DESCRIPTION
RETIRED PRODUCT – We’ve stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page remains available for its resources and as a source of potential interest.
Bus Pirate v4 is a universal bus interface that talks to electronics from a computer serial terminal. Get to know a chip without writing code. Eliminates a ton of early prototyping effort with new or unknown chips. Version 4 is the next generation Bus Pirate hardware, but it’s not as stable as Bus Pirate v3. If you’re just starting out with the Bus Pirate we still recommend v3 – it’s cheaper, more reliable, and has all the same major features. See a Bus Pirate v4 vs v3 comparison.
Protocols
1-Wire, I2C, SPI, JTAG, asynchronous serial (UART), MIDI, PC keyboard, HD44780 LCDs, and generic 2- and 3-wire libraries for custom protocols.
New in Bus Pirate v4
- 256K program space, 4 times more flash than v3
- Integrated, on-board USB (faster)
- Data storage EEPROM to store settings
- Software pull-up voltage selection: 3.3volt, 5volt, or external supply
- 2 extra I/O pins
- Multipurpose button
- Bus Pirate v4 vs v3 comparison
FEATURES
- USB interface, USB powered
- 5volt tolerant pins
- 0-6volt measurement probe
- 1Hz-40MHz frequency measurement
- 1kHz-4MHz pulse-width modulator, frequency generator
- On-board multi-voltage pull-up resistors
- On-board 3.3volt and 5volt power supplies with software reset
- Macros for common operations
- Bus traffic sniffers (SPI, I2C)
- Transparent USB->serial bridge mode
- 10Hz-1MHz low-speed logic analyzer
- Custom support in AVRDUDE , Flashrom
- AVR STK500 v2 programmer clone
- Scriptable from Perl, Python, etc.
- A bootloader for easy USB firmware updates
- Open source (CC 0/public domain)
RESOURCES
- Bus Pirate manual
- Bus Pirate v4 hardware overview
- Chip demonstrations
- Latest firmware
- Bus Pirate forum