https://github.com/ccrisan/motioneyeos
I have been giving this a go with my RPI v1 B.
The cameras work; the files are being saved on the device etc. The problem I am having is with the motion detection notifications to a gmail account.
I have read the following to troubleshoot
https://github.com/ccrisan/motioneyeos/issues/3
After allowing less secure apps and selecting the display unlock captcha I can get an email notification.
https://www.google.com/settings/security/lesssecureapps
https://accounts.google.com/DisplayUnlockCaptcha
However, everything has stopped again. What can I do?