TOLAKO 5V Hall-Effect Current Sensor Module (30A)

this is the ACS 7 1/2 Hall effect based linear current sensor from Allegro Microsystems and in this small outline 8 pin package there are I think three types this is the 5 amp there's also a 20 amp and a 30 amp type and now if you want to buy this chip on eBay just the chip you're looking at about four or five pounds but due to the wonders of Chinese economics if you want it mounted on this board with all the connectors in place you're looking at about 2 pound 50 now one gripe I do have with this type of terminal block is that when you try and turn the screws the whole block twists on the board and that's because there are no locating plastic lugs and it just turns on the the metal work that's underneath but fortunately the supplier of this Court has very kindly not soldered the connector in so I think I'm going to use it like this where I'll just put ring terminals directly onto the ho