# Instructional Sites and Tools  

## Tools  

### Tinkercad  
<https://www.tinkercad.com>  
Basic CAD program to create circuit diagrams.   

## IoT Instructional and Information Sites  

### Sparkfun Learn  
<https://learn.sparkfun.com/tutorials>   

### Adafruit Tutorials  
<https://learn.adafruit.com>  


### Instructables
<https://www.instructables.com>  
Create an account with a school email address for free teacher/student access.   

### HackaDay  
<https://hackaday.com>.  
Project ideas and interesting articles.