SM-ESP32E Wi-Fi + Bluetooth Module w/ 4M 32Mbit Flash
The SM-ESP32E is a compact, ESP32-D0WD-V3-based Wi-Fi and Bluetooth 4.2 module featuring 4MB of external flash, a PCB antenna, and a rich set of hardware interfaces for IoT development with Arduino IDE, ESP-IDF, or MicroPython.
Features
- Powered by the ESP32-D0WD-V3 dual-core Xtensa LX6 processor, clockable up to 240 MHz for demanding IoT tasks.
- Integrates 802.11b/g/n Wi-Fi (up to 150 Mbps) and Bluetooth 4.2 BR/EDR + BLE for versatile wireless connectivity.
- Includes 4MB of external SPI flash for application storage and 520KB of on-chip SRAM for data processing.
- Features a comprehensive I/O set including UART, SPI, I2C, I2S, ADC, DAC, GPIO, and capacitive touch sensors.
- Compact 20mm x 18mm form factor with an integrated PCB antenna for simplified board design and assembly.
Out of stock
The SM-ESP32E module is a cost-effective, surface-mount solution built around Espressif’s ESP32-D0WD-V3 SoC. It provides robust dual-band 2.4GHz Wi-Fi and dual-mode Bluetooth connectivity, making it suitable for a broad spectrum of IoT applications from simple sensor nodes to more complex devices involving audio streaming or local AI inference. The module operates from a 3.3V supply and is designed for low-power operation, supporting various sleep modes to extend battery life in field deployments.
Its integrated PCB antenna simplifies RF design and reduces BOM cost, while the exposed peripheral interfaces allow direct connection to sensors, displays, and actuators. The module is fully supported by Espressif’s ESP-IDF framework, Arduino core, and MicroPython, offering a flexible development path for both rapid prototyping and volume production. The 4MB of external flash provides ample space for application code, file systems, and Over-The-Air (OTA) update capabilities.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 2 × 1.8 cm |













