ARDUINO 101 | BAR GRAPH LED

This Instructable will guide you through the process of setting up a 10-LED bar graph with an Arduino ProMini.

Supplies

1) Arduino ProMini: Buy here.

2) Half-sized breadboard: Buy here.

3) FT232RL: Buy here.

4) Jumper wires: Buy here.

5) Red bar graph LED: Buy here.

Step 1: CONNECTIONS

Connect a 1K ohm resistor between Arduino's GND and the -ve rail of the breadboard.

LED PIN 1 -> DIGITAL PIN 11

LED PIN 2 -> DIGITAL PIN 10

LED PIN 3 -> DIGITAL PIN 9

LED PIN 4 -> DIGITAL PIN 8

LED PIN 5 -> DIGITAL PIN 7

LED PIN 6 -> DIGITAL PIN 6

LED PIN 7 -> DIGITAL PIN 5

LED PIN 8 -> DIGITAL PIN 4

LED PIN 9 -> DIGITAL PIN 3

LED PIN 10 -> DIGITAL PIN 2

Step 2: PROGRAMMING

1) Download the code.

2) Open it using your Arduino IDE.

3) Verify the code.

4) Select the right board and communication port.

5) Upload the code.

Step 3: TESTING

* SKIP TO 1:22 *

Have fun!