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The DC bias of the left and right signal (Lout & Rout) is fed to the Q1 transistor to turn the
LED on when the FM receiver is in use. The left and right signals (Lout & Rout) are terminated at
the 3.5mm audio socket where you can plug in your small speakers or a headphone. These audio
signals are also connected to the through-hole connectors (labelled “B”) on the circuit board so
you can essentially integrate this module into other applications.
6. Assembly:
1) In order to assemble the module, you need the following tools:
*It is recommended to have some isopropyl alcohol and a fine soldering brush handy
to clean off the excess flux on the circuit board when done soldering.
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