https://www.epanorama.net/blog/2025/03/12/smard-card-test-card/ All about electronics and circuit design Sat, 15 Aug 2026 09:36:01 +0000 hourly 1 http://wordpress.org/?v=3.9.14 https://www.epanorama.net/blog/2025/03/12/smard-card-test-card/comment-page-1/#comment-1882819 Thu, 30 Jul 2026 11:35:22 +0000 https://www.epanorama.net/blog/?p=197296#comment-1882819 Nice teardown — the PIC16C84 was a popular choice for smart card experimentation in the late ’90s because of its EEPROM and simple ISP programming. Curious whether the memory chip on yours is an I2C EEPROM like a 24C16, since that was the typical pairing for ISO 7816 card emulators of that era.

]]> https://www.epanorama.net/blog/2025/03/12/smard-card-test-card/comment-page-1/#comment-1851349 Tue, 15 Apr 2025 05:26:05 +0000 https://www.epanorama.net/blog/?p=197296#comment-1851349 That’s a fascinating find! The PIC16C84 and memory chip combo suggests a versatile platform for emulating various smart card applications, from telecom to pay-TV systems.

]]> https://www.epanorama.net/blog/2025/03/12/smard-card-test-card/comment-page-1/#comment-1848468 Fri, 14 Mar 2025 07:17:33 +0000 https://www.epanorama.net/blog/?p=197296#comment-1848468 https://www.epanorama.net/blog/2024/01/14/telephone-cards-hacking-history/

]]>