Tags & Keywords
#TFT-LCD #3.5inch #320x480 #HVGA #IPS #16.7MColors #ResistiveTouch #ST7701S #RGBInterface #LESSON #RoHS
Introduction
This document is the official product specification for the LSR035I04-MP-V1, a 3.5-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring an HVGA resolution of 320(RGB)×480, 16.7 million colors, an IPS panel, an integrated 4-wire Resistive Touch Panel (RTP), and an RGB interface, this module is designed for cost-effective interactive applications where touch can be performed with a stylus or gloved hand, such as industrial controls, legacy device upgrades, and specific medical equipment.
Key Specifications
- Brand & Model: LESSON LSR035I04-MP-V1
- Screen Size: 3.5 inches (diagonal)
- Display Technology: Transmissive a-Si TFT-LCD, IPS
- Module Type: COG+FPC+B/L+RTP
- Display Resolution: 320(RGB) × 480 pixels (HVGA)
- Display Colors: 16.7 Million Colors
- Main LCD Driver IC: ST7701S
- Touch Panel: 4-Wire Resistive Touch (RTP)
- Interface: RGB Interface (Display), Analog (Touch)
- Module Size (W×H×D): 56.80 × 86.30 × 4.00 mm (Typical, includes RTP)
- Active Area (W×H): 48.96 × 73.44 mm
- Touch Active Area (W×H): ~49.0 × ~73.5 mm
- Operating Temperature: -20°C ~ 70°C
- Storage Temperature: -30°C ~ 80°C
- Backlight: White LED
- Power Supply: VCC (2.8V), IOVCC (1.8V)
- Compliance: ROHS
General Description
The LSR035I04-MP-V1 is a cost-effective touch display module. Its core features include:
- Integrated Resistive Touch: The 'R' in the model name indicates a built-in resistive touch panel. This technology is generally lower cost than capacitive and can be operated with any stylus or while wearing gloves.
- IPS Display: Provides the visual benefits of wide viewing angles.
- Established Technology: Resistive touch is a mature, reliable technology suitable for many industrial and commercial applications.
- Interface Simplicity: The touch panel typically provides four analog signals (X+, X-, Y+, Y-) that are easy to read with a microcontroller's ADC.
Key Features
- Glove & Stylus Operation: Compatible with resistive touch input.
- Cost-Effective Touch Solution: Generally lower cost than capacitive equivalents.
- IPS Display Core: Good visual performance.
- Simple Touch Interface: Easy to integrate with most MCUs.
Application Scenarios
- Industrial Control Panels (often used with gloves)
- Legacy Device Modernization
- Medical Devices requiring stylus input
- Low-Cost Kiosks or POS Systems
- Specific Automotive Controls
Conclusion
The LESSON LSR035I04-MP-V1 is a practical and economical 3.5-inch touch display module that combines the benefits of an IPS screen with reliable resistive touch technology. It is a solid choice for applications where cost, glove compatibility, or stylus use are key considerations.
