Does any one have a schematic for some sort of timer that could recieve an input such as 17 then beep
17 times per minute. I would like to have something like this to assist in setting the drips for an intravenous
it would be easier than trying to watch the second hand of a watch and count the drips at the same time
17 times per minute. I would like to have something like this to assist in setting the drips for an intravenous
it would be easier than trying to watch the second hand of a watch and count the drips at the same time
