4 ms·
RPi got an SPI interface, which can be used with a standalone FTDI USB-to-SPI.
by sklogic 11y ago
RPi got an SPI interface, which can be used with a standalone FTDI USB-to-SPI.
- david-given 11y agoYou don't even need that --- the RPi has got a proper TTL UART. Two, in fact, although as you can only use one at a time that doesn't get you much. Any TTL serial adapter will just plug straight in.