
IoT & WiFi Modules
SMD Wireless Module ESP32 WROOM 32U 8M 64Mbit Flash Bluetooth WiFi
ESP32-WROOM-32U is a powerful dual-core WiFi and Bluetooth module with 8MB flash, 64Mbit PSRAM, and U.FL connector for external antenna. Ideal for IoT applications requiring reliable wireless connectivity.
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About SMD Wireless Module ESP32 WROOM 32U 8M 64Mbit Flash Bluetooth WiFi
The ESP32-WROOM-32U is a powerful, generic Wi-Fi+BT+BLE MCU module from Espressif Systems. It features a dual-core Xtensa 32-bit LX6 microprocessor running at up to 240MHz, with 8MB of SPI flash memory and 64Mbit of PSRAM. The module includes both WiFi (802.11 b/g/n) and Bluetooth (v4.2 BR/EDR and BLE) capabilities, making it ideal for IoT applications. The 'U' variant includes a U.FL connector for an external antenna, providing better range and signal strength compared to onboard antennas. With its rich set of peripherals including GPIO, UART, SPI, I2C, ADC, and DAC interfaces, this module is perfect for smart home devices, industrial automation, wearable electronics, and other IoT projects requiring reliable wireless connectivity. The module operates at 2.2-3.6V and offers excellent power management features for battery-powered applications.
Technical Specifications
| Based on | ESP32 |
|---|---|
| Operating Voltage | 2.2 ~ 3.6 VDC |
| Microprocessor | Dual-core Xtensa 32-bit LX6 |
| ROM | 448 KB |
| SRAM | 520 KB |
| Flash Memory | 8MB |
| PSRAM | 64Mbit |
| WiFi | 802.11 b/g/n |
| Bluetooth | BLE, v4.2 BR/EDR |
| Interfaces | GPIO, UART, SPI, I2C, ADC/DAC |
| Antenna | U.FL connector for external antenna |
| RTC SRAM | 8KB (SLOW) + 8KB (FAST) |
| EFUSE | 1 Kbit |
Component Datasheet
Download the official datasheet for SMD Wireless Module ESP32 WROOM 32U 8M 64Mbit Flash Bluetooth WiFi
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