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Think I know whats wrong with UART/J-Link switch circuit

A project log for Skoobot

Tiny robot for Hacking and EdTech.

bill-weilerBill Weiler 03/18/2018 at 07:350 Comments

I think the comparator is not going to switch without much higher offset voltage. I simulated it in LTSpice (free download, but only has Linear Semiconductor parts in it). The mistake is not fatal, I put in a manual override it case it failed. It's a good example of how it is a royal pain to check every little thing, but it can bite later. 

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