Hi.
According to your email account, you have access to the following courses :

• Build a Home Automation System for $100
• Build ESP32-CAM Projects using Arduino IDE
• Home Automation Using ESP8266 – 4th Edition
• Learn ESP32 with Arduino IDE

You can go to this page and access your courses: https://rntlab.com/courses/
 
If you bought other courses with a different email address, you need to login using that email address.
 
If you’re having issues accessing the courses, please send an email to our support:
https://rntlab.com/support/ 
Regards,
Sara