Differences

This shows you the differences between two versions of the page.

--- electronic:lcd:f4528 [2018/12/11 09:58] – tony
+++ electronic:lcd:f4528 [2026/09/26 08:10] (current) – tony
@@ Line 1: / Line 1: @@
 {{ :electronic:lcd:pc093040a.jpg?200|F-4528}}
-^<html><p style="text-align:center">LCD Description</p></html>||
+^  LCD Description  ||
 ^Model|**F-4528**|
 ^Manufacturer||
@@ Line 17: / Line 17: @@
 ^Pin spacing|"|
-^ ^^^Arduino test rig ((reminder for my personal testing, not useful for anyone else!))||
+CON1
+^  Connector pin-out  ^^^  Arduino test rig  ||
 ^Pin#^IC pin^Label^Pin^colour|
-^1|
+^1| | |lo|-|
-^2|
+^2|lcd| |lo|-|
-^3|
+^3|lcd| |hi|-|
-^4|
+^4| | | |885ohm|
-^5|
+^5| | |lo|-|
-^6|
+^6| |GND|lo|0ohm|
-^7|
+^7|lcd|Vcc?|hi|-|
-^8|
+^8| |1.7mS wave| |360ohm|
-^9|
+^9| |1.7mS wave| |370ohm|
-^10|
+^10|lcd| |hi|-|
-^11|
+^11|lcd| |hi|-|
-^12|
+^12|lcd|reset?|hi|-|
-^13|
-^14|
-^15|
-^16|
-^17|
-^18|
-^19|
-^20|
-\\
-\\
-Has an LCD controller underneath the LCD on the top of the board.  I'm not sure whether this includes other logic too, the LCD board is connector to the keyswitches, so it must be used for at least that function too.  There not be a way to access the LCD logic by external controllers.
+CON2
+^  Connector pin-out  ^^^  Arduino test rig  ||
+^Pin#^IC pin^Label^Pin^colour|
+^1| |Vcc|hi|1.3k|
+^2|lcd| |hi|515ohm|
+^3| |sclk 1.4kHz|lo|100ohm|
+^4| |sda|hi|100ohm|
+^5|lcd| |lo|540ohm|
+^6| | |lo|310ohm|
+^7| | |hi|-|
+^8|lcd| |lo|847ohm|
+^9| | |lo|-|
+^10| | |hi|490ohm|
+^11| | |lo|-|
+Has an LCD controller underneath the LCD on the top of the board.  I'm not sure whether this includes other logic too, the LCD board is connector to the keyswitches, so it must be used for at least that function too.  There may not be a way to access the LCD logic by external controllers.
+\\
 ===== Datasheets =====
   * {{:electronic:datasheet:promax-johnton:pj31002.pdf|Promax-Johnton PJ31002}} Tone ringer for telephone set.
   * {{:electronic:datasheet:unisonic:mc34018.pdf|Unisonic MC34018}} Voice switched speaker phone circuit.
+\\
 ----
-===== Examples : =====
+===== Examples =====
-{{:electronic:lcd:pc093040a.jpg?800|F-4528}}
-{{:electronic:lcd:pc083037a.jpg?800|F-4528}}
-{{:electronic:lcd:pc083028a.jpg?400|F-4528}}
-{{:electronic:lcd:pc093048a.jpg?400|F-4528}}
-{{:electronic:lcd:pc093049a.jpg?400|F-4528}}
-{{:electronic:lcd:pc093053a.jpg?400|F-4528}}
+{{:electronic:lcd:pc093040a.jpg?800|F-4528 front}}
-{{:electronic:lcd:pc093055a.jpg?400|F-4528}}
+{{:electronic:lcd:pc083037a.jpg?800|F-4528 back}}
-{{:electronic:lcd:pc093058a.jpg?400|F-4528}}
+{{:electronic:lcd:pc093049a.jpg?300|F-4528 character set}}\\
+{{:electronic:lcd:pc093053a.jpg?300|F-4528 character set}}\\
+{{:electronic:lcd:pc093055a.jpg?300|F-4528 character set}}\\
+{{:electronic:lcd:pc093058a.jpg?300|F-4528 character set}}\\
+{{:electronic:lcd:pc093061a.jpg?300|F-4528 character set}}\\
-{{:electronic:lcd:pc093061a.jpg?400|F-4528}}
+{{:electronic:lcd:pc093048a.jpg?400|F-4528 examples}}
+{{:electronic:lcd:pc083028a.jpg?400|F-4528 examples}}

My Projects

My Projects

Differences

My Projects

My Projects

User Tools

Site Tools

Differences

Page Tools