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Card terminals make good sources for interesting parts

Curious Pineapple
By Curious Pineapple
in Hobby Electronics
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Thermal printer modules, decent displays, keypads among other things can be ripped from card terminals. Most have FLASH storage and SRAM too.

 

Ingenico use "standard-ish" modules, but with different connectors so some reverse engineering is needed. I had no problems finding datasheets for parts used in an old Hypercom terminal, and the ML30 pin-pad form Ingenico has everything you need for RFID/contactless communication with a nice hand solderable MFRC531.

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