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 8

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 ...