Description
Running LED or Johnson counter using 25 LEDs
### DESCRIPTION
Assembling video at : https://www.youtube.com/watch?v=mZbWRRISTFA
Working using Arduino : https://www.youtube.com/watch?v=ICJrrRas-3o
Working using 555 timer IC : https://www.youtube.com/watch?v=4cOyNV15QuA
Quick method to work Running LED (Johnson counter) module : https://www.youtube.com/watch?v=duxLeM_y6kY
### TECHNICAL DETAILS / COMPONENTS
CD4017 decade counter IC
CD4093 NAND gate IC
SMD LEDs 0805 package
SMD resistors 0805 package
### LEARN / TOPIC / BUILD INSTRUCTIONS
Nov 25,2018
2,383 views
Running LED or Johnson counter using 25 LEDs
2 Layers PCB 37.8 x 129.9 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
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Published: Nov 25,2018
Download Gerber file 21
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