Arduino 12-mode Blue Box - Introduction

Presented here is an Arduino-based "Blue Box". It produces the "traditional" Blue Box 2600Hz tone and MF (multi-frequency) tones, but does much more! It also produces other tone systems used by phone phreaks to hack other more exotic system in the US and overseas, including early pre-cellular mobil...

By: df99



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from Instructables: exploring - technology http://ift.tt/1DHm17S