So, you're about to take the plunge into the world on Nintendo Switch 2? Well, lucky for you, Nintendo has made it pretty easy to get started, but there are a ...
Additional circuitry required. One Diode (I use 1n4004) - pole/cathode at tx pin other at rx pin. 4k7 Ohm resistor between rx and 5V (3.3V also works). Same at the other microcontroller but you don't ...