Quick note if you're a) reading multiple ds18b20's with a raspberry pi and b) struggling with flow stalls

I'll bump this, because it helped me solve a seemingly difficult problem with random errors.
Node-red started to throw the error "EINTR: interrupted system call, read". At first I didn't find the cause, because it started some time after I had included the ds18b20 node. Apparently it was caused by the way the ds18b20-node was handling requests.

@nrbrt Great small scipt!

The service has been running flawlessly ever since I implemented it.

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