Differences

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--- electronic:lcd:1602a [2021/01/18 00:14] – tony
+++ electronic:lcd:1602a [2026/09/26 07:42] (current) – tony
@@ Line 2: / Line 2: @@
 ^  LCD Description  ||
 ^Model|**1602A**|
-^Manufacturer||
+^Manufacturer|QAPASS|
-^Recovered from||
+^Recovered from|-|
 ^Board IDs|1602A|
 ^LCD type|negative|
@@ Line 10: / Line 10: @@
 ^Rows|2|
 ^Char matrix|5x8|
-^Driver IC| |
+^Driver IC|Hitachi HD44780 compatible (covered in epoxy)((maybe {{:electronic:datasheet:orise:splc780d1_v1.0.pdf|SPLC780D1-001A}}))|
-^Backlight|-|
+^Backlight|white|
 ^Arduino driver|LiquidCrystal.h|
 ^Connector|pin header|
 ^Num Pins|16|
 ^Pin spacing|0.1"|
-^Module size|mm|
+^Module size|80mm x 36mm|
 ^  Connector pin-out  ||^  Arduino test rig |
 ^Pin#^Label^Description ^Pin|
 ^1 |Vss |Ground|GND|
-^2 |Vdd |Power supply for logic|+5V|
+^2 |Vdd |Power supply for logic|+5V ((models with U3 installed operate on 3.3V))|
-^3 |Vo |Contrast adjustment|((connect to potentiometer between Vcc and GND))|
+^3 |Vo |Contrast adjustment|((connect to potentiometer to GND))|
 ^4 |RS |Data/Instruction select signal|8|
 ^5 |R/W |Read/Write select signal|GND|
@@ Line 34: / Line 34: @@
 ^13 |DB6 |Data bus line|6|
 ^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|
 \\
-\\
 ----
-===== Examples : =====
+===== Examples =====
 {{:electronic:lcd:p1184498a.jpg?800|1602A front}}\\

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