Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
46
Lesson 19: Potentiometer
Overview
In this example, we use a potentiometer, we read its value using one analog
input of an RPI board and we change the blink rate of the built-in LED
accordingly. The resistor's analog value is read as a voltage because this is
how the analog inputs work.
Specification
Product Name: Potentiometer;
Resistance Value: 10K ohm;
Adjustment Type: Top Adjustment
Pin definition
Null
Hardware required
Material diagram
Material name
Number
10KΩ Potentiometer
1
PCF8591
1
Raspberry Pi Board
1
T-Cobbler Plus
1
40P GPIO Cable
1
Breadboard
1
Jumper wires
Several