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LCD Description
Model	NG-87243-001
Manufacturer	Samsung?
Recovered from	Nec DTR-16D-1A
Board IDs	NG-87243-001, ~~NG-84458-001~~
Alt. board IDs	A50-002005-003, MBCF24302Z04. A50-002005-002, MBC24302Z02 ¹⁾
LCD type	positive
Polarizer type	reflective
Columns	24
Rows	3
Char matrix	5×8
Driver IC	Hitachi HD44780 compatible (covered in epoxy)
Backlight	-
Arduino driver	LiquidCrystal.h
Connector	PCB flex
Num Pins	16
Pin spacing	0.05“
Module size	mm

	Measured				Connector pin-out		Arduino test rig
Pin#	Main board	LCD board	LCD on	LCD off	IC pin	Label	Pin	colour
1		Green LED K	1.7V	0.0V
2		LED A common	0.8V	0.0V
3		Red LED K	1.9V	0.0V
4			2.9V	0.1V		RS
5			0.4V	0.1V		E
6		164k	0.7V	0.1V		D0
7		1.4M	0.6V	0.2V		D1
8			0.6V	3.3V		D2
9			0.3V	3.3V		D3
10	3.45k	120k	3.3V	3.3V		Vcc
11	GND	GND	0.0V	0.0V		GND
12		100k	1.9V	1.7V		Contrast?
13	NC	120k	3.3V	3.3V		Vcc
14	NC		0.0V	0.0V
15	GND	GND	0.0V	0.0V
16	NC		0.0V	0.0V

Datasheets

—-

Examples :

¹⁾

in a DTR-8D-1A

²⁾

this file has an extra data glitch in it that fools sigrok into getting the nibbles aligned so the 2 nibble codes are easier to decode with the 'parallel' filter

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