Description
The ESP32-WROOM-32 is a compact yet powerful 38-pin wireless module from Espressif Systems, ideal for a wide range of embedded and IoT applications. This module integrates both Wi-Fi (802.11 b/g/n) and Bluetooth v4.2 (Classic + BLE), making it an excellent choice for smart home automation, wearables, industrial monitoring, and wireless sensor networks.
Powered by a dual-core Xtensa® 32-bit LX6 processor running at up to 240 MHz, the ESP32-WROOM-32 offers high-speed processing, real-time performance, and efficient power consumption. With 520 KB SRAM and 4 MB of external flash, it’s suitable for complex applications that require multitasking, secure communication, and data handling.
With its 38 GPIO pins, developers gain access to a versatile set of peripherals including UART, SPI, I²C, ADC, DAC, PWM, CAN, and capacitive touch sensors—making it an ideal fit for custom hardware projects or rapid prototyping.
This module also offers advanced security features, such as secure boot, flash encryption, and hardware cryptographic acceleration, making it suitable for enterprise-grade IoT solutions.
🔍 Key Features:
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Dual-core Xtensa® LX6 CPU, up to 240 MHz
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38-pin module for broad peripheral access
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Wi-Fi 802.11 b/g/n, supports AP/STA modes
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Bluetooth v4.2, both BR/EDR and BLE
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520 KB SRAM + 4 MB SPI Flash
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12-bit ADC (up to 18 channels), 2 × 8-bit DAC
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3 UARTs, 3 SPIs, 2 I²Cs, PWM, CAN
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Touch Sensors, Hall Sensor, SDIO
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Deep Sleep Current <5 µA for low-power designs
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Security: Secure Boot, Flash Encryption, AES, SHA, RSA, HMAC
⚙️ Form Factor and Compatibility:
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Module Size: ~18 mm × 25.5 mm
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38-Pin surface-mount package, suitable for PCB integration
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Compatible with ESP32 DevKitC Boards and most ESP32 development environments
🔒 Security Features:
The ESP32-WROOM-32 supports Secure Boot V1 and V2, ensuring only trusted firmware can run on the device. It also supports Flash Encryption, safeguarding stored data and application code. These features make it ideal for secure IoT deployments where device integrity is a priority.
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