The double row of wires helps keep them on the breadboard, they stay in place better. Tiny switches, see dime photo for scale.
TWTADE/AC 24V 10A Coil Electromagnetic Power Relay 8 Pins 2DPT 2NO+2NC With Indicator Light And Socket Base -YJ2N-LY
9 Review
Universal Rotary Cam Selector Latching Switches - VictorsHome Changeover Switch LW28-32 With 3 Positions, 12 Terminals For 690V, 32A Capacity
9 Review
Adjustable AC Current Sensing Switch: SZC23 No AL-CH Model, 0.2A-30A Range
14 Review
Vacuum cleaner KARCHER VC 3, yellow
176 Review