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3D Printed Wireless Lantern
I had a similar issue of where to put a switch when I was building an LED fireflies-in-a-jar project. I ended up putting a jiggle switch inside; shake the jar to wake up the fireflies
My number one recommendation is to start simple. Break the problem down into a few pieces and solve each one separately then think about how to combine them. You might want to start by reading a voltage using an analog input and writing that to the serial console.Then try the other half of the circuit, try outputting a pulsed signal at a fixed rate.Then put that together with the analog part of the circuit; you should be able to adjust the output voltage by changing the pulse rate.Then start to put those pieces together and control the rate from the analog input. One note: my code is for a more basic chip. It should be a lot easier to program an Arduino to do PWN and to read the input. Look up analogRead and analogWrite.
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