I measure 18 pF for all capacitors. Probably it is wrong because all the part are interconnected? I probably read parallel capacitance of the circuit and this is why it is constant?

LUCKY Portable Fish Finder Fish Detector Device Handheld

Extended length: at 79 cm, the sonar fishing flex arm offers more versatile positioning and can be used with an even wider range of vessels with the length. The AA32416 IC (on the right corner) is were I choose to invest time for now: I figure out all the IC pin connection and this is were I need your help to go further.This model has a small handheld device with a rechargeable battery, upgraded sonar & receiver box + battery box with switch to power the receiver. All needed to work with the lake reaper & other bait boats! wide range of depth】- user selectable meter or feet readings.range of depth readout from 0.7 meters up to 100 meters.

Bait Boat GPS Fish Finder Sonar Lucky Smart LBT-1GPS

Display features: the sonar fish finder displays water depth, fish approximate location, fish size (small,middle,big), water temperature, bottom contour and so on. the measurement unit can be freely switched in (m/°c, m/°f, ft/°c, ft/°f)Alluding to my earlier comment about wires and space, the unit has wired and wireless modes to let it adapt to the kind of fishing scenario you have in mind. If you have the force to throw it 147ft far, things will run without any glitch. Sensor features: with led indicator that helps identify when it's charging or working, it has fish attractive lamp, line hole with built-in rechargeable battery Easy to set up, just charge the rechargeable battery in the screen and add batteries to the receiver and power up! inch ips screen visual fish finder]-this fish finder is mainly composed of a 4.3-inch ips screen display host and an ip68 waterproof lens to form an underwater camera system. it is a good helper for those who like to fish and breeders: help you observe underwater terrain , monitoring fish, you can also clearly see whether the fish bites the hook through it, making ... Its 2.8” display is again a stark contrast to the stereotype portable gadget. The cutsie little LCD has three colour tone settings along with adjustments for fish icons and alarms to correspond with chosen fishing type.