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Thanks Brian,
You've confirmed what I was thinking. Not heard the term "bit banging" but that sounds like the way to go. The sim card module in the picture is an mp3 player module. The idea is to have a doorbell that doesnt set the dogs off. Each time the doorbell is pushed it plays a different...
My first post so appologies if I've broken any obvious rules :)
I am building a wirless doorbell and was hoping to use the Attiny10 to generate a simple code and send it wireless using a single bit transmitter. Then I'll receive the single bit to another Attiny10 where the simple code is...
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