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NARD

NARD: a dual sim/sam card interface for the flipper zero

INFO

Its made to make working with smart card interface type ISO7816 easier on the flipper.
It fits on top of the flipper with a easy breakout on the back so the IO is still available and you can plug in other modules.
Just make sure those are not using PC0 and PC1. because those are used on the NARD.
PC0 and PC1 are used as a serial port to communicate with the SEC1210.

When you buy the SEC1210 make sure its the UART version not the USB!
And they come pre programmed with firmware from Microchip.
And use the CCID commands to interface: https://www.usb.org/sites/default/files/DWG_Smart-Card_CCID_Rev110.pdf

For information about how to communicate with the SEC1210: https://microchip.my.site.com/s/article/SEC1210-URT--Minimal-UART-Testing-on-Windows

Example of a serial command send to the SEC1210:

See below details for this CCID command (hex):
Hex Bytes: 03 06 62 00 00 00 00 01 01 00 00 00 67
*Byte 0 : SYNC (0x03)
*Byte 1 : CTRL (0x06)
*Byte 2 onwards:10 bytes of CCID header + data length: CCID command
*Last Byte: LRC (XOR of all the previous bytes)

so: SYNC, CTRL, , LRC

The SEC1210 information: https://www.microchip.com/en-us/product/SEC1210

sim card slot used.
slot1: 115J-BCO0
slot2: 115J-ACO0
you can find the sim sockets by https://www.tme.eu/

slot1 has the 2 extra pads C4 and C8.


simple list of items used:

TME.EU
115J-ACO0 ATTEND
115J-BCO0 ATTEND

MOUSER.com

855-M20-7910842R
200-SMH11002TSTR
81-BLM18EG221SN1D
71-CRCW0402J-43-E3
187-CL05A105KO5NNNC
81-GRM155R61A104KA01
187-CL05A106MP6NUN8
187-CL05A106MP6NUN8
279-CRG0402J100K/10
71-CRCW04021M00JNEDC
652-CR0402JW-331GLF
579-SEC1210IPVUR2
743-IN-S21AT5R


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