different pin counts, onboard OLED display, and ESP32-D or ESP32-U modules to suit a wide range of applications including prototyping, product development, and educational use.


Key Features

  • Dual-core ESP32 processor with WiFi and BLE

  • Integrated ESP32-WROOM / ESP32-D / ESP32-U modules

  • Supports Micro-USB and Type-C connectors

  • Multiple USB-to-UART options: CP2102, CH9102X, CH340C

  • Available in 26-pin, 30-pin, and 38-pin layouts

  • Select variants include onboard OLED display

  • Compatible with Arduino IDE, ESP-IDF, MicroPython

  • Ideal for IoT, robotics, automation, and wireless projects


Applications

  • IoT and smart home devices

  • Wireless sensor networks

  • Home automation

  • Robotics and automation projects

  • Data logging and cloud connectivity

  • Embedded product prototyping

  • Educational and learning platforms


Available Variants

ESP32 NodeMCU Variants List

Variant Name USB Interface USB-UART Chip Pins Notes
ESP32-CP2102-MicroUSB-30Pins Micro-USB CP2102 30 Standard compact board
ESP32-CP2102-TypeC-30Pins Type-C CP2102 30 Modern USB-C connector
ESP32-CP2102-MicroUSB-38Pins Micro-USB CP2102 38 More GPIO access
ESP32-CP2102-TypeC-38Pins Type-C CP2102 38 Full-featured GPIO layout
ESP32-CH9102X-MicroUSB-30Pins Micro-USB CH9102X 30 Cost-effective UART
ESP32-CH9102X-MicroUSB-38Pins Micro-USB CH9102X 38 Expanded I/O
ESP32-CH340C-MicroUSB-38Pins Micro-USB CH340C 38 Widely supported USB-UART
ESP32-CH340C-TypeC-30Pins Type-C CH340C 30 Compact Type-C board
ESP32D-CP2102-OLED-MicroUSB-26Pins Micro-USB CP2102 26 Onboard OLED display
ESP32U-CH9102X Varies CH9102X Varies External antenna support
ESP32D-CH9102X Varies CH9102X Varies Integrated antenna
ESP32U-CP2102 Varies CP2102 Varies External antenna version
ESP32D-CP2102 Varies CP2102 Varies Integrated antenna version

Specifications

Parameter Details
MCU ESP32 (Dual-Core)
Wireless WiFi 802.11 b/g/n, Bluetooth, BLE
Operating Voltage 3.3V
Input Voltage 5V via USB
Clock Speed Up to 240 MHz
Flash Memory Typically 4MB
Programming Support Arduino IDE, ESP-IDF, MicroPython
GPIO Count Depends on variant (26 / 30 / 38 pins)
USB Interface Micro-USB or Type-C
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From $1.20

Original: $3.99

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ESP32 WROOM WiFi BLE Bluetooth IOT Node MCU Board

$3.99

$1.20

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Description

ESP 32 WiFi + BLE Bluetooth 4.0 IoT Development Node MCU Board

The ESP32 WROOM WiFi BLE Bluetooth IoT NodeMCU Board is a powerful and versatile development platform designed for IoT, automation, embedded systems, and wireless communication projects. Powered by Espressif’s ESP32 chipset, it integrates dual-core processing, WiFi, and Bluetooth Low Energy (BLE) in a compact and energy-efficient design.

These boards support multiple USB-to-UART controllers such as CP2102, CH9102X, and CH340C, along with Micro-USB and Type-C interfaces. Variants are available with different pin counts, onboard OLED display, and ESP32-D or ESP32-U modules to suit a wide range of applications including prototyping, product development, and educational use.


Key Features

  • Dual-core ESP32 processor with WiFi and BLE

  • Integrated ESP32-WROOM / ESP32-D / ESP32-U modules

  • Supports Micro-USB and Type-C connectors

  • Multiple USB-to-UART options: CP2102, CH9102X, CH340C

  • Available in 26-pin, 30-pin, and 38-pin layouts

  • Select variants include onboard OLED display

  • Compatible with Arduino IDE, ESP-IDF, MicroPython

  • Ideal for IoT, robotics, automation, and wireless projects


Applications

  • IoT and smart home devices

  • Wireless sensor networks

  • Home automation

  • Robotics and automation projects

  • Data logging and cloud connectivity

  • Embedded product prototyping

  • Educational and learning platforms


Available Variants

ESP32 NodeMCU Variants List

Variant Name USB Interface USB-UART Chip Pins Notes
ESP32-CP2102-MicroUSB-30Pins Micro-USB CP2102 30 Standard compact board
ESP32-CP2102-TypeC-30Pins Type-C CP2102 30 Modern USB-C connector
ESP32-CP2102-MicroUSB-38Pins Micro-USB CP2102 38 More GPIO access
ESP32-CP2102-TypeC-38Pins Type-C CP2102 38 Full-featured GPIO layout
ESP32-CH9102X-MicroUSB-30Pins Micro-USB CH9102X 30 Cost-effective UART
ESP32-CH9102X-MicroUSB-38Pins Micro-USB CH9102X 38 Expanded I/O
ESP32-CH340C-MicroUSB-38Pins Micro-USB CH340C 38 Widely supported USB-UART
ESP32-CH340C-TypeC-30Pins Type-C CH340C 30 Compact Type-C board
ESP32D-CP2102-OLED-MicroUSB-26Pins Micro-USB CP2102 26 Onboard OLED display
ESP32U-CH9102X Varies CH9102X Varies External antenna support
ESP32D-CH9102X Varies CH9102X Varies Integrated antenna
ESP32U-CP2102 Varies CP2102 Varies External antenna version
ESP32D-CP2102 Varies CP2102 Varies Integrated antenna version

Specifications

Parameter Details
MCU ESP32 (Dual-Core)
Wireless WiFi 802.11 b/g/n, Bluetooth, BLE
Operating Voltage 3.3V
Input Voltage 5V via USB
Clock Speed Up to 240 MHz
Flash Memory Typically 4MB
Programming Support Arduino IDE, ESP-IDF, MicroPython
GPIO Count Depends on variant (26 / 30 / 38 pins)
USB Interface Micro-USB or Type-C
ESP32 WROOM WiFi BLE Bluetooth IOT Node MCU Board | MakerBazar