USB to TTL CP2104. 1 x TTGO T-Display 4MB. FLASH QSPI flash 16MB. Modular interface UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、ADC、capacitor touch sensor、DACLNA pre-amplifier. Board With case. Battery 3.7V lithium battery.
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