ESP32-WROOM-32 NodeMCU 38 Pins Development Board | thingbits

ESP32-WROOM-32 NodeMCU 38 Pins Development Board

SKU: TH1154

$2.99

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Type:USB C

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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.

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Overview

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.