5v-30v micro usb power adjustable delay relay timer control module trigger delay switch Mornsun LM75-10D0524-20 AC/DC 75W Enclosed Switching Power Supply Rocker Switch 6A 250V SPDT

Rocker Switch 6A 250V SPDT 3 PIN Red LED

Mornsun LM50-23B36 Power Supply Unit

These headers are specifically designed for Arduino Nano 33 IoT

Arduino microcontroller board

5v-30v micro usb power adjustable delay relay timer control module trigger delay switch Mornsun LM75-10D0524-20 AC/DC 75W Enclosed Switching Power Supply Rocker Switch 6A 250V SPDT5v 30v micro usb power adjustable delay relay timer control module trigger delay switch 5v 30v micro usb power adjustable delay relay timer control module trigger delay switch 5V 30V Delay Relay Timer Module Trigger Delay Switch Micro USB Power Adjustable Relay Module Wide Voltage 5V 30V Trigger Delay Relay Module Timer Module Delayed On Delay Switch Button. The time can be adjusted by potentiometer to meet your use of most occasions. With MicroUSB 5.