ESP8266-gmail-notifier
Arduino program, lighting up a led whenever an email from gmail is unread and with special string in title
Go to https://www.google.com/settings/security/lesssecureapps to enable access for "less secure apps":
The Base64 encoded version of your Gmail login credentials (see below) following the shell command for filling up the above variable: $ echo -n 'email.address@gmail.com:password' | base64
The SHA-1 fingerprint of the SSL certificate for the Gmail server (see below) following the shell command for filling up the above variable: $ openssl s_client -connect mail.google.com:443 < /dev/null 2>/dev/null | openssl x509 -fingerprint -noout -in /dev/stdin | sed 's/:/ /g'
String to search inside the title of the email to mark as alert (down default)
Interval in milliseconds from a request to another (5000 milliseconds default)