Monday, February 27, 2012

AT89S2051 base 8bit Bus Monitor

This is an AT89S2051 base 8bit bus monitoring utility. This module indicates bus values using hexadecimal numbering format and notify value changes by the beep. This utility is design to work with any 5V compatible TTL/CMOS - data/address buses.


This 8bit bus monitor requires 5V external power supply. In the idle mode this unit draws 15mA of current and in working mode (when inputs get change) this may raise up to 20mA – 30mA. Due to this low power profile, this system can also attach into the PSU of the "testing system".

This module is release as an open hardware project and it is covered with Creative Commons Attribution-ShareAlike 3.0 license. All the project related resources are available at Open Hardware Hub.
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