Saleae Logic Analyzer

Features

• 8 Digital/Analog inputs (multi-use)
• Decode SPI, I2C, and 23+ more
• Digital sample rate up to 100 MS/s, Analog sample rate up to 10 MS/s
• 10 Billion+ samples of digital, 500 Million+ samples of analog (uses PC memory, USB 2.0)
• Cross platform - Mac, Windows, & Linux