# Instructions for Speeduino To use this EGT box with speeduino, go to "Accesories" -tab and open "Canbus/Secondary Serial IO interface" -settings. There enable the Second Serial (and internal canbus if available): ![alt text](https://raw.githubusercontent.com/pazi88/8Ch-EGT/master/Speeduino%20instructions/Secondary_serial.png) Then go to "External Auxilary Input Channel Configuration" -settings and use these settings to make the EGT box work: ![alt text](https://raw.githubusercontent.com/pazi88/8Ch-EGT/master/Speeduino%20instructions/Speeduino_settings.png)