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4 DC Songle relays 220V
It is designed to be used in industrial applications such as water treatment facilities
Interface: SPI (Serial Peripheral Interface)
it first intercepts one half of the PIR sensor
Flexible Coupler (3mm to 6.50 mm) sn74hc138 4 DC Songle relays 220VConnect motor shaft to anything else with a set screw coupler. These couplers are made of machined aluminum and have a spiral cut that makes them slightly flexible so they can be fit to two shafts even if they are not perfectly co linear and will help reduce bending effects. The way they are cut, create a spring effect in the X Y & Z linear axis but not in the rotational axis. That means that you will not get increased backlash so they're suitable for
