This subject in the theory looks very easy. Just get NodeMcu board, plug sensor from the family of sensors (HY-SRF05, HC-SR04), some kind of voltage sensor and we are good to go. But you can get couple of unexpected issues here. Let’s start from the NodeMcu unit. It’s specific. Weird NodeMcu PIN arrangement First thing […]
I needed key-less way to open my garage door. Quite often I forgot my remote, so just need something easy to open them without remote. Because I have regular “ring type” opener (click and release to open door) needed something to “click” door for me based on something which I remember (not own – remote […]
Got bunch of these little f*ckers and couldn’t make them to work with my Mojave fresh install. Previously they were working, and now they are gone. I wasn’t sure what exactly I’ve got. I just run Serial Detect to identify what model do I own: Then I googled driver for MacOS Mojave. Because original website: […]
I had opportunity to give a talk small talk about my work with Arduino on Commerce Factory – Nov 2014. Slides are available here: https://www.slideshare.net/secret/CGWCqWIMz5aj43 You can check video here
In this quick tutorial will show how to “talk” quickly to Serial port on Mac OS X. Mac OS X will automatically create a serial device, which can be found in /dev. Start a terminal session and list all available serial (or tty) devices available.