Easy battery powered Mailbox Door IoT sensor using ESP32 5

Easy battery powered Mailbox Door IoT sensor using ESP32
This post is how I took my rusty (literally) old mailbox and made it into a battery powered smart mailbox (an IoT device) , that sends you an SMS  (text messagE) or MQTT alerts, and in the process  how I  learned about Arduino and particularly  the ESP32 chip which lets us relatively easily  setup with minimal ...

Running Mosquitto MQTT on Windows 10 super easy 10

Running Mosquitto MQTT on Windows 10 super easy
So I’ve been playing with IoT lately,  using platforms such as  Arduino , Raspberry Pi and when it comes to being able to have these devices communicate with a hub or server, the de facto standard is to use a MQTT  server and protocol  . Unfortunately, prior to Windows 10  finding a  native Windows  version is ...