- 10+: $45.00
- 20+: $42.50
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.
Capture 50MHz+ waveforms on 32 channels
200Msps captures up to 100MHz waveforms on 16 channels
100Msps captures up to 50MHz waveforms on 32 channels
16 buffered channels, 5volt tolerant
M74LCX16245DTR2G transceiver tolerates voltages from -0.5V to +7V.
216K Block RAM supports following memory configurations*
8 channels with 24K sample depth
16 channels with 12K sample depth
32 channels with 6K sample depth
External clock and trigger input
Allows interfacing with external test equipment and daisy chaining OLS's for additional channels.
Internal clock and trigger output
16bit wing expansion header
USB interface, USB powered
USB upgradable everything
Designed for the SUMP logic analyzer client
Memory depth is the maximum supported by the hardware, the current firmware implements the following memory depths:
8 channels with 16K sample depth
16 channels with 8K sample depth
32 channels with 4K sample depth
Future firmware upgrades will support the maximum memory configurations.
The cable is not included, please purchase if you need one.
This open source hardware and software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. If you can't accept this risk, please do not buy this hardware.
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What were they thinking ? I am still waiting for a wing board. what were the designers thinking when they thought they would save a few pence on a buffer so the end user has to obtain that, some connectors then assemble it into something sensible that doesn't fall apart ?
Some important signals are only available in the middle of the board.
Sadly useless I had hoped this would work but I can't get it to be useful at all.
The hardware appears OK but the software is worthless.
There are 3 programs that are supposed to work with this:
1) SUMP - supposedly designed for this board. Has not been worked on since 2008. Needs RXTX that is not compatable with x64 systems. Replacements for RXTX not known to work.
2) sigrok's PulseView - frequently gives "generic unspecified error" - anyone who writes code that generates messages like that should give up programming.
3) Open Bench Logic sniffer version 3.08 - ish-works but few decoders. Even then, the sample time is uselessly small.
I strongly caution against buying this unless you can be sure of finding functional software for it.