8×2 Character LCD – Black Bezel (Parallel Interface)
- үнэ: 35,000 төг
Pololu item #: 356
This compact 8×2 LCD is great for small microcontroller projects where you want more than just a blinking LED for feedback. This unit uses the standard HD44780 parallel interface, features a black bezel, and operates without a backlight.
Dimensions
| Size: | 40 x 35 x 7 mm |
|---|---|
| Viewing area: | 30 x 14 mm |
| Dot size: | 0.5 x 0.5 mm |
| Character size: | 2.78 x 4.49 mm |
| Weight: | 12 g |
General specifications
| Minimum logic voltage: | 4.5 V |
|---|---|
| Maximum logic voltage: | 5.5 V |
| Supply current: | 2 mA |
Overview
This little 8-character, 2-line parallel liquid crystal display is a generic equivalent of the Optrex DMC-50448N-AAE-AD LCD. It is incorporated into some versions of our A-Star 32U4 Prime microcontroller boards and our Zumo 32U4 and 3pi robots. It uses the common HD44780 interface, so sample interface code is widely available for a variety of microcontrollers. This is the smallest package we know of for this familiar interface.
You can find sample HD44780 LCD interface code written for a variety of AVR microcontrollers as part of the Pololu AVR library. If you are using an Arduino board, you can get started with Arduino’s LiquidCrystal library.
Pinout
| Pin | Symbol | Function |
|---|---|---|
| 1 | Vss | ground (0 V) |
| 2 | Vdd | 5 V logic supply voltage |
| 3 | Vo | contrast adjustment |
| 4 | RS | H/L register select signal |
| 5 | R/W | H/L read/write signal |
| 6 | E | H/L enable signal |
| 7-14 | DB0 – DB7 | H/L data bus for 4- or 8-bit mode |
Note: This item ships without pins (the pads are standard 0.1″ spacing), connectors, or cables.
