7. T-Watch PCM5102A

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7.1. Description

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7.2. 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

7.3. Pin details

7.3.1. Display

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

7.3.2. PCM5102A

ESP32 Attribute Description
GPIO25 LCK PCM5102A_LCK
GPIO26 BCK PCM5102A_BCK
GPIO33 DIN PCM5102A_DIN

7.3.3. TF Card

ESP32 Attribute Description
GPIO13 CS TF_CS
GPIO15 MOSI TF_MOSI
GPIO02 MISO TF_MISO
GPIO14 SCLK TF_SCLK

7.4. Demo program