• Espressif ESP32-D0WD 2.4 GHz Wi-Fi coprocessor
    • On-board 4MB flash for ESP32
    • 802.11 b/g/n support
    • 802.11 n (2.4 GHz), up to 150 Mbps
  • Nordic Semiconductor nRF52840 SoC
    • ARM Cortex-M4F 32-bit processor @ 64MHz
    • 1MB flash, 256KB RAM
    • Bluetooth 5: 2 Mbps, 1 Mbps, 500 Kbps, 125 Kbps
    • Supports DSP instructions, HW accelerated Floating Point Unit (FPU) and encryption functions
    • Up to +8 dBm TX power (down to -20 dBm in 4 dB steps)
    • NFC-A tag
  • On-board additional 4MB SPI flash
  • 20 mixed signal GPIO (6 x Analog, 8 x PWM), UART, I2C, SPI
  • Micro USB 2.0 full speed (12 Mbps)
  • Integrated Li-Po charging and battery connector
  • JTAG (SWD) Connector
  • RGB status LED
  • Reset and Mode buttons
  • On-board PCB antenna
  • U.FL connector for external antenna
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