1. Product Name: 1.77‑inch 240x320 Serial Screen, RS485 Signal Interface LCD Display Module, UART Board, Capacitive Touch Screen
2. Model:
3. Size: 1.8‑inch
4. With Touch Function: Yes
5. Display Mode: IPS
6. Display Colors: 65K
7. Resolution: 240x320
8. Screen Rotation: Supports 90° or 270° rotation
9. Dot Pitch: 0.111(H)*0.111(V)
10. Viewing Angle: Full‑view angle
11. Display Type: Normally‑Black, Full‑Transmissive
12. Overall Screen Dimension: 39.70*52.50*20.27mm
13. Viewable Area (VA): 27.44*36.32mm
14. Active Area (AA): 26.64*35.52mm
15. Driver IC: ST7789V
16. Brightness: 250cd/m²
17. Contrast Ratio: 600∶1
18. Interface Type: RS485
19. Operating Voltage: 5V
20. Backlight Color & Type: White LED Backlight
21. Backlight Circuit: 3 LEDs, 60mA, 3.2±0.3V
22. Service Life: 50000h
23. Operating Temperature: -20℃~+70℃
24. Storage Temperature: -30℃~+80℃
25. Product Certification: RoHS / Reach
26. Quality System Certification: ISO9001, ISO13485, ISO14001, IATF16949

Capacitive Touch Screen Parameters:
1. Working Principle: Projected Capacitive
2. Light Transmittance: ≥85%
3. Haze Value: ≤3%
4. Hardness: ≥6H
5. Simultaneous Touch Points: Single‑point
6. Structure: G+G
7. Driver IC: FT5436
8. Interface: IIC
9. Supported Systems: Linux, Android
10. Product Certification: RoHS / Reach
11. Quality System Certification: ISO9001, ISO13485, ISO14001, IATF16949

UART Board Features:
1. Supported Interfaces: RS232/RS485/TTL
2. Flash Memory Capacity: 16M‑byte
3. Supports Touch Screen Expansion Interface
4. Supports Modbus RTU Industrial Communication Protocol
5. Baud Rate: 115200 bps
6. Supports Speaker Interface
7. Supports RTC Interface
8. Supports Firmware Update via SD Card
9. Supports Power Supply through Type‑C Power Interface
10. Supports 90° or 270° Screen Rotation
11. Supports Serial‑port Board Development Toolkit
12. Driving Voltage: 5V
13. UART Board Overall Dimension: 34.10*46.10mm

Schematic Diagram of UART Serial‑port Board: RS232/RS485/TTL share the same principle