4.0 Inch 720x720 IPS Round Touchscreen with HDMI Control Board
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TekGroAml 4 Inch Round LCD Display with Micro H/D Controller Board 720x720 | ...
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| Customer Reviews | — | — | — |
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| Price | — | — | — | — |
| Screen size | 2.1 inch | 2.8 inch | 3.4 inch | 4 inch |
| Video input | mini HDMI | mini HDMI | mini HDMI | micro HDMI |
| Brightness | 300 nits | 330 nits | 330 nits | 300 nits |
| Resolution | 480x480 | 480x480 | 800x800 | 720x720 |
Windows Quick Setup
- Display detection:Connect the module as a secondary monitor and open Windows display settings.
- Resolution reference:Use 720 x 720 for 4-inch models.
- Refresh rate:Set the refresh rate to 60Hz.
- Screen arrangement:Place the round display beside the main monitor to avoid mouse cursor conflicts.
- Custom mode If the native resolution is not detected automatically, create a custom mode at the selected model's native resolution and 60Hz in the graphics control panel.
- Application use:Move the compatible dashboard, monitoring interface, control UI, or simulator panel to the round secondary display after activation.
Single-Board-Computer Setup Notes
- Compatibility note:Suitable for compatible single-board-computer projects that support custom video output.
- Recommended target:Use the selected model's native resolution at 60Hz when supported by the platform.
- Resolution reference:Use 720 x 720 for 4-inch models.
- Setup method :Use platform display settings or a supported custom output method to set the required output mode.
- Reboot note:Reboot the system after saving the display configuration if required by the platform.
- Check items:Display output should be validated first. For touch variants, confirm the host-side touch connection method independently from the video setup before release.
4.0 Inch 720x720 IPS Round Touchscreen with HDMI Control Board
| Screen size | 4 inch |
| Video Input | Micro H/D |
| Power Port | Micro USB Port |
| Dimension | 132.6 x 132.6 x 4(W×H×D)mm |
| Display Area | 101.52x 101.52(W×H)mm |
| Brightness | 300 cd/m² |
| Viewing Angle | 85/85/85/85 |
| Signal Interface | Mipi (1ch, 8-bit) , 31 pins |
| Feature | With Touch Function |
Wide Applications



TekGroAml 2.1 inch 480x480 400 nits Round LCD Display and Mini H/D Board | fo...
|
TekGroAml 2.8 inch Mini IPS PC Case LCD Round Display,480x480 330 nits | Circ...
|
3.4 Inch Round 330nit LCD Display & HDMI Board, 800x800 IPS Circular Screen |...
|
TekGroAml 4 Inch Round LCD Display with Micro H/D Controller Board 720x720 | ...
|
|
|---|---|---|---|---|
| Customer Reviews | — | — | — |
—
|
| Price | — | — | — | — |
| Screen size | 2.1 inch | 2.8 inch | 3.4 inch | 4 inch |
| Video input | mini HDMI | mini HDMI | mini HDMI | micro HDMI |
| Brightness | 300 nits | 330 nits | 330 nits | 300 nits |
| Resolution | 480x480 | 480x480 | 800x800 | 720x720 |
Windows Quick Setup
- Display detection:Connect the module as a secondary monitor and open Windows display settings.
- Resolution reference:Use 720 x 720 for 4-inch models.
- Refresh rate:Set the refresh rate to 60Hz.
- Screen arrangement:Place the round display beside the main monitor to avoid mouse cursor conflicts.
- Custom mode If the native resolution is not detected automatically, create a custom mode at the selected model's native resolution and 60Hz in the graphics control panel.
- Application use:Move the compatible dashboard, monitoring interface, control UI, or simulator panel to the round secondary display after activation.
Single-Board-Computer Setup Notes
- Compatibility note:Suitable for compatible single-board-computer projects that support custom video output.
- Recommended target:Use the selected model's native resolution at 60Hz when supported by the platform.
- Resolution reference:Use 720 x 720 for 4-inch models.
- Setup method :Use platform display settings or a supported custom output method to set the required output mode.
- Reboot note:Reboot the system after saving the display configuration if required by the platform.
- Check items:Display output should be validated first. For touch variants, confirm the host-side touch connection method independently from the video setup before release.







































