In the past few years, we have covered plenty of smart fishing robots, cams, and finders that can help you locate and catch fish like a pro. The Cyberfishing Smart Fishing Rod Sensor is also worth a look. It is a lightweight sensor that records data as you fish and makes it available on your smartphone.
Thanks to this sensor, you will be able to record cast count, hotspots, weather conditions, and a whole lot more. It has a waterproof design. Costs under $80 at this time.[where to get it]