I thought I would share some of the projects and prototypes I have been working on during COVID-19 lock down to keep me actively learning and challenged.
Devices
Various flavours of Expressif esp8266 and esp32 for IoT WiFi and Bluetooth projects.… Read more
I have a 9VDC battery powered smoke alarm in my workshop and while you can hear it when it goes off in the workshop, you can’t hear it from upstairs or when nobody is at home. So I decided to retrofit an esp8266-01 to the smoke alarm to make it WiFi enabled so that it notifies me via SMS and email if the alarm goes off.…
Below is a dynamic chart of an IoT temperature sensor that I made to monitor the indoors or outdoors temperature at home. I am using a free Android app called “IoT ThingSpeak Monitor” by Wilice. The app allows you to setup a widget to display the temperature and to set lower and upper limit temperature alarm notification triggers.…