why does esp32-c3 use SDA 19 and SCL 18 works perfectly, but when I try to swap SDA 18 and SCL 19 data is lost
Posted: Wed Oct 25, 2023 3:09 am
by vietnhatthai
why does esp32-c3 use SDA 19 and SCL 18 works perfectly, but when I try to swap SDA 18 and SCL 19 data is lost
Re: why does esp32-c3 use SDA 19 and SCL 18 works perfectly, but when I try to swap SDA 18 and SCL 19 data is lost
Posted: Thu Oct 26, 2023 8:04 am
by ESP_Minatel
Hi,
GPIO18 and GPIO19 are used for the USB Serial and JTAG (D- and D+ signals). Are you using USB serial from the ESP32-C3 for flashing and logging?
Can you give more details about the board you are using?