I have an device which has push buttons. The buttons are SMD types. I have used arduino to control the devices by connected the device push buttons to arudino. But, when i connect 4 buttons, only one button works all the time. If i need to activiate the other buttons, other 3 connections has to disconnect.
Can any one help me to build the remote control for my existing device.
Start with posting your code using code tags.
Add a drawing of how it is all wired up.
Add photos of how it actually is.
Add a description of how you expect it to work.