![voltage protection - Are the output pins on the 74HC595 shift register protected against shorting? - Arduino Stack Exchange voltage protection - Are the output pins on the 74HC595 shift register protected against shorting? - Arduino Stack Exchange](https://i.stack.imgur.com/f0Kal.png)
voltage protection - Are the output pins on the 74HC595 shift register protected against shorting? - Arduino Stack Exchange
![What does pulldown resistor from Arduino's output pin to ground do? Is it necessary? - Electrical Engineering Stack Exchange What does pulldown resistor from Arduino's output pin to ground do? Is it necessary? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/lvy6l.jpg)
What does pulldown resistor from Arduino's output pin to ground do? Is it necessary? - Electrical Engineering Stack Exchange
Arduino — Introduction to Pins. The Arduino Uno is one of the most… | by Aditi Shah | Vicara Hardware University | Medium
![Amazon.com: GIDEALED 2 Pack Smart ZigBee 3.0 LED Controller 2-Output for 4 Pin RGB StripLights Dimmable Compatible with Hub Bridge,Amazon Echo Plus,Echo Show(2Gen) App/Alexa Voice Control Ambiance Lighting : Tools & Home Amazon.com: GIDEALED 2 Pack Smart ZigBee 3.0 LED Controller 2-Output for 4 Pin RGB StripLights Dimmable Compatible with Hub Bridge,Amazon Echo Plus,Echo Show(2Gen) App/Alexa Voice Control Ambiance Lighting : Tools & Home](https://m.media-amazon.com/images/I/61xwGn9o5aL.jpg)