ESP32 – 38Pin Development Board (WIFI and Bluetooth)

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ESP32 38 pins what is it?
38-pin ESP32 is a development board that integrates Espressif SMD ESP32-WROOM-32 microcontroller. This board allows to control all kinds of sensors, modules and actuators via WIFI and BLUETOOTH, for Internet of Things projects “IoT” efficiently and economically. It has micro USB Type B to be powered and to program the ESP32 he equal integrates the USB controller to UART CP2102.

How to use the ESP32 38 pins?
The module has a voltage regulator that allows to enter 5V through the USB port, in the same way you can power it with 3.3v in the 3.3v and gnd pins, “You must be careful because if you enter the 5V voltage into the 3.3V pin of the ESP32 you can damage it.” In the same way, it has the CP2102 chip which is responsible for the USB-serial communication.

It can be programmed with a variety of software’s, programming languages, frameworks, libraries, code/examples and other resources. The most common to choose are: ESP-IDF (Espressif IoT Development Framework) developed by the chip manufacturer, Arduino IDE (in C ++ language), Simba Embedded Programming Platform (in Python language), RTOS’s (such as Zephyr Project, Mongoose OS, NuttX RTOS), MicroPython, LUA, Javascript (sprue, Duktape, Mongoose JS), Basic.

The ESP32 38 pins is specially designed to work with a protoboard and with the help of Dupont cables quickly connect all kinds of sensors.

Compatible Arduino and Micropython.


Type: Wifi + Bluetooth module
Model: ESP32 38 Pins
Power supply voltage (USB): 5V DC
Voltage inputs/outputs: 3.3V DC
Power consumption: 5μA in suspension mode
Main CPU: Tensilica XTense 32-bit LX6
Performance: Up to 600 DMIPS
Clock frequency: up to 240Mhz
Secondary processor: allows basic operations in ultra-low-power mode
Wifi: 802.11 b/g/n/e/i (802.11n @ 2.4 GHz up to 150 Mbit/s)
Bluetooth: 4.2 BR/EDR BLE dual control mode
Memory: 448 KByte ROM, 520 KByte SRAM, 6 KByte SRAM in RTC and QSPI support multiple flash chips/SRAM
USB-Serial Chip: CP2102
Antenna: in PCB
Digital pins GPIO: 24 (some pins only as input)
Analogole Digital convor: two 12-bit ADC type SAR, supports measurements in up to 18 channels, some pins support a programmable gain amplifier
Security: IEEE 802.11, including WFA, WPA/WP2 and WAPI
Hardware accelerated cryptography: AES, SHA-2, RSA, elliptical curve cryptography (ECC), random number generator (RNG)

Package Contents

  • 1X Nodemcu ESP32 WiFi + Bluetooth ESP WROOM 32 38 pin Development Board


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