Good point, even a motorcycle battery could probably give 100A.
A fuse or a LM2940-12 or a LM7812 or a 1n400x diode or a 2A polyswitch would offer protection from such currents.
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On Wed, Jul 19, 2017 at 06:47 am, Raj vu2zap wrote:
When first testing BITX40 stay away from a lead acid battery because it can source a
huge current and any goof will result in massive smoke.