 
|
Back Tinted LCD Window Polyester Smd Diy Membrane Keypad With Adhesive Layer
Product Details:
| Place of Origin: | DongGuan of China |
| Brand Name: | Custom design |
| Certification: | ISO9001,SGS,ROHS,REACH,UL |
| Model Number: | 20250104-05 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 100 pcs |
|---|---|
| Price: | communication |
| Packaging Details: | PE bags first and Foam in Carton and etc |
| Delivery Time: | 4-5 days for Samples making ;10-15 days for Batch goods |
| Payment Terms: | Western Union, T/T,PAYPAL |
| Supply Ability: | 10000 +pcs +a Month |
|
Detail Information |
|||
| Material: | Polyester Or Polycarbonate Or Others | Color: | Pantone, RAL CMYK ,RGB Or Samples |
|---|---|---|---|
| Pitch Of Connect: | 1.0MM ,single-row Crimp Housing | Adhesive: | 3M467 Adheisve Or Others |
| Button Type: | Metal Dome | Circuit Options: | Silver Flex Circuit |
| Highlight: | LCD Window Polyester Membrane Keypad,Back Tinted Membrane Keypad,Smd Diy Membrane Keypad |
||
Product Description
Back Tinted LCD Window Polyester Smd Diy Membrane Keypad With Adhesive Layer
Materials Needed
- Conductive Material: Copper tape, conductive fabric, or conductive paint.
- Non-conductive Material: Plastic sheet or laminate for the keypad layer.
- Adhesive: Double-sided tape or glue.
- Microcontroller: Arduino, Raspberry Pi, or similar microcontroller.
- Wires: For connections.
- Optional: A cutting tool (like scissors or a knife), a ruler, and a marker.
Steps to Create a Membrane Keypad
-
Design Your Keypad Layout:
- Decide how many keys you want (e.g., 3x4 grid).
- Sketch the layout on paper, including sizes and positions.
-
Cut the Non-Conductive Layer:
- Use the plastic sheet to cut out a shape that will serve as the base of your keypad, matching your design.
-
Create Conductive Layers:
- Cut strips of your conductive material (copper tape works well) to fit under each key position. Ensure that they are long enough to connect to your microcontroller.
-
Assemble Layers:
- Place the conductive strips on the non-conductive layer according to your layout.
- Use adhesive to secure them in place.
-
Add a Top Layer:
- Cut another plastic sheet to serve as the top layer. This will be where users press the keys.
- You can print your key labels on adhesive paper and stick them on this layer.
-
Connect the Wires:
- Connect wires from the conductive strips to the appropriate pins on your microcontroller.
- Ensure that each key has a unique connection to detect presses.
-
Programming the Microcontroller:
- Write a simple program to detect key presses. For example, using Arduino, you can read the input from the pins connected to the keys.
- Use a library like
Keypadfor easier implementation.
-
Test Your Keypad:
- Upload the code to your microcontroller.
- Press the keys and check if the corresponding actions are triggered.
Tips
- Debugging: If keys don’t respond, check connections and ensure the conductive paths are intact.
- Durability: Consider laminating your keypad for added protection.
- Customization: You can add more features, such as backlighting or different materials for aesthetics.
Product Descriptions :
| Overlay material ---For front or face overlay | ||||||||
| Polyester | Polycarbonate | |||||||
|
1 Highly versatile for embossing |
1 wide range of the surface finishes and thicknesses |
|||||||
| Embossing --- Graphic overlay or up circuit can be embossed in order to insert metal stainless steel domes for good tactile when press .Leave space for mechanical keys and provide tactile indications | ||||||||
| Pedestal embossing | Rim embossing | Pillow embossing | Dim embossing | |||||
| Windows or LCD --- For display functions | ||||||||
| Printed colors windows such like red ,black and so on | Transparent finishes windows | |||||||
| Keys | ||||||||
| Tactile Keys :witch metal domes or Poly domes ,Metal dome with different diameter and pressure kinds | Non-tactile keys: printed silver spot on the circuit | |||||||
| LEDs ---Miniature LEDs ,LED colors :white ,Green ,Red ,Blue ,Yellow ,Orange and others | ||||||||
| EL and Sensors or inductors --- EL can be light any place where where you like ,and sensors can be used as LEDs | ||||||||
| Cables --- is extension of circuit and communication with your device | ||||||||
| Screen printing conductive silver cable | Copper plated cable /Polyimide or FPC | PCB cable | ||||||
| Types of connector --- 1 Zero insertion force(ZIF) with 0.5MM ,1.0MM,1.25MM pitch ;2 Female connector with 2.54MM pitch; 3 Male connector | ||||||||
| Shielding --- For protection function | ||||||||
| Gasket seal/Waterproof :protect the conductors against from the humidity and splashes | EMI/RFI/ESD Shielding: use an Aluminum foil shielding /clear ITO electrical conductive polyester to protect | |||||||
| Rear Adhesive --- Mostly use the 3M double-side mounting glue brand of USA. Also accepted others such like Lohmann and others | ||||||||
| Back plate --- Use in Aluminum ,Polycarbonate ,Acrylic Or PMMA | ||||||||
| Matching color --- PMS or RAL Is best ,CMYK or RGB also can be ok if you can supply PMS Or RAL | ||||||||
| Standard Tolerances :+/-0.2MM | ||||||||
About Taida.pdf
Common membrane keypad structure choose :
More photo show :
Product Index:
Operating voltage: 35V DC
Operating current: 100mA 1W
Contact resistance: < 100 Ohms
Open circuit resistance: ≥ 10MΩ at 100V
Operating temperature: Flat/Metal dome:-20°c to +80°c
Storage temperature: Flat/Metal dome:-40°cto +80°c
Life expectancy Flat type≥5,000,000 times Tactile type≥1,000,000 times
Switch stroke: 0.1 to 0.6mm
Contact bounce: 5 to 30ms
Actuation force tolerance: +/- 20 to 45g
Tactile ratio: FC > 40%
Operating humidity: up to 95% RH
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
• we will send our artwork for your confirm within 3 days before sample making ,and sample lead time is 4-5 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
6 we can make any shape ,size ,color ,technology such like button ,LED mounted ,sensor mounted ,and so on based on your request
7 Before mass goods ,we will supply the sample for your approved ,before proofing ,we will design the artwork for your confirm first ,both of them are in order to reduce the cost in the mass goods for you