Mixed voltage interfacing with the Bus Pirate

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Revision as of 14:06, 20 August 2010

This will be an updated guide to using the Bus Pirate pull-up resistors to interface stuff at different voltages.

Contents

About

The Bus Pirate's on-board pull-up resistors can be used to interface electronics above and below the Bus Pirate's 3.3volt supply.

Read how the pull-up resistors on the Bus Pirate work.

Read our guide to pull-up resistors and high impedance pins.

Examples

Here's some examples of how to interface different voltages using the Bus Pirate.

3.3volts

5.0volts

2.5volts