RS232 level conversion module 5v <> 3.3v
Denne levelconverter indeholder 2 convertere, Chan1 og Chan2 Begge har en 3.3v side LV, og en 5v side HV. TXI/TXO er bidirektionelle convertere. RXI/RXO er diskrete spændingsdeler LV siden (3.3v): LV connect to 3V system power. GND connect to 3V system GND. Channel1 - TXI connect to 3V system TX. Channel2 - TXI connect to 3V system RX. HV siden (5v): HV connect to 5V system power. GND connect to 5V system GND. Channel 1- TXO connect to 5V system RX. Channel 2- TXO connect to 5V system TX.Level converter
Download BSS138 datablad
Køb level converter
| Arduino 5v | Level converter | 3v enhed | Bemærkning |
|---|---|---|---|
| TX | Chan1 TXI -> TXO | RX | |
| RX | Chan2 TXI -> TXO | TX | |
| 5v | HV | ||
| 3,3v | LV | ||
| GND | GND |