yes, I was wrong with Serial1 - I thought I use Serial 1, but it was Serial2. Serial1 works ok with BT via pins D8 and D2. Serial 6 - still not.
@Andrey started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
yes, I was wrong with Serial1 - I thought I use Serial 1, but it was Serial2. Serial1 works ok with BT via pins D8 and D2. Serial 6 - still not.