Someone please take a look at this circuit, I really really really need to know how these particular frequencies stated under the diagram were calculated through the circuit, please help?!?!? how did he come up with a 1Hz cycle rate, and where did he get the right timer's frequency to alternate between 440Hz and 550Hz, how did he calculate 440Hz and 550Hz?
how do i calculate the frequency of this circuit?
- Thread starter chris121
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