Key Pad Instrument Membrane Keypad Prototype With 2.54MM Pitch Female Connector

Key Pad Instrument Membrane Keypad Prototype With 2.54MM Pitch Female Connector

1. Design

• Layout: Decide on the number of keys and their arrangement (e.g., 4x4 grid).
• Key Size: Determine the dimensions of each key for usability.
• Labels: Plan what each key will be labeled (e.g., numbers, letters, functions).

2. Materials

• Membrane Layers: Typically, a membrane keypad consists of three layers:
  • Top Layer: Printed with the key graphics.
  • Spacer Layer: Contains holes for key press.
  • Bottom Layer: Conductive traces for electrical connections.
• Adhesive: For attaching layers together.

3. Assembly

• Printing: Print the top layer with your design.
• Cutting: Cut the layers to the desired dimensions.
• Layering: Stack the layers, ensuring proper alignment.
• Sealing: Use adhesive to bond the layers.

4. Testing

• Connect the keypad to a microcontroller (like Arduino) to test functionality.
• Ensure that each keypress is registered correctly.

5. Iteration

• Gather feedback and make adjustments to the design or materials as necessary.

Tools and Equipment

• CAD Software: For designing the keypad layout.
• Printer: For printing the top layer.
• Laser Cutter: For precise cutting of layers.

Membrane Switch specification:

1)Material---for front or face overlay

Polyester

1.Highly versatile for embossing 2.Highly resistant to chemicals

3.Better durability 4.For internal and external use

Polycarbonate

1.Wide range of surface finishes and thicknesses

2.More cost-effective 3.For internal and external use

2) Embossing--rim embossing pillow embossing dim embpssing

Graphic overlays can be embossed in order to insert domes (tactile), leave space for mechanical keys and provide tactile indications Pedestal embossing

3)Windows ----for display function

1. print colors windows

2.transparent finishes windows

4)Keys/buttons

Tactile keys---with metal dome or poly dome

Non-tactile--silver printing spot

5) Embeded LEDs-

miniature LED, LED colors:white, yellow, orange, green, red, etc.

6)Cable

is an extension of the printed circuit and is used to communicate with your device

7)Types of connector

1.Zero insertion force (ZIF) connector; 2.Female connector; 3.male connector

8) EMI / RFI / ESD Shielding

use an aluminum foil shielding / a clear ITO electrical conductive polyester

9) Adhesive ----mostly used are 3M-double-side glue

10)Backplate---in aluminum, polycarbonate or acrylic

How to order:

• Send us the drawing ,spec or photo about your product or fill our quotation information table . Get Latest Quote

• Confirm order details and approved our artwork before sample ,confirm our sample before mass goods and Order PI will be sent

• Arrange the payment, After payment, we will ship send our artwork for your confirm within 3 days before sample ,and sample lead time is 7 business days

As usual .

mass goods :as common ,it is 7-10 business days ,which is based on our produce department schedule and product craft and order quantity

Our Services :

1 Reply your inquiry within 24 working hours

2 Customize design is available ,OEM and ODM are welcome

3 Experienced Staffs answer your all question in professional and fluent English

4 Exclusive and unique solution can be provided to our customers by our well-trained and professional engineers and staffs

5 Good service ,High quality ,test all goods and short lead time supply

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About ShenZhen TaiDa Menbrane switch CO.,LTD

Taida are an OEM professional specializing in designing and manufacturing membrane switch ,graphic overlay and adhesive sticker/labels with with more than 15 years experience in Shenzhen of China which are widely used in industrial,electronics,household appliance,medical equipments.we have more than 500 different customers .and most of our customer come from USA ,EU ,UK ,middle east and other famous country of world wide.Taida can supply different kinds of Membrane switch based on each client's request .

Factory Strength:

Factory Profile

Factory Area: Over 2000 Square meters

Employee :＞ 70

R＆D

Continued quality improvement ,professional Tech support and latest design

From our R＆D department for customers’ demand or samples

Manufacturing

Strong productivity and unified producing process to ensure the fastest delivery time.

QC/QA

20% Employee are QC/QA workers ,quality Guaranteed

Dispatch Department

Power dispatch ability to ensure shipping accuracy and speed

Sales ＆ Customers

Overall ,close and long-term service,No matter in saling and after-sales

Many customers show in our company from worldwide