SazkJere 2PCS 16 Keys Matrix Keypad 16 Keyboard Module 4x4 Buttons External Keypad Board with Pin Header (Welded)

SazkJere 2PCS 16 Keys Matrix Keypad 16 Keyboard Module 4x4 Buttons External Keypad Board with Pin Header (Welded)

• It provides numbers from 0 to 9, and A B C D, as well as standard stars (*) and hash symbols (#)
• 16 keys keypad with welded pin header, no need for manual welding, easy to use, simple to install
• The keyboard matrix allows you to quickly add controls to your electronic projects. Easy to communicate with any microcontroller.
• There is a switch connecting each row and column. So the combinations of rows and columns makes up the 16 inputs.
• Keypad is a combination of row and column circuits. Application: Password security system, Generating external interrupt, Automatic Gate Keypad Lock.