This economical and portable Sparkfun 8-channel USB Logic Analyzer that can fit in a pocket,
but yet powerful with support for sampling rates of up to 24MHz provides a good option for diagnostic of most communication issues. It will work with both 3.3V and 5V systems and is powered via an included USB-C cable. The Sparkfun logic analyzer includes Female-To-Female jumper wires.
In order to install PulseView and Sigrok that works with the Sparkfun logic analyzer under Linux Operating System (OS) please follow then next steps. First, under the Software Manager search for sigrok and select to install all of the software items illustrated below,
After these software items are installed, make sure to modify the corresponding udev rules as shown below,
sudo bash
cd /etc/udev/rules.d/
wget -O 60-libsigrok.rules "https://sigrok.org/gitweb/?p=libsigrok.git;a=blob_plain;f=contrib/60-libsigrok.rules"
wget -O 61-libsigrok-uaccess.rules "https://sigrok.org/gitweb/?p=libsigrok.git;a=blob_plain;f=contrib/61-libsigrok-uaccess.rules"
p=libsigrok.git;a=blob_plain;f=contrib/61-libsigrok-plugdev.rules"
sudo udevadm control --reload-rules
Once these modifications are performed, the PulseView program can be tested itself in demo mode, before connecting the Sparkfun 8-channel USB Logic Analyzer.
Proceed to connect the Sparkfun 8-channel USB Logic Analyzer to the USB and select the under Device pull down menu → Connect to Device Window → Step 1: Choose the driver (see picture) → Step 2: Choose the interface (USB) → Step 3: Scan for devices → Step 4: Select the device (see picture below)
Press OK and then press Run to confirm the connection to the USB logic analyzer. The PulseView window should look like the one as shown below with no signal activity,
Each of these 8 channels, can be connected to the system under consideration as needed.
The settings of the Sparkfun logic analyzer can be stored for future use. The recorded signals can be saved in different formats in the menu.
The Sparkfun 8-channel USB Logic Analyzer illustrated above is an excellent tool for testing different types of digital communication systems.
The following test leads,
can also be used with theSparkfun 8-channel USB Logic Analyzer to hook the test leads into the systems under consideration.
Have a nice day!
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