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| Brand Name: | Genyu |
| Model Number: | GY12832-123 |
| MOQ: | 5000 pieces |
| Price: | Negotiable |
| Payment Terms: | T/T, Paypal, Western Union, MoneyGram, Paypal |
| Supply Ability: | 400K pcs/ Month |
2.18 Inch COG Graphic LCD Display 128x64 Dots STN Blue 10PIN SPI Interface
Main Characteristics:
Resolution: 128 pixels (width) × 32 pixels (height), providing a total of 4096 pixels. While the resolution isn't very high compared to modern color displays, it's enough for basic graphics, text, and small images.
Monochrome Display: Most 128x32 LCDs are monochrome, meaning they can display only a single color (usually black or white) with varying levels of darkness. This keeps the design simple and inexpensive.
COG Technology: In COG displays, the IC for controlling the display is directly mounted onto the glass substrate, reducing the number of external components required and making the display more compact and affordable.
Features and Advantages:
Low Power Consumption: Graphic LCDs generally consume less power than their color counterparts (e.g., OLED or TFT), which makes them ideal for battery-operated devices or energy-efficient applications.
Simple Interface: Typically, these displays are driven via simple parallel or serial communication protocols like I2C, SPI, or 8-bit parallel, making them easy to interface with microcontrollers.
Compact Size: The 128x32 resolution is ideal for space-constrained applications where only basic graphics or text need to be displayed, and a larger resolution would be unnecessary.
Cost-Effective: Due to their simplicity and low component count (thanks to COG technology), they are relatively inexpensive compared to more advanced display technologies.
Detailed Parameters:
| 1 | Product Name | COG Graphic LCD Display |
| 2 | LCD Type | STN, negative |
| 3 | Polarizer Type | Transmissive |
| 4 | Viewing Angle | 6 O'clock |
| 5 | Resolution |
128x32 dots
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| 6 | Drive Method | 1/33 Duty, 1/6 Bias |
| 7 | Working Voltage | 3.3V |
| 8 | Operating Temperature | -10~+60℃ |
| 9 | Storage Temperature | -20~+70℃ |
| 10 | FPC Connector | 10pin, socket type |
| 11 | FPC Pitch | 1.0 mm |
| 12 | Connector | COG+FPC |
| 13 | Driver IC | ST7567-G4 |
| 14 | Interface | SPI |
| 15 | Backlight Type | 2pcs LEDs, White |
| 16 | Power Consumption | VF=4.0V, IF=30mA |
| 17 | Outline Dimension | 59.9(W)* 26.5(H)* 7.9(T) mm |
| 18 | View Area | 56.14(W)* 15.82(H) mm |
| 19 | Active Area | 53.74(W)* 13.42(H) mm |
| 20 | Dot Size | 0.40(W)* 0.40(H) mm |
| 21 | Dot Pitch | 0.42(W)* 0.42(H) mm |
How to Drive a 128x32 COG LCD Display:
To control and drive a 128x32 COG graphic LCD, you will generally need a controller that interfaces with the display. Many of these LCD modules use a controller like ST7565, KS0108, or UC1608. These controllers convert the data received from the microcontroller (e.g., an Arduino) into signals that can control the pixels on the display.
Basic steps for interfacing:
Connect the Display to the Microcontroller:
Use an I2C or SPI interface (depending on the LCD module) to connect the display to a microcontroller like Arduino or Raspberry Pi.
Install Libraries:
For popular controllers like ST7565 or KS0108, there are pre-written libraries (e.g., Adafruit GFX or U8glib for Arduino) that make it easy to initialize the display, draw basic shapes, and render text.
Control the Display:
Use the controller library functions to clear the screen, draw pixels, create basic shapes, and render text.
For a graphical display, you can create simple icons, lines, or even bitmap images, though due to the resolution, the graphics will be fairly simple.
Power the Display:
Most 128x32 graphic LCDs run on low voltage (e.g., 3.3V or 5V), so make sure your power source is compatible with the module.
Common Applications of a 128x32 COG Graphic LCD Display:
These displays are primarily used in applications that do not require high resolution or color depth but still need to present graphical content or simple text. They are widely used in embedded systems, low-power devices, and industrial applications.
Consumer Electronics: Used in small consumer electronics where space is limited, such as in digital thermometers, alarm clocks, remote controls, and other handheld devices.
Industrial and Automation:
Used in control panels, machine interfaces, and industrial equipment where basic graphics, status updates, or system messages need to be displayed.
Can be used in applications like temperature controllers, inventory management, or process monitoring systems.
Information Display: Used in small kiosks or information systems where the display needs to show simple data or status information, such as in ticket machines, POS systems, or inventory displays.
Gaming: Portable handheld gaming devices or retro gaming consoles can use a 128x32 graphic LCD for displaying basic pixelated graphics or text-based game interfaces.
Test Equipment and Tools: Often used in test equipment, digital meters, or oscilloscopes to display real-time data, settings, or results.
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.
