On 21.10.18 10:20, Martin Patzak wrote: > Do you meen a switch like e.g. a DS2408? > > How do I issue an ON command with timeout?
There is no off-the-shelf 1wire component that does this. You'll either have to implement it yourself using AVR or STM32 slave code, or use external components that require a regular "on" pulse (should be a no-brainer with a '555), or (my preferred solution these days) a 2-wire bus protocol like I²C that has hardware support in your controller-of-choice and thus doesn't depend on millisecond timing to work right. -- -- Matthias Urlichs
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