Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| electronic:lcd:1602a [2021/01/18 08:42] – tony | electronic:lcd:1602a [2026/09/26 07:42] (current) – tony | ||
|---|---|---|---|
| Line 10: | Line 10: | ||
| ^Rows|2| | ^Rows|2| | ||
| ^Char matrix|5x8| | ^Char matrix|5x8| | ||
| - | ^Driver IC| | | + | ^Driver IC|Hitachi HD44780 compatible (covered in epoxy)((maybe {{: |
| ^Backlight|white| | ^Backlight|white| | ||
| ^Arduino driver|LiquidCrystal.h| | ^Arduino driver|LiquidCrystal.h| | ||
| Line 22: | Line 22: | ||
| ^1 |Vss |Ground|GND| | ^1 |Vss |Ground|GND| | ||
| ^2 |Vdd |Power supply for logic|+5V ((models with U3 installed operate on 3.3V))| | ^2 |Vdd |Power supply for logic|+5V ((models with U3 installed operate on 3.3V))| | ||
| - | ^3 |Vo |Contrast adjustment|((connect to potentiometer | + | ^3 |Vo |Contrast adjustment|((connect to potentiometer |
| ^4 |RS |Data/ | ^4 |RS |Data/ | ||
| ^5 |R/W |Read/Write select signal|GND| | ^5 |R/W |Read/Write select signal|GND| | ||
| Line 34: | Line 34: | ||
| ^13 |DB6 |Data bus line|6| | ^13 |DB6 |Data bus line|6| | ||
| ^14 |DB7 |Data bus line|7| | ^14 |DB7 |Data bus line|7| | ||
| - | ^15 |A |Power supply for B/L +|4V| | + | ^15 |A |Power supply for B/L +|5V ((has 100Ω series resistor))| |
| ^16 |K |Power supply for B/L -|0v| | ^16 |K |Power supply for B/L -|0v| | ||
| + | |||
| \\ | \\ | ||
| - | \\ | ||
| - | |||
| ---- | ---- | ||
| - | ===== Examples | + | ===== Examples ===== |
| {{: | {{: | ||
electronic/lcd/1602a.1610959334.txt.gz · Last modified: 2021/01/18 08:42 by tony
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