Hi, I built a wireless ultrasonic water tank meter which is working well, I recently added a relay driver to switch on and off a 24v AC solenoid on my sprinkers. This works but every now and then, when turning off crashes the micro (uno)... I have researched and now know I need a snubber or a a tr…

Switch 24v AC Solenoid with relay - What Snubber values?

dudester October 6, 2016, 11:26am 3

Hi,

Relay is this one

Resistance accross the solenoid is 35 ohms.