KEY for IperKEY
The key can be inserted as well locally (for being programmed) as remote, through the key hole.
Schematic
key_sch.pdf
The schematic comprises the memory not volatile 24C01 on which it has been memorized the code during the programming and the key in order to signal the presence of the key and to begin the operations of reading or writing code
PCB

The circuit of the key is much compact, is can therefore be personalized
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