Ryan Castellucci :nonbinary_flag: on Nostr: Is there a way to figure out which pin is RS232 TX and which is RX with a multimeter? ...
Is there a way to figure out which pin is RS232 TX and which is RX with a multimeter?
This is a cursed RS232 with standard voltage levels via RJ9/RJ10/RJ22 thing.
cc David Buchanan (nprofile…jqah) nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq0ggqqrp8yp6n0ete2jul8fz8wrwle5dtp8gmkclqlqeaz5zydhkqdcvvn7 (nprofile…vvn7)
This is a cursed RS232 with standard voltage levels via RJ9/RJ10/RJ22 thing.
cc David Buchanan (nprofile…jqah) nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq0ggqqrp8yp6n0ete2jul8fz8wrwle5dtp8gmkclqlqeaz5zydhkqdcvvn7 (nprofile…vvn7)