I’ve made the another prototype to improve the physical difficulty of detachable parts. In the previous model, I needed a lot power to insert two pins.
By checking reed switch can actually read analogue reading(not to kill myself to wire 125…for only digital reading), I created use of reed switch for corner reading and one earphone jack in centre for LED lights and unique ID reading.
The result becomes actually really good.
I found one problem to make the connector work best. Here is my improved design pattern. Hope it will work perfect. No design change from now. I’ll just produce.