Passive RC low pass filter tutorial!

Passive RC low pass filter tutorial!

In this tutorial I’m going to talk about passive low-pass RC filter circuits. So at a basic level… what are filters? Filters are used to change the frequency content of signals. You can experiment with this in software by playing with the graphical equalizer settings in your MP3 player. Here is a normal unfiltered sound…

Cheap 5V solar panel power test

Cheap 5V solar panel power test

In this video we go to test this cheap Chinese solar panel. Item size is 26 x 14 cm Weight is only 102 g and it’s very thin (about 1 mm) Panel contains voltage regulator which output should be 5V Maximal output current shoud be 1,2 A Let’s test the voltage Open-circuit voltage is 5.06…

How to Make a Solar Charging Bag

How to Make a Solar Charging Bag

How to Make a Solar Charging Bag. Never worry about a dead cell phone again! Charge your portable electronics by harnessing the power of the sun. You will need Solar-powered garden lights A flat-head screwdriver A Phillips-head screwdriver Wire cutters A wire stripper A voltage meter A diode Soldering materials A spare USB cord for…