Re: Need help on an invention!!!!
I know its kind of primitive, but the motion detector switch of my driveway light would fit into that size of a box. and it is adjustable for distance. but I wouldn't blame you at all if you held out for something higher tech. i was just looking at Newegg, and they have some on their website. i see your in the UK, what voltage do you need?
HP a1720n upgraded to MSI B150m PRO-VHL, Intel i-5 6500, 16gb G.Skill DDR4, WD Blue 1TB + oem WD 320gb, HP DVDRW , LG WH14NS40 Blu-Ray burner, Dynex 350W PSU