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Afritech254
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This is the ESP32-WROOM-32U module, a development board featuring the ESP32 microcontroller, a dual-core processor, and the CP2102 USB-to-UART bridge for easy computer communication. Key specifications include a 240MHz dual-core processor, 520KB SRAM, 448KB ROM, and Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR and BLE) connectivity. It supports a wide range of peripherals like ADC, DAC, SPI, I2C, and UART, and has low-power modes.
Core and memory
• Processor: Dual-core Tensilica LX6 microprocessor
• Clock Speed: Up to 240 MHz
• ROM: 448 KB
• SRAM: 520 KB on-chip
• RTC Memory: 8 KB SRAM
• External Flash: Supports external QSPI flash (up to 4 MB)
• eFuse: 1 Kbit
Wireless and connectivity
• Wi-Fi: 802.11 b/g/n (up to 150 Mbps) on a 2.4 GHz band
• Bluetooth: v4.2 BR/EDR and Bluetooth LE
• USB: CP2102 USB-to-UART bridge for serial communication with a computer
• Antenna: an external U.FL connector is available
Peripherals
• GPIO: Up to 34 pins
• Analog: ADC and DAC channels
• Communication: SPI, I2C, UART
• Other: PWM, I2S, IR, capacitive touch sensor, pulse counter
• CAN: Compatible with ISO11898-1 (CAN 2.0)
Power
• Operating Voltage: 3.0 V to 3.6 V (typical 3.3V)
• Low Power: Designed for multiple low-power modes
• Sleep Current: As low as 5 µA in deep sleep
• Power Supply: Can be powered via the USB port or a VIN pin (with an on-board voltage regulator)
1 ESP32-WROOM-32 Dual-core Module
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