TTGO T-PCIE Module ESP32 Chip Support WIFI Nano Card SIM Series Composable Development Board a1smart-watches pcba

  LILYGO® TTGO T-PCIE Module ESP32 Chip Support WIFI Blth Nano Card SIM Series Composable Development Board       Notice: This version is compatible with T-PCIE shield. If you use it for other PCIE driver boards, you need to pay attention to the usage method.   Note：TF card deck is upgraded to self-popping deck   Product Description Hardware Specifications   Chipset ESP32-WROVER-B,AXP192 Power Management Chip FLASH 4MB PSRAM 8MB SRAM 520 kB SRAM Button PWR Power Switch,Reset USB to TTL CP2104 or CH9102F or CH340K On-board clock 40MHz crystal oscillator Peripherals SIM Nano Card Slot,Mini PCIE Card Slot Antenna Onboard antenna(Default) Working voltage 2.7