@codecage Hi SteveG, Many thanks for your email and advice. I am new to Android and Arduino, up to recently I used Raspberry Pi projects. I have bui...

@codecage Hi, I have had a couple of upgrades to boards and libraries but still get the same results. However I took your advice and changed all "a...

@zander Hi Ron, These are the only codes I have and they were sent to me when I registered to the forum and initially reported my problem. The files (...

@zander Hi Ron, Here is the link to the Mecanum Wheel Robot Car 4wd test.

@zander Hi Ron, Sorry for giving you a hard time, but I have now carried out your instructions properly and as you can see it has compiled OK.

@zander Hi Ron, Sorry I'm giving you a hard time, but this time I carried out your instructions properly and as you see it complied. Regards, Jim

@zander Hi Ron, Sorry for the delay. I have reinstalled the IDE and here is a copy of a screenshot taken with the additional code you suggested.

@codecage Hi, Thanks for your post. I am using the Bill tutorial and codes. Unfortunately I am stuck, I am unable to proceed as I can't get the first...

Hi Will, Thanks for replying to my post. I have checked the code and all is good. Here is a copy of the sketch showing the error. Jim