| Both sides previous revisionPrevious revisionNext revision | Previous revision |
| electronic:lcd:f4528 [2019/01/30 08:25] – tony | electronic:lcd:f4528 [2026/09/26 08:10] (current) – tony |
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| ^10| | |hi|490ohm| | ^10| | |hi|490ohm| |
| ^11| | |lo|-| | ^11| | |lo|-| |
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| 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. | 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. |
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| ===== Datasheets ===== | ===== Datasheets ===== |
| * {{:electronic:datasheet:promax-johnton:pj31002.pdf|Promax-Johnton PJ31002}} Tone ringer for telephone set. | * {{: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. | * {{:electronic:datasheet:unisonic:mc34018.pdf|Unisonic MC34018}} Voice switched speaker phone circuit. |
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| ===== Examples : ===== | ===== Examples ===== |
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| {{:electronic:lcd:pc093040a.jpg?800|F-4528}} | {{:electronic:lcd:pc093040a.jpg?800|F-4528 front}} |
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| {{:electronic:lcd:pc083037a.jpg?800|F-4528}} | {{:electronic:lcd:pc083037a.jpg?800|F-4528 back}} |
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| {{:electronic:lcd:pc093049a.jpg?400|F-4528}}\\ | {{:electronic:lcd:pc093049a.jpg?300|F-4528 character set}}\\ |
| {{:electronic:lcd:pc093053a.jpg?400|F-4528}}\\ | {{:electronic:lcd:pc093053a.jpg?300|F-4528 character set}}\\ |
| {{:electronic:lcd:pc093055a.jpg?400|F-4528}}\\ | {{:electronic:lcd:pc093055a.jpg?300|F-4528 character set}}\\ |
| {{:electronic:lcd:pc093058a.jpg?400|F-4528}}\\ | {{:electronic:lcd:pc093058a.jpg?300|F-4528 character set}}\\ |
| {{:electronic:lcd:pc093061a.jpg?400|F-4528}}\\ | {{:electronic:lcd:pc093061a.jpg?300|F-4528 character set}}\\ |
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| {{:electronic:lcd:pc093048a.jpg?400|F-4528}} | {{:electronic:lcd:pc093048a.jpg?400|F-4528 examples}} |
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| {{:electronic:lcd:pc083028a.jpg?400|F-4528}} | {{:electronic:lcd:pc083028a.jpg?400|F-4528 examples}} |
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