Gadget Reboot

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Rodion Alashkevich

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Jeremy Harton

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Minvis entrant_faced_0y

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3

Description

GPIO Addressable LED Indicators

This pcb can read 8 digital inputs and display their high/low state on one of 8 addressable LEDs as a fast indicator.

This is useful when a bunch of LEDs are needed for a project and it would be inconvenient to breadboard separate LEDs.

An ATTiny804 is used to control 8 SK6812 mini LEDs, based on 8 digital input states on a header.

The board operates at 5v

The 8 inputs have a FET level shifter and a separate VCC power pin so they can run at 3.3v or 5v, based on the VCC pin voltage.

There is a config jumper and a button to switch between modes, so the LEDs can show green/red or green/off when the corresponding input is high/low, or whatever a sketch is set up to display as inputs change.

Code

Sketch

https://github.com/GadgetReboot/8ChLED

Schematic and Layout

Design files

https://github.com/GadgetReboot/8ChLED

Download Gerbers Download BOM(Bill of materials)

May 28,2024

1,004 views

GPIO Addressable LED Indicators

8 channel addressable LEDs used as GPIO indicators - allows easily viewing digital outputs without fumbling for breadboard LEDs

1004

Published: May 28,2024

Standard PCB

Download Gerber file 8

BOM(Bill of materials)

Centroid file

PCBWay Donate 10% cost To Author

Only PCB

PCB+Assembly

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