ESP32-WROOM-32-N4 Chip 4MB WiFi Bluetooth IoT
Price in Sri Lanka

ESP32-WROOM-32-N4 is a high-performance Wi-Fi + Bluetooth + BLE module based on the ESP32-D0WDQ6 chip, integrating 4MB SPI flash. Designed for reliable connectivity and versatile I/O capabilities, it's ideal for IoT, automation, and embedded tech applications.

Specifications

• MCU: ESP32-D0WDQ6 dual-core Xtensa LX6
• Clock Speed: Up to 240 MHz
• Flash Memory: 4MB SPI flash
• SRAM: 520KB internal
• Connectivity: Wi-Fi 802.11 b/g/n, Bluetooth v4.2 + BLE
• Operating Voltage: 3.0V to 3.6V
• Temperature Range: -40°C to +85°C
• Module Size: 18mm × 25.5mm × 3.1mm
• Mounting Type: Surface Mount (SMD, 38 pins)
• Certifications: FCC, CE, IC, TELEC, RoHS, BQB

Features

• Dual-Mode Wireless: Integrated Wi-Fi + Bluetooth (Classic and BLE)
• High Processing Power: Dual-core CPU with dynamic frequency scaling
• Enhanced Security: AES, RSA, ECC, SHA, secure boot & flash encryption
• Interface Variety: UART, SPI, I2C, I2S, PWM, ADC, DAC, SDIO, CAN (TWAI®), IR, capacitive touch
• Power Efficiency: Deep sleep current < 5>
• Flexible GPIOs: 34 multi-function pins for custom peripheral mapping
• Integrated RTC: Built-in real-time clock for time-based tasks
• OTA Capability: Secure firmware updates over-the-air