Arduino Code and Video for a Four-Key Keypad
This video shows you how to use a 4-key keypad for Arduino.
Related Code and Videos
1-4 Keys Keypad
2-4x3 Keypad
3-4x4 Keypad
4-4x4 Keypad Black (hard shell)
5-5x4 Keypad
6-4x3 Keypad: Controlling 8 Channel Relay
Resources for this code Library code for 4x4 Keypad Get a schematic diagram for this sketch from the Arduino Course on Udemy Learn Arduino step by step from beginner to advanced (Course) Get early access to my videos via Patreon
2-4x3 Keypad
3-4x4 Keypad
4-4x4 Keypad Black (hard shell)
5-5x4 Keypad
6-4x3 Keypad: Controlling 8 Channel Relay
Resources for this code Library code for 4x4 Keypad Get a schematic diagram for this sketch from the Arduino Course on Udemy Learn Arduino step by step from beginner to advanced (Course) Get early access to my videos via Patreon
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