T-Watch Introduction¶
Product Categories¶
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| Standard | SIM800L | GPS |
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| MPR121 | Lora+GPS | SX1276 |
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| MP3 | Max98357A | Car |
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| Quick_Car | Heart_Rate | NFC |
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| Game | 2020 | To be continued |
Expansion module¶
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| Button | Buzzer | WS2812_RGB |
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| DHT12_Sensor | Pir | Photoresistance |
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| Relay | Raindrop | Door_Contact |
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| Microphone | Servo | Dou_Function |
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| IR_Send | IR_Rec | Ultraviolet |
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| Potentiometer | Soil_Moisture | Color |
Hardware overview¶
1.Technical Parameters¶
- T-Watch onboard:
- 1.54 inch LCD capacitive touch screen: ST7789V
- Touch screen chip: FT5206
- Three-axis accelerometer: BMA423
- PMU Power Management: AXP202
- RTC clock module: PCF8563
- ESP-32 Master control：
- Processors:
- CPU: Xtensa dual-core 32-bit LX6 microprocessor, operating at 240 MHz
- Ultra low power (ULP) co-processor
- Memory: 520 KiB SRAM
- Wireless connectivity:
- Wi-Fi: 802.11 b/g/n
- Bluetooth: v4.2 BR/EDR and BLE
- Power supply：Type-C USB/Lithium battery
- Operating Voltage：3.3V
- Processors:
Note
ESP32 was created and developed by Lexin Information Technology, a Shanghai-based Chinese company, and manufactured by TSMC using 40-nanometer technology. It is the successor to the ESP8266 microcontroller.
Boot demo video¶
Interface switching video¶
2. Appearance specifications¶
4. Pin definition¶
