This is a 9V battery pack with on/off switch and a pre-attached 5.5mm/2.1mm barrel plug. Use this..
65 flexible stranded core wires with stiff ends molded on in red, orange, yellow, green, blue, br..
Little clicky switches are standard input "buttons" on electronic projects. These work best in a ..
Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it ..