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MQTT  MQTT is a machine-to-machine (M2M) data transfer protocol . MQTT was created with the goal of collecting data from many devices and then transporting that data to the IT infrastructure. It is lightweight, and therefore ideal for remote monitoring, especially in M2M connections that require a small code footprint or where network bandwidth is limited.   How MQTT work    MQTT is a publish/subscribe protocol that allows edge-of-network devices to publish to a broker. C ...

Pi Day

Posted by fmilburn Top Member Mar 15, 2019
There are only a few more hours left on Pi Day here in the Pacific NW and I am pecking something out on my tablet as I am away from my computer. I actually use a Raspberry Pi quite a bit for my hobby of tracking ships that go by using AIS but realize I have only made a couple of short posts here on element 14.   I used my winnings from a Project 14 contest to make an AIS ship tracker using a Pi and the official display.   Raspberry Pi with dAISy Hat running OpenCPN on Official 7" Dis ...

Some of my Ras Pi Blogs

Posted by mconners Top Member Mar 14, 2019
I had done some fun Ras Pi Blog posts in the past, here are a few highlights:     Ultra Sonic Distance Sensor Ping))) Me!!!     Photo Sensor Reading a photo sensor with the Raspberry Pi B+     Passive Infrared sensor PIR-fect   X Windows on the Raspberry Pi Taking Advantage of X Windows on Raspberry Pi   Enjoy!   Mike ...

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