Several intercom circuits have appeared in Extreme Circuit using integrated circuits. The circuit described here uses three easily available transistors only. Even a beginner can easily assemble it on ...
The UClear AMP GO2 is an updated version of and replacement for the AMP GO system wBW reviewed in September 2019 and while expected before the end of 2019 it didn’t arrive until early 2020. On the ...
The intercom circuit described here uses two transistors, an audio transformer, and a few passive components in addition to condenser microphone and low-wattage speaker (refer Fig. 1). The complete ...
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