Display Size:
- Diagonal Size: 0.91 inches.
- Resolution: 128x32 pixels, is most common for smaller displays.
OLED Type: Monochrome: Most 0.91-inch OLED displays are monochrome (usually white, blue, or yellow), meaning they display one color against a black background
Interface:
- I2C: Most 0.91-inch OLED modules use the I2C interface for communication, which requires only two data lines (SDA for data and SCL for the clock). I2C is convenient for simpler wiring and slower communication speeds.
- SPI: Some 0.91-inch OLED modules may also support SPI (Serial Peripheral Interface), which allows for faster data transfer but requires additional wiring.
Driver IC: SSD1306: This is one of the most popular OLED controllers, widely used in 0.91-inch modules
Power Supply: OLED displays are relatively low-power compared to traditional LCDs because they don’t require a backlight—each pixel emits its light. However, they still need a supply of 3.3V or 5V (depending on the model) to operate.
PCB Mounting: Rigid PCB: Others come with a rigid PCB, which is more common in embedded or stationary applications like handheld devices, sensors, and gadgets.

Detailed Specifications:

1	Brand Name	Genyu
2	Model Number	GY091BD01W
3	Display Mode	OLED(Organic Light Emitting Diode)
4	Color	White
5	Size	0.91 inch
6	Dot Matrix	128*32 Pixels
7	Module Size	38.0(W)12.5(H)11.9(T) mm
8	View Area	24.384(W)*7.584(H) mm
9	Active Area	22.384(W)*5.584(H) mm
10	Dot Size	0.159(W)*0.159(H) mm
11	Dot Pitch	0.175(W)*0.175(H) mm
12	Drive IC	SSD1306BZ
13	Connector	COG+FPC
14	Interface	SPI
15	Operating Temperature	-40~+85℃
16	RoHS Compliant	Yes

OLED Screens ( 0.42 inch~3.12 inch ):

We mainly develop small-middle sizes OLED displays, including 0.42", 0.49", 0.66", 0.78", 0.87", 0.91", 0.96", 1.12", 1.21", 1.3", 1.5", 1.54", 1.92", 2.08", 2.23", 2.42", 2.7", and 3.12", etc.

Based on your demands, we can customize the FPC, Interface, Touch Panel, and PCB board.

Please let me know your requirements, we will suggest some models for your optional...

How to Use a 0.91-inch OLED PCB with Arduino:

To connect and use a 0.91-inch OLED display with an Arduino (or other microcontroller), follow these basic steps:

1. Wiring the Display:

I2C Interface (Most Common):
- VCC to 3.3V or 5V pin on the Arduino (depending on the display specs).
- GND to the ground (GND) pin on the Arduino.
- SCL to the SCL pin on the Arduino.
- SDA to the SDA pin on the Arduino.
SPI Interface (if applicable):
- VCC to 3.3V or 5V pin on the Arduino.
- GND to the GND pin.
- SCK (Serial Clock) to SCK pin on the Arduino.
- MOSI (Master Out Slave In) to MOSI pin on the Arduino.
- CS (Chip Select) to any digital pin on the Arduino (e.g., pin 10).

FAQ

1. Q: What products can you provide?

A. 1) Custom Segment LCD Display;

2) Monochrome Graphic/Dot Matrix LCD Display Modules;

3) Micro OLED Display Modules;

4) Color TFT LCD Display Panels;

5) LED Backlights.

2. Q: Where is your factory?

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

3. Q: Will you offer a free sample?

A: For the first cooperation, samples will be charged, and the amount will be returned at the mass order stage.

4. Q: What is the delivery time?

A: For small orders: 7-15 days. For mass production: 25-30 days.

5. Q: Can I get a lower price for OLED displays?

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

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

A: All products are 100% inspected before shipment.

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