Fishing is easy to pick up but takes practice to master. The good news is there are smart gadgets you can pick up to take a more scientific approach to it. Take the Probe for instance: it is a smart lure tracker that gives you feedback on depth, water temperature and cast length on your smartphone.
You can use Probe for fishing and trolling. As soon as the probe is on the water, it starts collecting data. You will be able to see a visual journey of your lure on your phone. It combines with your phone to alert you when you have reached the desired depth. The device lasts up to 10 hours on battery. You can find it on Kickstarter.
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