notes:c4eng:fall2023:projects:ptb2
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| notes:c4eng:fall2023:projects:ptb2 [2023/10/26 03:15] – mwinter4 | notes:c4eng:fall2023:projects:ptb2 [2023/10/26 03:25] (current) – [if-else] mwinter4 | ||
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| The if else statement essentially means that " __if__ this condition is true do the following thing, __else__ do this thing instead" | The if else statement essentially means that " __if__ this condition is true do the following thing, __else__ do this thing instead" | ||
| + | An easy way to write an if statement that executes when our button is pressed, is just to simply combine functions: | ||
| + | < | ||
| + | if(digitalRead(BUTTON)){ | ||
| + | // | ||
| + | } | ||
| + | </ | ||
| + | With this method, there is no need to write out a full expression. You can simply evaluate within the if statement. | ||
| =====staying within a range===== | =====staying within a range===== | ||
| Line 22: | Line 29: | ||
| (10*direction)%110; | (10*direction)%110; | ||
| </ | </ | ||
| + | |||
| + | Another way to do this would be to add an if statement each time the variable is changed, i.e. | ||
| + | < | ||
| + | value = 110; | ||
| + | if(value> | ||
| + | value = 0; | ||
| + | </ | ||
| + | Because there' | ||
| + | |||
| + | Using this method, we can also make sure we stay in the positives with an additional if statement: | ||
| + | < | ||
| + | if(value> | ||
| + | value = 0; | ||
| + | if(value< | ||
| + | value = 100; | ||
| + | </ | ||
| + | Now when we go below 0 or above 100, we will cycle to the other side of the range. It is important to add these if statements directly after the value is changed, to ensure the out-of-bounds value doesn' | ||
notes/c4eng/fall2023/projects/ptb2.1698290155.txt.gz · Last modified: 2023/10/26 03:15 by mwinter4
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