please click like and subscribe, click on my name under the video for all my how to videos,,,,,,,enjoy. ... <看更多>

DHT22 sensor reading issues. ... When I do so the first reading works but all subsequent fail. ... initialise io pin to sensor location. ... <看更多>

Change the div element background according to sensor reading ; src · "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" ... ... <看更多>

Fujitsu Thermostat: Activate sensor reading (two-wire cable). Watch our tutorial and learn how to configure the. Fujitsu AC unit which works ... ... <看更多>

One of those MQ gas sensors ? They are electrochemical sensors. They can be calibrated more or less with a known concentration of a certain ... ... <看更多>