Interfacing:

A 128x64 COG FSTN LCD can interface with microcontrollers through various methods, including parallel or serial (I2C/SPI) communication:

• Parallel Interface: Involves multiple data pins to transfer the information, typically used in older or high-speed applications.

• Serial Interface: A more modern approach where only a few pins (typically 2–4) are used for communication, making wiring easier and reducing complexity. I2C or SPI are commonly used.

Example Wiring (Using I2C for 128x64 COG FSTN LCD):

If the 128x64 COG FSTN LCD uses I2C, you can wire it as follows:

• VCC → 5V (or 3.3V, depending on the display's voltage requirement)

• GND → GND

• SDA → A4 (on Arduino Uno)

• SCL → A5 (on Arduino Uno)

FAQ=Frequently Asked Questions

1. Q: Where is your factory?

A. Our office is in Shenzhen, Guangdong and our factory is located in Jiangxi Province.

2. Q: What is the process for custom samples?

A: Send inquiry -- Offer quotation -- Confirm quotation & Pay tooling charge -- Provide drawing -- Confirm drawing -- Make tooling & samples -- Samples finished -- Delivery via freight or sea collect.

3. Q: Can I get free samples?

A: Yes, 5-10 pcs of free samples will be provided after tooling.

4. Q: How long can I expect to get the samples?

A: Different product types will take different times. 2-5 working days for available models, and 28-30 working days for custom models.

5. Q: What is the minimum order quantity?

A: All our models have MOQ requirements, please get in touch with our salesman for detailed information.

6. Q: Can I get a lower price for LCD?

A: Yes, cheaper price with bigger/larger quantities order.

7. Q: How long is it for mass production?

A: Usually 25-40 days. It depends on different order quantities and part numbers.

8. Q: How do you control the quality of products?

A: All products are 100% inspected before shipment.

9. Q: Can you provide the technical support?

A: Yes, We will provide detailed specifications and initialization code.