1. Main control chip uses ESP32, Tensilica dual core processor, clocked at 240 MHz, computing capacity of up to 600 DMIPS, 520 SRAM, 802.11 KB chip b/g/n HT40 Wi-Fi transceiver, baseband, and LWIP protocol stack, bluetooth (bluetooth dual-mode integrated traditional and BLE low-power bluetooth)
2. Onboard 4 M bytes (32 M bit) , flash, and Wi-Fi antennas
3. 0.96-inch White OLED display
4. Lithium battery charging circuit and interface
5. CP2102 USB to serial chip, perfect support for development