Keyboard Matrix / Matrix, 1*4 3*4 4 4*5, 16 Keys, Membrane Switch, Keyboard for Arduino 1X4 3X4 4 4X4 4X5

• Model Number: Keyboard Matrix
• Type: Ultrasonic Sensor
• Place of Origin: Guangdong, China
• Application: Programming Development Board
• Controlle: Stm32
• Input Voltage: 0-25V
• Model NO.: Keyboard matrix
• Digital Io Pins: 14 (of Which 6 Provide PWM Output)
• DC Current Per I/O: 40 Ma
• USB Port: Type B USB
• Clock Speed: 16 MHz
• Operating Voltage: 5V
• Board Weight: 0.04kg
• Transport Package: Plastic Bags
• Specification: 2*2*2 mm
• Trademark: wonderwing
• Origin: Made in China
• HS Code: 8534009000
• Production Capacity: 50000

Product Description

Product Description

Description:

 

 

Packing & Delivery


Company Profile


With being OEM manufacturer specializing in PCB&PCBA with 19-year, nowadays,we have built up our strong product research and development center and we are devoting ourselves to electronics smart product. 
Our core value: Customers first,fast and efficient,continuous innovation,and grow together. Enterprise tenet: Uphold operation principles of integrity,efficiency,good quality,innovation,service Establilsh a good work atmosphere of unit,confraternity provide the high-quality products and service for customers. Enterprise goals: Attention to customer needs,quickly and efficiently provide the high-quality products and service for customers. We treat our customer as "partner relationship"to grow up together.
 

Delivery Time (Normally)

1. Product in stock: 1-3Days.

2. Large quantity: Around 10-15Days

3.Customized product: Depends on the prograss for the project and neogiate when project confirmed

 

FAQ

1. who are we?
We are based in Guangdong, China, start from 2003,sell to North America(30.00%),Western Europe(30.00%),Eastern Europe(13.00%),Eastern Asia(13.00%),South America(8.00%),Southern Europe(6.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
PCB & PCBA

How can I place an order?

A4: (1) Agreement is achieved on the product price and product specifications.

      (2) We make proforma invoice for your confirmation.

      (3) When you agree on the proforma invoice, you make the payment.

      (4) We deliver the goods after we receive your payment.
 

What is your lead time?

A5: Sample: Immediately, normally within 1day after payment received.

      Small order: About 3-5 working days after payment received.

      Bulk order: About 5-7 working days after payment received.
 

Q6. What are your terms of payment?

A6: Wire Transfer(T/T), Western Union,  PayPal, Ali Pay, Transfer in        WeChat, Credit Card, Trade Assurance, etc.

 

Q7. How about the shipping?

A7: Usually, we will deliver the goods via Express like FedEx, DHL, TNT, UPS, China Post and so on. Shipping price will depend on the goods quantity volume and weight.

 

Contact Information: