What developper program are you using for the android application? What language? If you want to do a quick test, you can use bluetooth instead of wifi as it is easier. with the "MIT App Inventor", you can create a quick app for testing https://appinventor.mit.edu/ https://appinventor.pevest.com/201...

Have you seen this library from miwagner?

https://github.com/miwagner/ESP32-Arduino-CAN
It is a port from the official CAN driver, it work as expected.

Hi, The ESP32 has a built-in CANbus controller. With the library you are using, it's taking the SPI bus to use the CAN. Have you tried connecting the TJA1050 directly to the CANbus RX/TX pins (GPIO4/GPIO5)? You have to make sure the RX pins is 3.3v on the TJA1050, or you'll burn the pin. Look at thi...

Hi, I have to do a module for a project and security is needed. I want to encrypt the communication. I've read the docs and I can't make the esp_now_peer_info_t::encrypt work. I've made a peers on both sides (master/slave), put the same peer LMK, put the same PMK, set the slave into APSTA mode. when...