Logically combine three binary sensor entities into one

Let’s say I have multiple binary_sensor entities (ping sensors) like


How would I possibly logically combine these into one sensor entity?
(if sensor a AND sensor b AND sensor c all evaluate to true, set an overall sensor entity to true)

create a helper sensor… easy to do it in the ui like this:

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Since they are all binary sensors, another option is using a Group Helper with the “All Entities” toggle on.

HA Docs: Group

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ah, yes… a group sensor is even more straightforward if you know you want to just ‘and’ them only and always. thanks @Didgeridrew

the template approach gives you more flexibility to do other combinations, pull attributes and be heterogenous… but group is simple!