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For those asking about the mph calc:mph = (56.8*float(circumference))/float(timer);"circumference" is measured in inchestime per revolution of the wheel ("timer") is measured in milliseconds (0.001s)miles/hr = 1/(inches per mile) * (miliseconds per hr) * (circumference / timer)there are 63360 inches in a mile and 1000*60*60 = 3,600,000 ms in an hr:mph = 1/63360*3600000*circumference/timermph = 56.8*circumference/timerto do this in km/hr:km/hr = 1/(inches per km) * (miliseconds per hr) * (circumference / timer)km/hr = 1/39370*3600000*circumference/timerkm/hr = 91.4*circumference/timer
use a text to speech chip, it will be much easier:https://www.instructables.com/id/Twitter-Enabled-Text-to-Speech/
awesome! yeah go for it!
you'll have to look through the reference pages:https://docs.cycling74.com/max5/refpages/max-ref/serial.html
you could hack something together to make that work over midi, but it would probably be easier to use serial. You might also look into osc, i think it could support something like that - not sure though.
yeah at some point I think there was formatting to make that list more clear. I fixed it. glad to hear you solved it!
leds could be wired backwards? do they turn off when you would expect them to be on?
in Max if you send a "bang" to the serial object and then look at what's printed it will tell you which port - a, b, c, d, e, etc You can set the port by clicking on the one of the buttons attached to the serial object.
ok, use a multimeter to check the voltage across the leds to see if they're even getting power. Are you sure the leds are installed in the correct orientation?
hmm that is really strange. What is the error message? usually I just run the code with the wav in the same folder.
the connections look fine. what are the symptoms? no leds are turning on? In my experience, the ics used to drive the leds are pretty robust, I haven't seen one get fried in normal circumstances - I'm not generally too careful about esd. Do you have an oscillascope to debug the output from the ics?
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