Hi
I want to integrate my “stupid” washing machine in my home assistant by using a switchbot push button. I have solar panels and want to activate the machine when there is enough solar energy. But home assistant needs to know when the machine is full or empty. Is it possible to make a empty device with 2 entities (full and empty) that I can push in my dashboard. If than my machine is full en there is enough solar energy the Switchbot push the start button.
Some ideas?
Greetings
The first thing you have to decide is how you will determine whether your machine is full.
Well, mostly my mom fill the machine, but she can’t turn it on when the sun is high enough. So my plan is to ask her to push a button in the home assistant app. So there will be 2 triggers: the sun and if my mom pushed the button.
Clear enough?
Greeting
Yeah thanks. Got it now.
Create a toggle helper, which (depending what you call it) will be named, say, input_boolean.set_washing_machine_to_go
Put that toggle in lovelace as an entity card, or whichever way you want.
Automate in the normal way.
To bring up another idea: use weight sensors. 
You could use some like the ones in this post: Bed occupancy sensor, using parts you have - #104 by KennethLavrsen
These are very reliable and you can determine the weight of your clothes exactly. I used some of these for a kitchen scale, they are usable up to 200kg, should be enough for a washing machine (around 70kg). You can read these with an ESP32 in combination with ESPHome.
EDIT:
Another idea: use a door/window contact, and let your mother close the door only, when the machine is ready to wash.