Description:

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.

Specifications:

• 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

Links:

• TTGO -T-Display Github 
• Skematic