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The TTGO T-Display is a development board based on the ESP32 that includes a 1.14 inch color display. So on this small board it has Wifi, Bluetooth, MCU, Display. If you want to start an IoT project, this is a good one to start with.
The OLED display on board is a 135x240 pixels TFT IPS display based on ST7789 driver IC, and connects to ESP32’s SPI interface. On its back side you can connect a li battery as a power supply.
Note that its USB port is USB Type C for programming, the USB to TTL chip is CP2104.
- Display: IPS ST7789V 1.14 Inch
- Flash: 4Mb
- Operating Voltage: 2.7V-4.2V
- Sleep Current: About 350μA
- Power Supply: USB 5V/1A or Li Battery
- Battery JST Connector: 2P 1.25mm
- USB: Type-C
- Dimension: 51.52 x 25.04 x 8.54mm
- Weight: 8.3g