How do you turn an LED on and off with a button on Arduino? We set the pinButton variable as integer 8 and we connect the button at pin 8 on the Board. Then the LED is connected to pin 2 using the ...

You can connect any intrusion detection unit (such as a light fence or a motion sensor) to the input connector J2. Note that an active-low (L) at pin 1 of connector J2 triggers the security system.

WAGO has expanded its TOPJOB ® S line of DIN rail mount terminal blocks to include push-button actuation. Orange push-buttons on both sides of the terminal block clearly identify where the operating ...