Tagged Questions

0
votes
1answer
509 views

Using a breadboard power supply along with USB to Serial chip

This is a very niche question but I'm wondering if there is a general princinal that can be applied to help answer it. Here is my prediciment. I am making an Arduino on a breadboard. For the power ...
4
votes
1answer
354 views

Dual power supply confusing TTL serial?

Sorry for the vague title: I'm a bit of a noob at analogue electronics, more a logic &software guy. Basic problem is I'm sitting at the end of a cable with a USB powered Arduino trying to send ...