Kinseal ASTG043W023‑L480X272X COF 4.3″ TFT LCD Display Module

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Intro Summary
4.3″ COF TFT LCD with 480×272, ARM Cortex‑M4F CPU, CAN/UART, USB, optional resistive touch—ideal for embedded HMI.

Product Overview
The ASTG043W023-L480X272X-COF from Kinseal is a 4.3″ COF‑based TFT LCD module featuring a Sharp WQVGA panel (480×272). It integrates an ARM Cortex-M4F microcontroller for on-board HMI logic, supporting CAN and UART communications, plus USB for configuration. Offered with embedded resistive touch and COF packaging for compact OEM solutions. Designed to be programmed using Kinseal’s HMILite software—download via USB and deploy embedded UI quickly.

How to Use

  1. Mount the COF display on chassis or bracket.
  2. Supply 3.3 V (COF) for screen and 24 V (optionally) for backlight.
  3. Connect USB to your PC to load HMI screens via HMILite.
  4. Wire CAN or UART for device control.
  5. If using resistive touch, calibrate through software.
    Tips: use shielded cables for CAN in industrial environments, and add 10 µF decoupling capacitor near power pins.

Frequently Asked Questions (FAQ)

  1. What does COF mean?
    – Chip-on-Film packaging makes the display slimmer, integrating logic directly.
  2. Is the ARM Cortex-M4F built-in?
    – Yes, CPU handles UI via HMILite.
  3. Touchscreen type?
    – Comes in resistive, but supports external capacitive touch.
  4. How do I program it?
    – Use HMILite on USB; download UI like typical HMI deployment.
  5. What interfaces are included?
    – UART (RS‑232), CAN bus, and USB.
  6. Power requirements?
    – COF logic runs on 3.3 V. LED backlight usually needs 5–24 V depending on variant.
  7. Operating temp range?
    – Typically –10 to 60 °C; check Kinseal datasheet.
  8. Can I use it with STM32?
    – Yes, via UART or CAN interfaces; ARM M4F is independent from host.
  9. Is there a library?
    – HMILite includes touch calibration and CAN scripting.
  10. What’s the difference between resistive and capacitive versions?
    – Resistive is included and suitable for stylus; capacitive requires adding a panel.

User Review Summary
Feedback from similar units (Kinseal ASTG/LCD modules) highlights crisp display, stable connectivity and ease of HMILite programming. Users note some limitations in English documentation. Overall praise for compact design and reliable communication channels.

Comparison with Competing Products
• 4.3″ DWIN COF displays: offer similar resolution and UART support but lack ARM CPU and built‑in CAN capability.
• CrowPanel ESP32 HMI – 4.3″ with integrated ESP32, LVGL support and Wi‑Fi/Bluetooth. Great for IoT, but larger module and higher cost (~$30).

Technical Specifications
Display: 4.3″ TFT LCD, 480×272‑pixel, 65K colors
Packaging: COF, logic runs on 3.3 V
Processor: ARM Cortex‑M4F (on‑module)
Backlight power: external 5–24 V DC
Touchscreen: built‑in resistive; supports external capacitive
Communication: USB, CAN, UART (RS‑232)
Dimensions: ~132×80 mm module (with bezel)
Operating Temp: –10 °C to 60 °C; storage –20 °C to 70 °C
Luminosity/contrast: typical TFT specs

Brand Info
Kinseal (Shenzhen) specializes in COF TFT modules and HMI controllers. Their ASTG line focuses on embedded interfaces combining display and microcontroller in OEM‑friendly packaging.

Purchase Recommendations
• Kinseal：https://www.kinseal.store/astg043w023-l480x272x-cof/

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