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Various Displays & Display Backpacks


8x2 Character LCD (Yellow Backlight)

(NB: Backlight connected to Vss/Vdd so always on)

P1000008cs.jpg

P1000011cs.jpg

Adapter needed to match other display connectivity:

P1000047rcs.jpg

0802A_LCD_Adapter02_s.png

P1000046rcs.jpg

Testing with the Funduino I2C LCD Backpack1

P1000031rcs.jpg

P1000033rcs.jpg

P1000037cs.jpg

Testing with the Humble Pi-based LCD & Serial interface2

P1000042rcs.jpg

P1000044rcs.jpg

P1000045rcs.jpg

Testing with the Hobbytronics LCD Backpack V2

P1000049rcs.jpg

P1000050rcs.jpg

8x2 Character LCD (Blue Backlight)

(NB: Backlight connected to Vss/Vdd so always on. Uses the KS0066U controller I.C.)

P1010722rcs.JPG

P1010723rcs.JPG

Eventual testing using this improved 14pin-to-16pin LCD Adapter:

P1030949rrrcs.JPG

P1030950rrrcs.JPG

8x2 Character LCD (Reflective, No Backlight)

P1060199cs.JPG

P1060200cs.JPG

PC0802A_LCD_PinAss.png

P1060203cs.JPG

P1060204cs.JPG

P1060206rrrcs.JPG

P1060205rrcs.JPG

16x2 Character LCD (Blue Backlight)

First sample, purchased c.2014

DSCN1715rcs.jpg

DSCN1716rcs.jpg

DSCN1715rcds.jpg

DSCN1735rcs.jpg

Second sample, purchased December 2016

P1030957rcsg.JPG

P1030958rcsg.JPG

Testing with a Reduced Voltage (~4.4V) I2C LCD Display Interface Board

P1030959rcs.JPG

P1030961rcs.JPG

16x2 Character LCD (Yellow Backlight)

First sample, purchased March 20143

DSCN1738cs.jpg

DSCN1739cs.jpg

DSCN1738cds.jpg

DSCN1799css.jpg

DSCN1865cs.jpg

DSCN1864cs.jpg

Second sample, purchased December 20144

P1000864rcs.JPG

P1000865cs.JPG

Both displays under test with the Dual LCD (8-bit/4-bit) Test Board:

P1000866rcs.JPG
Uninitialised

P1000869rcs.JPG
After initialisation into 8-bit or 4-bit mode

P1000870rcs.JPG

P1000871rcs.JPG

Third sample, purchased December 2016 (uses the SPLC780D controller I.C.)

P1040034rcs.JPG

P1040035cs.JPG

P1040390r2cs.JPG
Uninitialised

P1040393r2cs.JPG
Testing via a reduced voltage I2C interface

16x2 Character LCD (Orange Backlight)

("DIYnik" brand5)

P1050008rcs.JPG

P1050009rcs.JPG

First Quick Test:

Using a "Reduced Voltage" (~4.4V) I2C to 4-bit interface:6

P1050011rcs.JPG

P1050013rcs.JPG

Second Test:

Backpack via "Reduced Voltage" (~4.4V) I2C to 4-bit interface:6

P1050018rcs.JPG
P1050020rcs.JPG

P1050021cs.JPG
P1050022rcs.JPG

16x4 Character LCD (Blue Backlight)

("Waveshare" brand7, uses the KS0066 controller I.C.)

P1040754rcs.JPG

P1040755rcs.JPG

First Quick Tests:

Using a "Reduced Voltage" (~4.4V) I2C to 4-bit interface:6

P1040777rcs.JPG
Uninitialised display

P1040779rcs.JPG
Display failed to initialise correctly8

Using a level-shifted, 5V, I2C to 4-bit interface:9

P1040781cs.JPG
Uninitialised displays

P1040782cs.JPG
P1040783rcs.JPG
Both Displays Initialised Correctly

P1040785rcs.JPG
-WDT test option shows text "wrap-around" at column 17 (cf. 21 for a 2004 display)

20x4 Character LCD (Blue Backlight)

