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Newly-released 20 characters x 4 lines LCD module based on the HD44780 controller. Characters are displayed in blue with a white backlight.
Module Specifications
| Product Number | DY-MOD-2004-BW |
| Product Name | 20×04 – Blue Characters – White Backlight |
| Display Content | 20 characters x 4 rows |
| Character Size | 8 x 5 |
| Character Color | Blue |
| Backlight Color | White |
| Duty Ratio | 1/16 |
| Backlight Current | IF = 5.8 mA(VLED=3.63V) |
| Weight | 0.2 lbs |
Electrical Parameters
| Parameter | Symbol | Testing Criteria | Standard Values | Unit | ||
| Min. | Typ. | Max | ||||
| Supply voltage | VDD-VSS | - | 4.5 | 5.0 | 5.5 | V |
| Input high voltage | VIH | - | 2.2 | - | VDD | V |
| Input low voltage | VIL | - | -0.3 | - | 0.6 | V |
| Output high voltage | VOH | -IOH=02mA | 2.4 | - | - | V |
| Output low voltage | VOL | IOL=1.2mA | - | - | 0.4 | V |
| Operating current | IDD | VDD=5.0V | - | 2.0 | 5.0 | mA |
Sample Application Implementation and LCD module pinout
| Pinout: | |||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| VSS | VCC | VEE | RS | R/W | E | DB0 | DB1 | DB2 | DB3 | DB4 | DB5 | DB6 | DB7 | LED+ | LED- |
HD44780 Controller Datasheet (for reference only). For latest version, refer to vendor website.
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