so the project uses a keypad where if you type a certain number code (in this case 4357) you click on the button, and the particle photon sends a message that you Need Help. However, I keep getting an error and I don't know why. #include <Keypad.h> const byte ROWS = 4; //four rows const byte COLS…

Particle Photon: Am I Using it Correctly?

arduino_new April 23, 2018, 12:47am 3

here is your error:

byte colPins[COLS] = {5, 4, 3, 2)'

Topic		Replies	Views
4x4 keypad wont work Programming	32	10459	May 5, 2021
error: 'keypad' does not name a type In function ' Troubleshooting	12	18519	May 6, 2021
Errors in 4x4 Universal Keypad Code for Arduino Uno Programming	5	2144	May 5, 2021
Error de codigos. Proyectos	17	6918	May 7, 2021
12 keys keypad, library error when uploading!! Programming	21	3939	May 5, 2021