Billy cheung
Published © Apache-2.0

3.3V USBasp Modification

Most of USBasps are not able to program at 3.3V. Some say they can switch between 5V and 3.3V, but not signal pins, e.g. MOSI.

IntermediateFull instructions provided1 hour1,495
3.3V USBasp Modification

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Schematics modified

USBasp modified

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Billy cheung

Billy cheung

3 projects • 3 followers

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