Features
USB interface USB powered
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 to serial bridge mode
10Hz-1MHz low-speed logic analyzer
Custom support in AVRDUDE flashrom openOCD
AVR STK500 v2 programmer clone
Scriptable from Perl Python etc.
A bootloader for easy USB firmware updates
Uses DP6037 standard PCB layout
Open source (CC 0/Public Domain)
General Specs
Tolerant pins 5volt
Measurement probe 0-6volt