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Bus Pirate 5 Hardware Docs

Bus Pirate 5 is the latest edition of the original universal serial interface trusted by hackers since 2008. Talking to chips and probing interfaces is more fun than ever!


  • Based on Raspberry Pi Foundation RP2040
  • 128Mbit flash storage for lots of features
  • Firmware developed with the Pico C language SDK

8 Buffered IO pins

  • 1.65-5volt operating range, 3 state
  • Voltage measurement on every pin
  • Toggleable 10K pull-up resistors
  • 10 pin x 2.54mm main header
  • 9 pin x 1.0mm auxiliary header

Programmable Power Supply Unit

  • Current Sense
  • Programmable 1-5.0volt output
  • Programmable 0-500mA current limit
  • Resettable digital fuse
  • Protection circuit

TF flash card

  • Save global and mode settings
  • Appears as a USB disk drive
  • Future use for logs, dumps and stand-alone programming


  • 320 x 240 pixel IPS all direction display
  • Pin labels
  • Live voltage measurements
  • Live current consumption


  • Introduction demo
  • Party mode

Just one button

  • Escape from modes
  • User input for production programming, remote hacking, whatever

VT100 terminal interface

  • Color interface
  • Live update toolbar/monitor

USB bootloader

  • Updating is as simple as dragging a file onto the disk

USB C connector

  • ...but limited to the USB speeds supported by the RP2040


Bus Pirate 5 documentation is broken into hardware and firmware sections so it can be versioned easily with each update. Here's some other fun stuff you might enjoy.

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FCC compliance statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.