Just like the online stopwatch (stopwatch mode) and you probably know the controls. Timer: https://scratch.mit.edu/projects/1323013344
21 May Shared 26 May Fixed many bug and deleted sprites for 10 and 1 ms because there were a lot of bug related to them and I am out of ideas for how to fixed those bugs 1 June Added back sprites for 10 and 1 ms (plus recoded them)