TTL-232RG-VREG1V8-WE from FTDI is what you want if you want to go the safe but expensive way. There are, of course, some cheap chinese thingies, but trust them (e.g. Given the pinout details for the UART, can I assume 3.3 V as voltage?).
TTL-232RG-VREG1V8-WE from FTDI is what you want if you want to go the safe but expensive way. There are, of course, some cheap chinese thingies, but trust them (e.g. Given the pinout details for the UART, can I assume 3.3 V as voltage?).