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Power for 1.5" display #3

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da6353 opened this issue Jun 29, 2023 · 0 comments
Open

Power for 1.5" display #3

da6353 opened this issue Jun 29, 2023 · 0 comments

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@da6353
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da6353 commented Jun 29, 2023

For 1.5" display, to eliminate charge pump induced-noise, may disable the onboard charge pump (U2), and power pedal from 12vdc source (instead of typical 9vdc), with 12vdc running over to 'Vpp' on display.

Vpp mod
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