ESP32-WROOM-32 NodeMCU 38 Pins Development Board

SKU: TH1153
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₹295.00 In Stock
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The ESP32-WROOM-32 38 Pin NodeMCU is a powerful development board that integrates the ESP32-WROOM-32 module.

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Overview

The ESP32-WROOM-32 38 Pin NodeMCU is a powerful development board that integrates the ESP32-WROOM-32 module. This module is based on the ESP32 chip, which features a ESP32-D0WDQ6 dual-core processors based on the Xtensa® dual-core 32-bit LX6 architecture, Wi-Fi 802.11 b/g/n, and Bluetooth BLE (Bluetooth Low Energy) and Bluetooth v4.2 connectivity, making it ideal for IoT applications.

Applications

  • Smart home devices (lighting control, security systems)
  • Industrial automation
  • Environmental monitoring (weather stations)
  • Remote control systems
  • Prototyping IoT applications

Specification

Module ESP32-WROOM-32
Processor ESP32-D0WDQ6
Xtensa® dual-core 32-bit LX6 microprocessor
Clock Speed upto 240 MHz
SRAM 520 KB
16KB in RTC
ROM 448 KB
Flash Memory 4 MB
Wireless Wi-Fi:
802.11 b/g/n
Bluetooth:
BLE (Bluetooth Low Energy) and Bluetooth v4.2
Input Voltage 5V via USB
Operating Voltage 3.3V
IO Peripherals 18 Analog-to-Digital Converter (ADC) channels
2 Digital-to-Analog Converters (DAC)
16 PWM channels
3 SPI interfaces
3 UART interfaces
2 I2C interfaces
10 Capacitive Touch Sensors

Pinout

Pinout for ESP32 NodeMCU 38 Pins

Pin Type Pin
3V3 Power Ground GND
EN Enable GPIO23 G23
SP GPIO36 GPIO22 G22
SN GPIO39 GPIO1 TXD
G34 GPIO34 GPIO3 RXD
G35 GPIO35 GPIO21 G21
G32 GPIO32 Ground GND
G33 GPIO33 GPIO19 G19
G25 GPIO25 GPIO18 G18
G26 GPIO26 GPIO5 G5
G27 GPIO27 GPIO17 G17
G14 GPIO14 GPIO16 G16
G12 GPIO12 GPIO4 G4
GND Ground GPIO0 G0
G13 GPIO13 GPIO2 G2
SD2 GPIO9 GPIO15 G15
SD3 GPIO10 GPIO8 SD1
CMD GPIO11 GPIO7 SD0
5V Power GPIO6 CLK
Power & Control Pins
3V3 Output from the on board voltage regulator. Alternatively, you can provide 3.3V directly to this pin if available. However, avoid supplying both VIN and 3V3 simultaneously.
GND Ground Pins
EN This is the reset pin. Connecting it to GND will reset the ESP32. By default, this pin is pulled high, and pressing the EN button pulls it LOW to trigger a reset.

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