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Touch System

Assembly

Infrared emitter/receiver frame (or projected-capacitive layer) around the glass that reports up to 40 simultaneous touch points. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Touch System parts and their functions

5 top-level parts · 91 parts in total · full bill of materials below
Touch System parts diagram: 1 IR emitter array, 2 IR receiver array, 3 touch digitizer, 4 touch controller PCB, 5 passive stylus pen. 91 parts in 5 top-level items.
Touch System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 IR Emitter Array 1× IR LED array
2 IR Receiver Array 1× Phototransistor array
3 Touch Digitizer 1× P-cap option layer
4 Touch Controller PCB 4 parts 1× Touch controller PCB
5 Passive Stylus Pen 2× Passive pens

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Touch System

5 top-level lines · 9 rows shown · 91 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 IR Emitter Array interactive-whiteboard-ir-emitters 1× 1 · part
2 IR Receiver Array interactive-whiteboard-ir-receivers 1× 1 · part
3 Touch Digitizer touch-digitizer 1× 1 · part
4 Touch Controller PCB 4 parts interactive-whiteboard-touch-ctrl 1× 1 86 assembly
4.1 Bare PCB pcb-bare 1× 1 · part
4.2 Microcontroller mcu 1× 1 · part
4.3 SMD Passive (R/C/L) smd-passives 80× 80 · part
4.4 Connector connector 4× 4 · part
5 Passive Stylus Pen interactive-whiteboard-stylus 2× 2 · part

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Where the touch system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $3–$400. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳BOE
boe.com ↗
Beijing, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Tianma
tianma.com ↗
Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳TCL CSOT
szcsot.com ↗
Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Truly Opto
truly.net ↗
Shanwei, CN Displays & camera modules 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks