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  • 240 MHz Dual-Core Tensilica LX7 Microprocessor
  • 512 KB SRAM
  • 384 KB ROM
  • 8 MB Octal SPI PSRAM
  • 4 MB Quad SPI Flash
  • 2.4 GHz Wi-Fi – 802.11b/g/n
  • Bluetooth LE (5 and Mesh)
  • Built-in PCB Antenna
  • Built-in Temperature Sensor
  • Addressable RGB LED (Pin: D9)
  • SD Card (Pins: D16, D17, D18, and D19)
  • General-Purpose Button (Pin: D15)
  • Battery Voltage Sensor (Pin: A8)
  • Li-Po Battery Charging
  • Li-Po Battery Connector
  • USB Type-C Connector
  • I2C Communication Connector
  • 23 x Digital Input/Output Pins
  • 13 x Analog Input Pins (12-bit ADC)
  • 9 x Capacitive Sensing Pins
  • All Digital Input Pins Support PWM, UART, SPI, I2C, TWAI, I2S, LCD, DVP, RMT, SD/SDIO/MMC, Pulse Counters, and External Interrupts
  • 3.3 V Operating Voltage
  • 3.3 V and 5 V Output Voltage
  • 3.3 V – 5.5 V Input Voltage
  • 63.50 mm x 25.4 mm x 15.70 mm
  • 11 g (pins soldered)