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The Comidox CP317 USB Logic Analyzer is a compact, 8-channel digital signal analyzer with a 24MHz sampling rate, compatible with popular software like Saleae Logic Analyzer and PulseView. It supports multiple voltage systems (up to 5.5V) and automatically decodes UART, SPI, and IIC protocols, making it an essential tool for engineers and makers working with Arduino, ARM, and FPGA platforms. Lightweight and portable, it offers professional-grade debugging capabilities at an entry-level price.
| ASIN | B07KW445DJ |
| Best Sellers Rank | #44,624 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Logic Analyzers |
| Brand | Comidox |
| Customer Reviews | 4.3 4.3 out of 5 stars (147) |
| Date First Available | November 26, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.76 ounces |
| Item model number | CP317 |
| Manufacturer | Comidox |
| Number of Processors | 1 |
| Operating System | Linux, Windows |
| Package Dimensions | 5.67 x 3.78 x 0.94 inches |
| RAM | LPDDR4 |
| Series | CP317 |
V**D
Performs exactly as advertised, good value at this price point
Very handy as a quick and highly portable analyzer for field work. Well supported with Pulseview software on Linux, Mac and WIndows (there's also an Android version, but last I checked it was unstable and terrible.) A couple caveats, to be expected in an entry-level device: It will in fact capture data at the advertised rate, but your USB bus is a limiting factor. If USB performance is short of perfect, you will not realize full speed. This analyzer has a decent set of triggering options, and once triggered essentially grabs a buffer of a specified size, at a specified sample rate, and transfers it to the host PC for analysis. The Pulseview software has a GUI and command-line component, and development libraries. A wide variety of decode functions are implemented, for pretty much every common serial bus protocol and some rather uncommon ones. The command-line component makes it easy to write scripted operations for automated capture and test functions, and the dev libraries make it possible to roll your own GUI and analysis functions, add custom protocol decodes, etc. This is a good tool to have in a kit bag, and at this price point it's an excellent intro tool for beginners and also one that more experienced users can connect to strange or dangerous circuits without fear of damaging a very expensive instrument. It'd be a little nicer if the included wire set came with test clips rather than just header sockets, but it's easy enough to buy a better one and connect it.
G**K
works great
These work surprisingly well for the price. Using the PulseView app it was easy to analyze serial, can bus, etc protocols as long as you have the data rate a little higher than the bus bitrate. Bought a second one to keep in my mobile toolbox.
T**T
Works and cost effective, but no documentation
It gets the job done for a really low cost. Useful for debugging slow serial communication. Build quality isn't the best--cheap plastic and the ink on the pinout label smudged off after a month of use, so I recommend 3D printing a copy of the label and glue it on there. Doesn't matter though because this does its job at measuring low frequency signals. There are 2 softwares that I know of that supports this DLA: (1) Saleae Logic Analyzer (2) Pulseview by Sigrok I attached a picture of this DLA working on both software. I recommend installing Saleae Logic Analyzer first because the installer will also install the driver for this DLA. Then you can install Pulseview after that, and pulseview will recognize this knockoff DLA as a Saleae DLA. Saleae Logic Analyzer works right off the bat so it's good to test your DLA connection with that software first. It's just plug and play. I tested it on both AMD and Intel computers and it works on first try. Pulseview is tricky to get working though. It worked on my intel computer, but not on my AMD computer. I had to run Pulseview(safe mode) to get it working on my AMD computer. Anyway, basically to connect your DLA in pulseview, just make sure you have the Saleae driver installed. Then on Pulseview: Connect to device... > Chose the driver: fx2lafw > Choose the interface: USB > [Scan for device using the driver above] > select "Saleae Logic with 8 channels" > [OK] Problems encountered: - Drivers not recognized. Fix1: download Saleae Logic Analyzer first, including their drivers. Download Pulseview afterward. Fix2: plug device to different USB port. don't use USB extender. change USB cable. - Pulseview not launching. Fix: run Pulseview (Safemode) instead of the normal Pulseview - Pulseview/Salea not recognizing device. Fix: update your motherboard drivers and restart computer. Restart computer after installing Pulseview/Salea Logic analyzer.
A**E
Works great on Windows after proper setup -- super value.
So far it's great and you really can't beat the price. I'm using it to debug some ESP8266 work on Windows. Here's what I did to get this up and running on Windows 10: (1) Install PulseView software (it's free). You can find it by googling PulseView and it'll come up under the sigrok domain name in the wiki. Navigate to Downloads, scroll down to Windows, and select the appropriate pulseview nightly build installer. (I used 64 bit.) Then install the software. This also installs the Zadig USB driver installation tool. (2) Plug in the logic analyzer -- it'll probably show up as an unrecognized device. (3) From the Start menu, type Zadig to run the driver installer, select the unrecognized device. Click Edit to change the name to something you recognize like Comidox Logic Analyzer. Be sure WinUSB is selected and click Install. This part can take a few minutes. (4) From the Start menu, type PulseView. At the top, click where it says Demo Device, change the driver to fx2lafw, choose USB, and then Scan for devices. Select Saleae Logic with 8 Channels and click OK. (5) Hook up the wires -- don't forget GND -- and click Run in the software to start capturing.
S**C
Simple 8 channel logic reader.
Used with testing some serial signals (rs232, rs422, and rs485) and ttl, worked fine with the recommend software I saw in other reviews.
A**R
Doesn't work with windows
Not recognized in PulseView (Windows)
A**D
Very good
Working, easy to use , very good price
R**S
Faulty USB Cable
Analyzer works great with Pulse View software on Windows. The included USB cable was faulty so be aware of that possibility. Overall a good product.
T**R
I used it to debug a drone battery. It made decoding the codes SO much easier! Cool little device!
A**8
It works! Sure, you have to download someone else’s software to use it, but it is quite happy with open source tooling. Great for stalking cross system communication. Decode that oddball LCD communication protocol, or use your laptop as a basic oscilloscope.
S**T
Work great. For the cost, it can't be beat as long as you know how to figure it out because it's not shipped with any instructions.
P**S
I’m using this for an online embedded systems course and it works very well. I was able to setup and use the analyzer in a manner of minutes and captured the signals. Emulates a more well known and expensive device.
H**D
so poor quality... it is not working...
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