DSCN1842rcs.jpg

DSCN1843rcs.jpg

DSCN1844rcs.jpg

DSCN1846rcs.jpg

DSCN1847rcs.jpg

DSCN1848rcs.jpg

DSCN1860cs.jpg

DSCN1862cs.jpg

DSCN1859cs.jpg

DSCN1861cs.jpg

20x4 Character 3.3V LCD (Yellow Backlight)

P1060104rcs.JPG

P1060105rcs.JPG
NB:Extra components - Bottom Left

LCD Backpack V2

(I2CLCDBPV2, I2C and Serial Rx10)

DSCN1718rcsBC.jpg
DSCN1719rcsBC.jpg

DSCN1721cs.jpg

DSCN1728cs.jpg

DSCN1729cs.jpg

LCD_Backpack_V2_CI.png

An early demo. of a working Blue 16x2 LCD and Backpack is shown here

DSCN1874rcs.jpg

DSCN1875rcs.jpg

./src/lcd_hi2c_demo -WLT -X

DSCN1890cs.jpg

DSCN1891cs.jpg

./src/lcd_hi2c_demo -WDT -W -X 11

DSCN1876rcs.jpg

DSCN1877rcs.jpg

./src/lcd_hi2c_demo -2004 -WLT -X

Further Tests with a new sample on a P3B+:

P1060136rcs.JPG

P1060138rcs.JPG

P1060139rcs.JPG

Funduino I2C LCD Backpack

(LCM1602 IIC I2C12 13)

DSCN1825rcs.jpg

DSCN1826rcs.jpg

DSCN1829cs.jpg

DSCN1830cs.jpg

PC8574T

LCD 1602

P0

RS

P1

RW

P2

E

P3

Backlight14

P4

D4

P5

D5

P6

D6

P7

D7

DSCN1827cs.jpg

DSCN1841cs.jpg
"Negative Logic" LED-based, Interface Test Board

DSCN1838rcs.jpg

DSCN1836cs.jpg

DSCN1839cs.jpg

DSCN1840rcs.jpg

DSCN1867cs.jpg

DSCN1869cs.jpg

Generic (Black) I2C LCD Backpack

(Default I2C address 0x27)13)

PC8574T

LCD 1602

P0

RS

P1

RW

P2

E

P3

Backlight14

P4

D4

P5

D5

P6

D6

P7

D7

DSCN1882cs.jpg

DSCN1883cs.jpg

DSCN1884rcs.jpg

Mjkdz I2C LCD Backpack

(I2C lcd1602 module, fixed I2C address 0x20)13)

PC8574T

LCD 1602

P0

D4

P1

D5

P2

D6

P3

D7

P4

E

P5

RW

P6

RS

P7

Backlight15

P1010039rcs.JPG

P1010043rcs.JPG

P1010044rcs.JPG

P1010045rcs.JPG

P1010046rcs.JPG

P1010055rcs.JPG

P1010056rcs.JPG

P1010059cs.JPG

P1010060rcs.JPG

16x2 Character I2C LCD Display (Blue Backlight)

(T313S06 I2C module16 address 0x27)13)

P1000655rcs.JPG

P1000656cs.JPG

On board PC8574T

Attached LCD 1602

P0

RS

P1

RW

P2

E

P3

Backlight17

P4

D4

P5

D5

P6

D6

P7

D7

P1000657rcs.JPG

P1000658rcs.JPG
P1000660cs.JPG

20x4 Character I2C LCD Display (Yellow Backlight)

(YwRobot I2C module18 address 0x27)13)

P1010446lcs.JPG

P1010447lcs.JPG

On board PC8574T

Attached LCD 2004A

P0

RS

P1

RW

P2

E

P3

Backlight17

P4

D4

P5

D5

P6

D6

P7

D7

P1010448rcs.JPG
Unitialised Display

P1010451rcs.JPG

P1010452rcs.JPG

P1010545rcs.JPG

P1010546rcs.JPG

Generic 128x64 Pixels Graphic LCD (QC12864B/ST7920, Blue Backlight)

(With Serial/Parallel interface19)

P1000500cs.JPG

P1000517rcs.JPG

P1000574rcs.JPG

P1000575rcs.JPG

P1000591cs.JPG

P1000593cs.JPG

P1000609cs.JPG

P1000611rcs.JPG

Generic 128x64 Pixels Graphic LCD (12864ZW/ST7920, Yellow Backlight)

(With Serial/Parallel interface20)

