Microprocessor: ESP-WROOM-32, 32-bit, 240 MHz

• Supply Voltage: 5V
• Pin -30
• 2.4 GHz Wi-Fi
• Bluetooth 4.2
• Flash Memory: 4 MByte (32Mbit) SPI Flash
• ROM: 448 KB
• SRAM: 520 KB
• RTC SRAM: 16 KB
• Antenna: PCB Antenna
• Buttons: Reset and User/Firmware buttons
• Indicators: User LED, Power LED
• USB Interface: USB C Type with CH340C providing a virtual
• Module Assembly: Assembled with ESP-WROOM-32 module