Originally Posted by RHTizzy
Interesting but I feel like I missed something, what does this offer over the sparkfun logic level converter or is it because those are unstable?
Miru will surely be able to give more pros for this shifter, but I can see at least 4
1) proper reference voltage for the IO levels coming from the regulator (either 1.8V or 3.3V) which I guess shall make it more stable
2) drone plug can be soldered directly to it, so it can serve as plug. This also limits the chances of getting wires wrong.
3) if you prefer keep it on Arduino's side - it fits nicely the GND/VIN/TX/RX pins. Again, less chances to have wiring wrong.
4) the diode is built in.