smellsofbikes
loopback
Physical loopback: USB to serial. On the left of the screen is the USB port, where I'm catting a big file into /dev/ttyUSB0; on the right side of the screen is picocom, receiving the file off /dev/ttyS0. To the left of the computer you can see the silver USB cord, going to a bog-standard FTDI232 translator board, then through a Dallas DS275 ttl-to-RS232 voltage converter, and then through the rainbow-colored cabling to the serial port. This is a proof-of-concept version of the front end of an Arduino, allowing me to do tiny embedded Arduino boards consisting of just the processor and clock circuitry, while still using the Arduino software interface framework.
loopback
Physical loopback: USB to serial. On the left of the screen is the USB port, where I'm catting a big file into /dev/ttyUSB0; on the right side of the screen is picocom, receiving the file off /dev/ttyS0. To the left of the computer you can see the silver USB cord, going to a bog-standard FTDI232 translator board, then through a Dallas DS275 ttl-to-RS232 voltage converter, and then through the rainbow-colored cabling to the serial port. This is a proof-of-concept version of the front end of an Arduino, allowing me to do tiny embedded Arduino boards consisting of just the processor and clock circuitry, while still using the Arduino software interface framework.