FS1000A and XY-MK-5V – cheap 433MHz radio for Arduino

FS1000A and XY-MK-5V 433MHz Arduino compatible RF modules are quite popular. Mainly because they are cheap and people think they are easy to use. OK, they are quite easy to use, but for a price (which is quite big by the way). Today, let's take a look at this RF transmitter and receiver pair and connect them to signal generator and an oscilloscope and find out!

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