panky
 Guru
 Joined: 02/10/2012 Location: AustraliaPosts: 1132 |
| Posted: 05:35am 28 Nov 2022 |
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For absolute minimum pin count, you could use an IR receiver and a spare remote you may have floating around. You could use just left, right and enter or decode in software the number keys into letters (like the old early mobile phones). Doug. |