Amateur radio: Fascinating electronics for Android

Amateur radio: Fascinating electronics - Discover the unknown universe of electronics and try to interact with different devices in order to assemble the most popular electrical circuits: a squeaker, a metal detector, a duck quack simulator, a microchip flasher, a detector radio with a low-frequency amplifier, a VHF receiver, an alloy ball jump simulator, acoustic color music. You will definitely need to find out how any of these devices works, how to use them and how to assemble them. You will learn a lot of new, exciting and useful things, because all players will need this knowledge.