I googled several ways on how to connect via FTDI to an Arduino. For example:
FTDI ProMini
DTR -> GRN
RX -> TX
TX -> RX
VCC -> VCC
CTS -> GND
GND -> BLK
FTDI ProMini
DTR -> GRN
RX -> TX
TX -> RX
VCC -> VCC
GND -> GND
I don't understand how both can work. RX, TX and VCC are clear. But BLK, CTS, GND seem to be wired completely different - and still its working. How come?