Understanding the NXP i.MX6UL Pin Mux

Posted by Cliff Brake on 2017-09-14 | Read the First Comment

(note, the article is also applicable to the i.MX6ULL as these processors are very similar) The NXP i.MX6UL application processor has a very flexible pin multiplexer, that is somewhat difficult to understand at first glance.  Most times when we’re configuring the pin mux in Linux, we modify Device Tree files, so perhaps that is the […]

IOT Protocols: MQTT vs CoAP vs HTTP

Posted by Cliff Brake on 2015-12-11 | Comments are off for this article

With the explosion of IOT (Internet of things), there are now more technologies we can use to build systems.  In reality, we’ve been doing IOT for years.  We’ve been networking devices for a long time.  We’ve been collecting data from remote nodes.  This is nothing new, but what the IOT movement brings to the table […]