One Diode Light Brightness Detection Photosensitive Sensor with Wire
Stepper Motor Mount with Hardware - NEMA-17 Sized
5V 4 Channel Relay Module Supportthe high and low level trigger
ON-OFF, 3 Pin Light - IC118 Mini Lighted Switch
5V 4 Channel SSR Solid-State Relay High Level Trigger 2A 240V
680 Ohm - 1/4W Carbon Flim Resistor