Archive for date: March 4, 2017

pinMode v. digitalWrite: what’s with this use (abuse?) of internal pullups?

March 4, 2017 | Amateur Satellite, ESP8266, My Projects | By: Mark VandeWettering

This post is the kind of round about post you get first thing in the morning.   I’ll get to the title question at the end. This morning, I was interested in doing a tiny bit of tinkering. I had found one of these 4 digit 7 segment LED displays while digging around for something […]