EmbeddedRelated.com

ESP32 modules Family (15 parts in our catalog)

The ESP32 family, developed by Espressif Systems, is a series of low-cost, low-power system-on-chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. Built around the Xtensa Dual-Core 32-bit LX6 microprocessor or RISC-V cores, these modules are designed for robust wireless connectivity and efficient power management. They are widely used in industrial automation, smart home ecosystems, and wearable technology, offering a scalable platform for developers moving from prototype to high-volume production deployments.

Key Features

Sub-families

Sub-family Variants Core Features
OTHER
ESP32-WROOM 15

Typical Use Cases

Embedded engineers leverage the ESP32 family for diverse applications requiring reliable wireless telemetry and local processing. In industrial IoT, ESP32 modules function as sensor gateways, collecting data via I2C or SPI and transmitting it to cloud platforms over Wi-Fi. The integrated Bluetooth stack enables seamless provisioning and local diagnostics via mobile applications. In smart home infrastructure, the family supports Matter and HomeKit protocols, driving devices like smart lighting, HVAC controllers, and security cameras. Due to its hardware encryption engines and secure boot capabilities, the ESP32 is also suitable for edge devices requiring secure data transmission. Furthermore, the dual-core architecture allows for a dedicated protocol stack management on one core while executing complex application logic on the other, making it ideal for real-time motor control or audio processing applications where timing precision is critical.

Popular Variants

Top variants from across the family, with specs that differentiate them.

Part Number Sub-family Memory Interfaces Antenna Type Tx Power Voltage Utilized IC / Part Stock
ESP32-WROOM-32E-N4 ESP32-WROOM 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 7,664
ESP32-WROOM-32UE-N16 ESP32-WROOM 16MB ADC, GPIO, I2C, I2.. Antenna Not Includ.. 20dBm 3V D0WD-32 1,845
ESP32-WROOM-32E-H4 ESP32-WROOM 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 11,846
ESP32-WROOM-32E-N16 ESP32-WROOM 16MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 13,112
ESP32-WROOM-32UE-N4 ESP32-WROOM 4MB ADC, GPIO, I2C, I2.. Antenna Not Includ.. 20dBm 3V D0WD-32 582
ESP32-WROOM-32E-N8 ESP32-WROOM 8MB ADC, GPIO, I2C, I2.. PCB Trace 20dBm 3V D0WD-32 20,366
ESP32-WROOM-32D ESP32-WROOM 448k GPIO, I2C, I2S, PW.. Integrated, Trace 20.5dBm 2.7V D0WD-32

Alternatives to Consider

STM32WB Series Nordic nRF52 Series Raspberry Pi RP2040 Realtek Ameba Series