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 smart mailbox (an IoT device) , that sends you an SMS  (text messagE) or MQTT alert, and in the process  how I  learned about Arduino and particularly  the ESP32 chip which lets us relatively easily  setup with minimal costs and complexity ...

Running Mosquitto MQTT on Windows 10 super easy 6

Running Mosquitto MQTT on Windows 10 super easy
So I’ve been playing with all things Arduino , Raspberry Pi and IoT lately, when it comes to be able to easily link all these devices, the de facto standard is to use a MQTT  server and protocol  . Finding a  native Windows 10 version is complicated. In this post I’ll describe the super-easy steps to ...