The Bus Pirate is an open source hacker multi-tool that talks to electronic stuff. It’s got a bunch of features an intrepid hacker might need to prototype their next project.
- $30, including world wide shipping.
Connect a few wires an start talking to 1-Wire, I2C, SPI, serial, JTAG, MIDI, PC Keyboards, etc. through a simple command line interface. Even program many AVR and PIC microcontrollers, debug ARM chip, program CPLDs, and flash serial ROMs.
Tools you need
Frequency measurement, frequency generation, servo drivers, logic analyzer, voltage measurement, and more. Tools you need to get your project done.
Lots of extras
Many protocols need pullup resistors, the Bus Pirate has them on-board. Want to control your project from a computer? Try the scripting mode.