Usually I use “remote” sensors in my house/garage so within WiFi range. Then use a Pico-W with WiFi to transmit data back to the Pi. The actual physical sensor(s) (e.g. PIR motion sensor) are connected to the Pico. I use mqtt to send data messages to the Pi.
A Pico-W with temperate/humidity sensor sending data to a Pi over WiFi:
A Pico-W with temperate/humidity sensor sending data to a Pi over WiFi:
Statistics: Posted by neilgl — Sun May 05, 2024 4:09 pm