https://community.element14.com/resized-image/__size/300x300/__key/communityserver-blogs-components-weblogfiles/00-00-00-02-93/contentimage_5F00_12637.html
a student makes a FELTRONICS circuit with an LED and a buzzer
https://community.element14.com/resized-image/__size/300x300/__key/communityserver-blogs-components-weblogfiles/00-00-00-02-93/contentimage_5F00_12637.html
a student makes a FELTRONICS circuit with an LED and a buzzer