FET level shifter for serial does not work with inline resistor for safety - Electrical Engineering Stack Exchange
In order to achieve a step-down (5 V → 3.3 V) and step-up (3.3 V → 5 V) level shift (voltage conversion), how should this be achieved? | Toshiba Electronic Devices & Storage Corporation | Asia-English
What options do I have to perform level shifting from 1.8 V to 2.5 V and vice versa? | Toshiba Electronic Devices & Storage Corporation | Asia-English
Amazon.com: RYLS135 USB to 1.8V/3.3V/5V UART Bridge with 4-Bit Bidirectional Voltage Level Shifter with Wire : Electronics
How can I achieve level shifting from 2.5 V to 1.8 V and vice versa? | Toshiba Electronic Devices & Storage Corporation | Americas – United States
SN74LV1T34/SN74LV1T34-Q1 Logic Level Shifter - TI | Mouser