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add info for analog pins that are used as digital output

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Alexander Weinhold 2013-12-18 00:25:14 +01:00
parent 436b596a6d
commit 7b20c89240
1 changed files with 2 additions and 2 deletions
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README.txt
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@ -11,8 +11,8 @@ Upload the included Arduino code to the Arduino of your choice, and open up the
Moppy was built for Arduino UNO, though it should work just fine on most Moppy was built for Arduino UNO, though it should work just fine on most
Arduinos. The pins are connected in pairs to floppy drives as follows: Even Arduinos. The pins are connected in pairs to floppy drives as follows: Even
pins (2,4,6...) are connected to each drive's STEP pin (pin 20) , the matching pins (2,4,6,...,A0,A2) are connected to each drive's STEP pin (pin 20) , the matching
odd pins (3,5,7...) are connected to the each drive's DIRECTION control pin odd pins (3,5,7,...,A1,A3) are connected to the each drive's DIRECTION control pin
(pin 18). So the first floppy would be connected to pin 2 & 3, the second floppy to 4 & 5, and so on. (pin 18). So the first floppy would be connected to pin 2 & 3, the second floppy to 4 & 5, and so on.
Make sure you ground the correct drive-select pin (pin 12), or the drive won't respond to any input (just connect the drive-select pin on the floppy to the pin directly below it). You can tell when you have the right drive selected, because the light on the front of the drive will come on. Make sure you ground the correct drive-select pin (pin 12), or the drive won't respond to any input (just connect the drive-select pin on the floppy to the pin directly below it). You can tell when you have the right drive selected, because the light on the front of the drive will come on.