2020-09-26 00:42:44 +03:00
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This code can be used on the LC and 4.0 but they need a level translator if connected to a 5 volt touchpad.
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The Touchpad_3p2.ino code sets up the touchpad to be in remote mode so that the Teensy can poll it after finishing the keyboard scan.
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The Touchpad_Stream_mode.ino code sets up the touchpad to be in Stream Mode so it sends data when ever it detects finger movement.
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2021-10-09 21:11:44 +03:00
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ADB_Trackball.ino will read an Apple Data Bus trackball and send the results as USB mouse commands.
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I2C_Touchpad.ino is an example routine to read a touchpad over an I2C bus and send the results as USB mouse commands.
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Read the comments at the beginning of the code to see the address and register numbers for this example touchpad.
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2020-09-26 00:42:44 +03:00
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For a complete description of how to interface a Teensy to a touchpad, read my touchpad guide at:
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https://www.hackster.io/frank-adams/laptop-touchpad-conversion-to-usb-d70519
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