9. T-Watch Car

../../_images/car11.png

9.1. Description

The T-Watch Car is an ESP32-based programmable watch kit consisting of a Core PCB and Car backplane. You can even program the T-Watch Car with Arduino, ESP-IDF or MicroPython.

../../_images/model41.jpg

9.2. Feature

  • Main chip: ESP32, dual core MCU (integrated dual mode Bluetooth/wifi), PMU power management
  • Display: 1.54 inch LCD capacitive touch screen
  • Sensor: BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition, etc.
  • Combination kit: lithium battery, design open mold, and thick strap, and black and white
  • Development platform: ESP-IDF (native SDK), Arduino, Lua, MicroPython, Scratch
  • Support for expandable module use

9.3. Pin details

9.3.1. Display

ESP32 Attribute Description
GPIO05 CS TFT_CS
GPIO18 SCLK TFT_SCLK
GPIO19 MOSI TFT_MOSI
GPIO27 DC TFT_DC
GPIO12 BL TFT_BL

9.3.2. Car

ESP32 Attribute Description
GPIO25 1-wire ServoA_wheel
GPIO26 1-wire ServoB_wheel
GPIO13 1-wire ServoC_shovel

9.4. Demo program