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Normally related to EMI (see [tag:emc])

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. I realised then it should be an interference with the audio frequency. The player has a built-in 3W amplifier so probably frequencies are going through the power lines and mixing up with the RF. If … I power the audio player with a different power supply it works, but is there another way of avoiding this interference using the same power supply? Or maybe, would another type of RF module work …
asked Dec 26 '17 by Chu
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I found a simple solution filtering the interference noise by adding 2x 1000uF capacitors in parallel between the power lines near the receiver. …
answered Dec 27 '17 by Chu