21.5 Inch Electromagnetic+Capacitive Touch Screen
21.5 Inch Electromagnetic+Capacitive 2-in-1 touch screen
Product Application
● Education: Schools and universities can use dual touchscreens as interactive whiteboards to enhance classroom learning. Teachers can display presentations, videos and interactive content and students can collaborate on projects.
● Gaming: Dual touchscreens can be used for multiplayer games that require teamwork or competition. Players can interact with the game using both hands and experience a more immersive gaming experience.
Product Advantage
● Accurate and responsive touch: The electromagnetic and capacitive touch technologies ensure accurate and responsive touch controls for precise movements and gestures.
● Increased productivity: Dual touchscreen with a 21.5-inch screen size allows for multitasking, improved workflow, and increased productivity.
Appearance Drawing
The Engineering Drawings are as follows:
Product Specification
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Dual Touch Screen |
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Product Specification |
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Content |
Remarks |
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Principle |
Dual touch screen |
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Overall dimension |
514.2mm (L) * 305.3mm (H) |
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Total thickness |
2.3 (Cover-Lens + Glue + Sensor) |
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AA zone |
476.64mm*268.11mm |
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View area |
478.64mm*270.11mm |
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TP size |
21.5 |
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Interface type |
I²C/USB |
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Operating temperature |
TOPL = -10, TOPH = 60 |
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Storage temperature |
TOPL = -20, TOPH = 70 |
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Sensor thickness |
0.4 |
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Input force |
< 10g |
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Control IC |
HDX8801B + HDX8811 + HDX8821A |
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Capacitor input/output channel |
X: 72 Y: 41 |
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Transmittance |
>88% |
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Support system OS |
WINGDOG/ IOS/ Andriod |
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Electromagnetic Touch Specification |
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Product Specification |
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Project |
Content |
Remarks |
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Principle |
Electromagnetic Resonance |
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Resolution |
4096LPI |
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Coordinate accuracy |
Area A: ±0.5mm Area B: ±0.7mm Area C: ±1.0mm |
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Tilt coordinate accuracy |
±3mm |
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Inductive height |
3to10mm |
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Suspension height |
8 to 15mm |
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Burst rate |
＞266pps |
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Pressure level |
Level 8192 |
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Capacitive Touch |
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Product Specification |
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Project |
Content |
Remarks |
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Principle |
Capacitive touch |
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Resolution |
500dpi |
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Touch point |
10 |
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Coordinate accuracy |
±1.5 mm |
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Single touch speed |
＞90pps |
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Multitouch speed |
＞70pps |
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