Shift Register 74HC595 for LCD
With this system you can use a lcd with an Arduino an with only 3 cables.
Step 1: Material
Material: - 74 HC595
- a led
- a capacitor
- a potentiometer
- two resistors
Step 2: Gerber file
You can download gerber file at : https://circuits.io/circuits/2966237-compte-a-rebour2
Step 3: How to use 74hc595
http://www.zem.fr/connecter-un-lcd-hd44780-sur-un-arduino-avec-3-pins/#more-603
Oct 25,2016
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