News for hackers. Stuff that matters.

A comment on Pump up the charge: Getting -5V from a 5V power supply. Parent comment

Re:Pump up the charge: Getting -5V from a 5V power supply by raverbashing on Monday October 11, 2021 @03:34AM (#28825785)
Came here to say exactly that. The MAX232 is a staple of RS232 connections to microcontrollers. +5v/-5v (maybe it goes higher?) with a couple of electrolytic caps and that's it
[ Parent | on HN ]

There are no comments on this comment yet.