Skip to content

Update RowColumnScanning.md #2436

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Update RowColumnScanning.md #2436

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion content/built-in-examples/07.display/RowColumnScanning/RowColumnScanning.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,10 +60,12 @@ The 16 pins of the matrix are hooked up to 16 pins of the Arduino board. Four o

Two potentiometers, connected to analog pins 0 and 1, control the movement of a lit LED in the matrix.

To keep your LED matrix from burning, add 8 10kΩ resistors to the wires connected in yellow in the image below.
To keep your LED matrix from burning, add 8 1kΩ resistors to the wires connected in yellow in the image below.

![Circuit diagram of the LED matrix.](assets/circuit.png)

NOTE: In the circuit drawing it looks like all rows are on one side of the matrix and all columns are on the other. To wire up the display you need to find the correct pins. Place the matrix so that you view it from the top, the marking facing you. Then pin one is on the lower left of the LED matrix.


### Schematic

Expand Down