Used voltage source

Omron E3S-GS3E4 2M Grooved-Type Photoelectric Sensor Switch, 30mm Dist IR Light [New]

• Manufacturer: Omron
• Model: E3S

Sensing Distance: 30 mm. Standard Sensing Object: Opaque, 6-mm dia. min.. Minimum Detectable Object: 3-mm dia. min. (black mark on transparent sheet). Light Source (Wavelength): Infrared LED (950 nm). Power Suppl...