Engine Monitor

An MQTT GPS module, what good could that be in a home automation system? The home isn't moving, of course. GPS tells us where something ...

I have given up on building a standalone engine monitor. Several reasons, but the biggest, I can buy basically the basis for $200. Once I st...

I was looking at laying out a prototype board, something better than the proto board I am using now. I really like the MAX6675 for the ther...

I finally did it. I have an ESP32 talking to a thermocouple connected to a Lycoming O-360! I am using bayonet K type thermocouples, on the...

I've had several posts about using NodeRed for home automation, communicating with various nodes over MQTT . Could I do the same in the ...

I guess it is that time of year, people are building Eggbots. I built one, and needed to learn a bunch. Some of the information was vague, o...

Big news this week , Apple, Google, Zigbee Alliance, Amazon, Samsung, Ikea, and every other company in the world are getting together and ...