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| Part Number: | NHD-0420CW-AY3 | 
| Category: | Optoelectronics | 
| Subcategory: | Display Modules - LCD, OLED Character and Numeric | 
| Manufacturer: | Newhaven Display Intl | 
| Packaging: | Bulk | 
| Product Status: | Active | 
| Number of Characters: | 80 | 
| Display Format: | 20 x 4 | 
| Character Format: | 5 x 8 Dots | 
| Display Type: | OLED | 
| Display Mode: | Passive | 
| Character Size: | 4.77mm H x 2.97mm W | 
| Outline L x W x H: | 92.00mm x 31.50mm x 2.50mm | 
| Viewing Area: | 72.42mm L x 22.82mm W | 
| Backlight: | - | 
| Voltage - Supply: | 2.4V ~ 5.5V | 
| Dot Size: | 0.57mm W x 0.57mm H | 
| Interface: | Parallel, 8-Bit, I²C, SPI | 
| Controller Type: | US2066 | 
| Operating Temperature: | -40°C ~ 85°C | 
| Text Color: | Yellow | 
| Background Color: | Black |