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If you're going to connect some switches on your MuIn USB (using your firmware), you can consider using PORTB since it has integrated pull-up resistors: one pin of the switch will be connected to GND and other pin on PORTB Input. You'll detect the button pressed with some instructions like those:

if (!LATBbits.LATBx) // x=0...7
{
// instructions to execute if button pressed
}
else
{
// instructions to execute if button not pressed ...

Tags: muin, rb0, rb1, switch, usb

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Our popular FTDI FT232 based USB->RS232 converter is back in stock!

Tags: 990.004, converter, ft232, usb

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