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$12 10-pack of buck converters
2020-01-15 - 03:29:51
edited 2020-01-15 - 03:31:27
I just got mine in the mail today! I have yet to try them, but they look promising and go for about $1.03 each when you by them here:
2020-01-15 - 14:23:44
In a previous post I noted that these ubiquitous chinese buck, boost and buck-boost switch-mode converters are invariably adjusted by 10K pots;
The 10K pots can be easily hacked and converted to a digital pot, thereby allowing the switch-mode converter to be adjusted by a microprocessor.
2020-01-15 - 14:47:41
Yeah, I have seen them replaced by usable pots to make a DIY lab bench PSU. That was one of the coolest DIY projects I've ever seen.