Description

ESP32-32D WiFi + Bluetooth Module

ESP32-32D is a powerful and compact WiFi + Bluetooth development module based on Espressif’s ESP32 platform. It features a dual-core 32-bit processor, 4MB SPI Flash, 2.4GHz WiFi, Bluetooth 4.2 and Bluetooth Low Energy (BLE).

It is suitable for IoT products, smart home devices, automation systems, wireless sensors, robotics, data loggers and other embedded applications.

Key Features
Dual-core 32-bit Xtensa LX6 processor
CPU frequency up to 240 MHz
4MB SPI Flash
2.4GHz IEEE 802.11 b/g/n WiFi
WiFi data rate up to 150 Mbps
Bluetooth 4.2 BR/EDR
Bluetooth Low Energy (BLE)
Integrated PCB antenna
Up to 32 GPIOs
ADC and DAC
Capacitive touch sensing
Hardware PWM
UART, SPI, I²C, I²S and SDIO interfaces
TWAI® interface compatible with CAN 2.0
40MHz crystal oscillator
Compact 18 × 25.5 × 3.11mm module
Operating voltage: 3.0–3.6V
Operating temperature: -40°C to +85°C
Technical Specifications
Parameter Specification
Product Name ESP32-WROOM-32D
Manufacturer Espressif Systems
MCU ESP32-D0WD
CPU Dual-core Xtensa 32-bit LX6
Maximum Frequency 240 MHz
ROM 448 KB
SRAM 520 KB
RTC SRAM 8 KB
Flash Memory 4 MB SPI Flash
WiFi IEEE 802.11 b/g/n
WiFi Frequency 2.4 GHz
WiFi Speed Up to 150 Mbps
Bluetooth Bluetooth 4.2 BR/EDR
BLE Supported
Antenna On-board PCB antenna
GPIO Up to 32
ADC Supported
DAC Supported
Touch Sensor Capacitive
Interfaces UART, SPI, I²C, I²S, SDIO
PWM LED PWM / Motor PWM
CAN TWAI®, CAN 2.0 compatible
Crystal 40 MHz
Supply Voltage 3.0–3.6V
Operating Temperature -40°C to +85°C
Module Size 18 × 25.5 × 3.11 mm

Specifications are based on Espressif’s ESP32-WROOM-32D datasheet.

Applications

The ESP32-WROOM-32D can be used in:

IoT projects
Smart home automation
WiFi sensor systems
Industrial automation
Smart agriculture
Robotics
Wireless control systems
Data logging
Remote monitoring
Bluetooth devices
Consumer electronics
POS systems
Audio applications
Camera and streaming projects
Why Buy from Kazi Tech BD?

Kazi Tech BD provides electronic components and development modules for students, hobbyists, makers, engineers and IoT developers.

The ESP32-WROOM-32D is an excellent choice when you need WiFi + Bluetooth connectivity, a powerful MCU and multiple peripheral interfaces in a compact module.

Product Highlights

WiFi: 2.4GHz 802.11 b/g/n
Bluetooth: 4.2 + BLE
Flash: 4MB
CPU: Dual-core up to 240MHz
Antenna: Built-in PCB antennai
Voltage: 3.0–3.6V
Size: 18 × 25.5 × 3.11mm

Important Product Note

Espressif currently marks the ESP32-WROOM-32D as NRND (Not Recommended for New Designs). This means it is still documented, but Espressif recommends considering newer ESP32 modules for new product designs.

Kazi Tech BD recommends checking module availability and exact variant before placing bulk orders.The ESP32-WROOM-32D from Espressif combines a dual-core 240MHz processor, 4MB Flash, 2.4GHz WiFi, Bluetooth 4.2 and BLE in a compact module. With extensive GPIO and peripheral interfaces, it is suitable for IoT, automation, robotics, smart home, wireless sensor and embedded projects.

Available at Kazi Tech BD for electronics, IoT and embedded development.