Seeedstudio Open Workbench Logic Sniffer Capture 50MHz+ waveforms on 32 channels 200Msps captures up to 100MHz waveforms on 16 channels 100Msps captures up to 50MHz waveforms on 32 channels The Open Workbench Logic Sniffer is an open source logic analyzer with a USB interface. The hardware is designed for the SUMP open source logic analyzer client and toolchain. This project is a collaboration between the Gadget Factory and Dangerous Prototypes.