P1010095cs.JPG

P1010096cs.JPG

P1050462rrrcs.JPG

P1050463rrrcs.JPG

P1050465rrrcs.JPG

P1050466rrrcs.JPG

Generic 128x64 Pixels Graphic LCD (12864BV2.0/ST7920, Blue Backlight)

(With Serial/Parallel interface21)

undercon.png

P1050397rcs.JPG

P1050398cs.JPG

Generic 128x64 Pixels Graphic LCD (LCM12864C-1/KS0108B, Yellow Backlight)

undercon.png

P1000890rcs.JPG

P1000892rcs.JPG
P1000892rcss.JPG

GAOHOU 0.96" 128x64 Pixels I2C OLED Display (SSD1306)

P1000726rcs.JPG

P1000727cs.JPG

P1010425rcs.JPG

P1010424cs.JPG

P1010429cs.JPG

P1010430cs.JPG

P1010439rcs.JPG

P1010440cs.JPG

P1010442cs.JPG

P1010443rcs.JPG

Nokia 5110 84x48 Pixels Graphic LCD

NB: Backlight is "Common Cathode".22

DSCN1713cs.jpg

DSCN1713cds.jpg
DSCN1714cs.jpg

P1000946rcs.JPG

P1000947rcs.JPG

P1000948rcs.JPG

P1000945rcs.JPG

Generic, 84x48 Pixels Graphic LCD with White Backlight

NB: Backlight is "Common Anode".23

P1000021rcs.jpg

P1000022rcs.jpg

P1000953rcs.JPG

P1000954rcs.JPG

P1000955rcs.JPG

P1000952rcs.JPG

Generic, 84x48 Pixels Graphic LCD with White Backlight, Version 2

NB: Backlight is "Common Cathode".22

P1000992rcs.JPG

P1000993rcs.JPG

P1000998cs.JPG

P1000999rcs.JPG

P1000001cs.JPG

P1000997cs.JPG

Generic, 84x48 Pixels Graphic LCD with White Backlight (June 2017)

NB: Backlight is "Common Anode".23

P1040752lcs.JPG

P1040753lrcs.JPG

P1050443rcs.JPG

P1050444rcs.JPG

CNBTR SPI 128x128 1.44 inch Red Serial LCD Display Module

NB: Backlight is "Common Anode".23

undercon.png

P1040752rcs.JPG

P1040753rrcs.JPG

SPI 128x160 Pixels Graphic TFT Module

undercon.png

DSCN1832cs.jpg

DSCN1833cs.jpg


  1. 4-bit // interface (1)

  2. 8-bit // interface (2)

  3. http://hobbycomponents.com/index.php/modu/modu-displays/1602-parallel-lcd-module-yellow-backlight.html (3)

  4. http://www.amazon.co.uk/gp/product/B00K67CMY4?psc=1&redirect=true&ref_=oh_aui_detailpage_o09_s00 (4)

  5. https://www.amazon.co.uk/gp/product/B06Y4KJPNR/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 (5)

  6. Cyntech Cobbler for B+/A+ Pi's (6 7 8)

  7. https://www.amazon.co.uk/gp/product/B00KM6YOLS/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1 (9)

  8. Subsequently cured with revised 'E' strobe timings (10)

  9. Adafruit RasPi PermaProto Full #3, I2C to 4-bit or 8-bit Parallel LCD Interface (11)

  10. http://www.hobbytronics.co.uk/lcd/i2clcd-backpack-v2 (12)

  11. Display scrolls left as the characters "Q - Z" and "q - z" are entered, finally returning to the start (13)

  12. Default I2C address 0x27 (14)

  13. 4-bit Data Interface (15 16 17 18 19)

  14. via a transistor & external link (20 21)

  15. via a PNP transistor (22)

  16. T313S06 LCD1602 IIC V1 (23)

  17. via external link (24 25)

  18. YwRobot Arduino LCM1602 IIC V1 (26)

  19. "Hard-wired" in Parallel mode: P1000517csa.JPG (27)

  20. Externally Selectable: P1010096cssa.jpg (28)

  21. Externally Selectable: P1050399rcsa.jpg (29)

  22. Connected to "Gnd" (30 31)

  23. Connected to "Vcc" (32 33 34)


2018-06-16 20:32