Honestly the first and sometimes last step is to just not be afraid to break things.
If the author had been as afraid as me of reverse biasing the circuit, he might not have gotten started. Try things, and if something breaks there's still something you can learn from that behavior.
If the author had been as afraid as me of reverse biasing the circuit, he might not have gotten started. Try things, and if something breaks there's still something you can learn from that behavior.