Get your multimeter and have this tool at home that will help you with various repairs, including electronics, electrical work, testing cables, batteries, etc.
Here's a link below to purchase a good and inexpensive multimeter:
https://a.co/d/45YIYMh
And if you'd like to learn about our courses, just click on the links below:
Security Camera Installation Course
https://go.hotmart.com/L83712438G?dp=1
Electronic Gate Installation Course
https://go.hotmart.com/C97527255S?dp=1
Electronic Gate Maintenance Course
https://go.hotmart.com/H71937483J?dp=1
Electrical Repair Course:
https://go.hotmart.com/V71510217C?dp=1
Home Repair Course for Women:
https://go.hotmart.com/O74082799J?dp=1