Okay, so I have been lazy for quite some time but finally here is a post that is worth the 1 month pause!
Transmitter and Receiver are now working entirely on batteries and WITHOUT A COMMON GROUND!
I won't go into the technical details but there are still many things to perfect before this will work flawlessly. (No, we won't be using those two big racing car batteries to power the op-amp! I just ran out of 9V batteries to test) Nonetheless I think we have gotten over one of our biggest obstacles!
To convince you, Valerie, I've included a photograph and a video of the prototype. You can see that the transmitter is on the right and the receiver is on the left. There's no physical connection between the two circuits. The only contact points are the two electrodes in the middle; when a connection is made between these two points the led on the receiver will light up!
1 comment:
Hej, great. Somehow i have been hoping this to work for such a long time that it is really hard to believe it now. But i do believe it or i want to. Let's morse-code! V
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