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Mains Remote Alert - Remotely-operates a Beeper and/or a LED via
mains supply line Simple Circuitry, easy to build unit
Passive Filter Cleans Up Power Line Communications: - 09/20/01 -
EDN-Design Ideas: Many applications require the design of custom analog
filters (Reference 1). The application for this design required simple
and low-cost I/O filters for PLC (power-line communications), where low
power consumption is a crucial factor |
