Thank you for your help. I will look into those options.
Dan
Search found 2 matches
- Sat Mar 30, 2019 8:23 pm
- Forum: Hardware
- Topic: RS232 UART Acceptable Voltage for ESP32
- Replies: 4
- Views: 5588
- Fri Mar 29, 2019 7:02 pm
- Forum: Hardware
- Topic: RS232 UART Acceptable Voltage for ESP32
- Replies: 4
- Views: 5588
RS232 UART Acceptable Voltage for ESP32
Hi All, I have a project to have an ESP32 talk to a RS232 device. The device is powered by 12 volts, and the RS232 specs indicate the voltage can be as high as +-15v. I assume I cannot wire the TX/RX wires directly into the ESP32 pins for the chosen UART as 12V will probably fry the ESP32. Or will i...