Labrador: Easy-to-Use, Open-Source, All-in-One USB Oscilloscope, Signal Generator, Power Supply, Logic Analyzer, Multimeter for Windows, Mac, Linux, Android, Raspberry Pi

I needed an easy way to monitor the GPIO ports one of my solutions in a way that I could capture it, analyze it, and share it with my team. A bench top oscilloscope with the same set of features was an expense that I just couldn't afford at the moment, so I looked at the hand-held solutions. While there were many that seemed to have many of the features, I liked the quality of the build, the small size and weight for portability, the fact that it's both an open-source hardware and an open source software solution the best! It even works with my Apple MBPro!I picked up a package of probe wires and I was well on my way. Setup and calibration was incredibly simple, and removed all the noise I was worried about. I first tested the ability to generate waveforms to validate and verify functionality. Satisfied, I setup the probes on my Pi GPIO ports that I needed to monitor. The accuracy was perfect! I have already used many of the features that I could only get in a bench oscilloscope. In fact, there are features I haven't even tried yet, like the logic analyzer. I can't wait to print a case to help protect it and take it with me when I travel. Get one. You won't be disappointed!

I've had it for 2 hours and it's already been put to work. Very much a "plug-and-play" device as well. While it doesn't quite have the feature set or resolution of a $400 PicoScope, it comes amazingly close for an order of magnitude less money. The 2 oscilloscope inputs and separate signal generator outputs, plus the ability to generate a custom output waveform really put it over the top for me. Already ordered a few BNC connectors and a small project box so I can take this with me whenever I travel for work... seems like we always need a 'scope when there isn't one around. It's going to be very helpful for troubleshooting assorted instrumentation.The software is also very straightforward to setup and use once you get the hang of the shortcuts. Overall great little product.

The headlines here are the price and size. It’s cheaper and smaller than essentially anything else on the market. The performance specs are modest, but sufficient for many basic hobbyist/enthusiast applications. There’s enough bandwidth and input range to handle audio/sound/music and slow serial data links (UART, i2c, i2s etc).Easily integrates with breadboards which makes it great for prototyping.The software (and hardware!) is open source and cross platform. Another review complained about there being no Linux support, but this is incorrect: there is a Linux AppImage in the same place as the Windows and MacOS binaries. Additionally there is a script for installing on Raspberry Pi and instructions on building from source.Documentation is limited, but sufficient.The host software itself can take a little getting used to, especially if used to more traditional test equipment, but gets the job done and is par for the course for USB test equipment.This isn’t a one size fits all solution, but is great for what it is and at a price that can’t be beat. Those looking for a more polished product with a similar niche but fewer quirks would probably be interested in the Analog Discovery. It’s more powerful with a better ‘out of the box’ experience, but at 10x the price. The Labrador punches above its weight. It’s not a professional tool, but great for the DIY crowd.

I had hoped that I could use an old Android phone as a display for this unit. The app downloaded just fine, but when I powered the system on, The display stated the labrador wanted to perform calibration, and even after following the screen instructions multiple times, I was never able to successfully get it fully up. There was no real support for how to troubleshoot this issue.. unsure if the board had an issue - no way to debug if I had a firmware, software, or hardware issue. Trying to install on a Win 10 PC did not want to work at all - and discovered that the labrador downloaded the app from the first device, making it captive to only the first device! My advice: be careful what platform you pick.. support for this was thin on the ground (this review submitted > 2 years after purchase and setup occurred).

The smallest O-scope I've ever heard of. Yes, it does other functions as well but to get a nicely featured scope in a size not much bigger than a postage stamp, wow. Plus it is powered only by the micro USB port. I have only just begun using it but so far I am quite impressed with it's performance. I put it in a little 99 cent storage bin and made two holes for the micro USB and BNC connector I added for connection to a O-scope probe.(pictures attached) It has an easily removable lid to change the connections for other functions. So far it appears to be an excellent investment.

This is a pretty awesome tool! It doesn't promise to replace a professional lab, but it is certainly a lot more portable and can basically do most things that most people would need in most situations at a significantly reduced cost. As a computer engineering student, I have personally used the Labrador so I could work on assignments away from campus if need be. It has served me well. I have successfully used it on both Linux and Windows. I haven't gotten the phone app to work, but I think it might just be an issue with the OTG on my phone. There's also 3d printed cases out there that work well to keep it protected. Highly recommended!