9 hours ago
Are you powering sensors from 5V or using parasitic power? 3-wire operation is highly recommended.
How long is the whole line?
You can get more reliable readings by adding a capacitor (at least 0.1uF) between +5V and GND as close as possible to each sensor.
How long is the whole line?
You can get more reliable readings by adding a capacitor (at least 0.1uF) between +5V and GND as close as possible to each sensor.