I would like to drive a single channel solid state relay capable of handling 120vac @<1amp as directly as possible from a mkr1000.
Small size matters greatly. Switching speed does not matter at all as the switching frequency will be less than 1 hz.
The relay will trigger as many as 3000 times per day and will need to operate for many years so it must be a SSR.
This application will pull a 120vac (low current) control signal to low for 1 second intervals based on the wifi and programmatic responses.
Can the mkr1000 WIFI drive any SSRs? Is there a better option that is the same size as the mkr1000?
There is a 5vcc available however size is very restricted.
Can the mkr1000 WIFI drive any SSRs?
Can your mkr1000 light a LED? That is all it takes for a SSR.
That depends on the LED does it not?
And I do not have one yet, I will not buy my prototype Arduino until I can figure out which components are the best suited.
And which SSR? I need one that is very small and can work with the mkr1000 (or similar).
Even a small Omron G3MB-202P SSR needs the same or a bit more current than a 3.3volt pin can provide.
Common SSR boards (https://www.aliexpress.com/item/4001208508041.html) solve that with a transistor between pin and SSR LED (https://ardubotics.eu/4034-thickbox/sainsmart-4-channel-5v-solid-state-relay-module-boardomron-ssr-avr-dsp-arduino.jpg).
I am having trouble finding any commonly.
Random thought but would a level shifter (https://www.google.com/search?q=level+shifter&source=lnms&tbm=isch&sa=X&ved=2ahUKEwi547XEm_XrAhXiQ98KHX5cDUQQ_AUoAXoECBUQAw&biw=1768&bih=887) be suitable for running an SSR ?
They can be had in very small module sizes maybe enough to glue to the side of an SSR.
Many of the Chinese modules also claim to run from 3 volts too.
How about this SSR instead, if you can live with just 825mA of switching current:
Can the MKR1000 drive 5mA?
Datasheet for the chip would suggest that at least some of the IOs can sink up to 10mA.
@CrossRoads This looks perfect!! THANK YOU!
That is also a great idea, I'll try that too!