The Id-12(20) LA rfid sensor can be mounted as is.
But to have it mounted to a board, which contains a dc-filter, and convenient leds
might be an advantage.
This board can be used in different ways.
For the each of the two leds there are three different positions possible.
The basic idea was to be able to put in the 3D printable WIO-box.
(see DIY > 3D print.
Print can therefore also cut in different sizes.
For the WIO_Box cut the A and B line.
For even maller size, cut D as well.
ID-12 can be soldered directly to pcb, and therefore the resistors
have other possible positions outside the sensor shape.
But is also possible for resistors to be mounted at the backside of pcb.
Just fix it the way you like or need.
The used parts are:
Kits will include fitting connectors.
Kits also include the right headers, to avoid soldering the ID-12.