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| electronic:lcd:f4528 [2026/09/26 08:09] – tony | electronic:lcd:f4528 [2026/09/26 08:10] (current) – tony |
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| ===== Additional info ===== | ===== 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. |