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Easy 2 x transistor BC 547 b LED indicator for small AC voltages (schematic and demo & more)

radiofun232 RADIOFUN232 · JUN 16, 2026

This YouTube video has 405 views and was published Jun 16, 2026 on radiofun232. That is 0.5x the channel's average views.

Easy 2 x transistor BC 547 b LED indicator for small AC voltages (schematic and demo & more) ▸ WATCH ON YOUTUBE
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