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Small square portable monitor with resistive touchscreen and HDMI port

WaveShare

WaveShare 4 inch HDMI LCD IPS 800x480 Resistive Touch portable monitor

SKU CH-6FD8-K3HFM

4-inch IPS display with resistive touch and 800x480 resolution connects via HDMI for Raspberry Pi or general computer use

  • CPU TypeOther
  • 4-inch IPS panel gives wide viewing angles
  • 800x480 hardware resolution delivers sharp visuals
  • Resistive touch enables direct input on Raspberry Pi
  • HDMI interface connects without extra adapters
  • Backlight control reduces power consumption when needed

4-inch IPS touchscreen for Raspberry Pi

This 4-inch portable monitor uses an IPS panel with 800x480 hardware resolution and a resistive touch layer. It connects directly to the HDMI port on compatible Raspberry Pi boards without extra cabling. Drivers are provided for Raspbian, Ubuntu, Kali and Retropie so the display and touch input work immediately. The unit also functions as a basic HDMI monitor for other computers, though touch is unavailable in that mode.

Thermals noise and power draw

The IPS screen runs cool in normal use and has no moving parts, so it adds no audible noise to a build. A backlight-off feature is included to reduce power consumption when the display is not needed. Power is drawn entirely through the HDMI connection, requiring no separate supply for the display itself. This keeps wiring simple for portable or embedded projects.

Upgrade path and fit

The display replaces a composite or lower-resolution screen on Raspberry Pi 4B, 3B+, 3B, 2B, B+, A+ and Zero W boards; Pi 1 Model B and Pi Zero need an HDMI cable. It is not suited for users who need capacitive multi-touch, higher pixel density or a larger viewing area. Builders who require a second independent display output should look elsewhere, as this panel mirrors the single HDMI port.

Highlights

  • 4-inch IPS panel gives wide viewing angles
  • 800x480 hardware resolution delivers sharp visuals
  • Resistive touch enables direct input on Raspberry Pi
  • HDMI interface connects without extra adapters
  • Backlight control reduces power consumption when needed

Specifications

CPU TypeOther

Questions about this item

How do I connect the 4 inch HDMI LCD to my Raspberry Pi without using an extra HDMI cable?

Align the board's HDMI plug directly with the Pi's HDMI port and press it firmly into place; the unit draws power and video through that single connection.

Will the resistive touch layer wear out and need replacement after heavy use?

Resistive screens rely on a flexible top membrane that can lose sensitivity over time; if touch accuracy drops, the entire LCD module must be swapped.

At what point does the backlight become the limiting factor during continuous operation?

The backlight can be disabled to cut power draw, but while it is on it generates the most heat and will dim gradually before any other component fails.

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