OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Purpose of 100 ohm resistors on 74HC595 input pins? › Reply To: Purpose of 100 ohm resistors on 74HC595 input pins?
Makes sense now. Thanks for the info.
So far, I have found this 30VAC, 1A SSR from Panasonic as the best fit.
(1A should be enough for 2 solenoids; my RainBird DV-100 have an in-rush current of 0.3A then stabilize to 0.23A)
But SSR prices explode even for small voltage/current increments. Maybe it’s not yet the time for SSRs…
My other option is using MOC3063 + the same BT1308-600 triacs. More components but way better specs and price than the SSR.