BITX20@groups.io | BITX40

ron van doremalen (PA3FAT) All Messages By This Member #19428 Hi, BITX40 and Arduino connected. LCD 16x2 and rotary encoder. Notice there are some birdies at approx 50Khz distance. Anybody noticed this also and know the root cause? Ron - PA3FAT
d p All Messages By This Member #19429 开云体育 Possibly from oscillator of Arduino? Or if the LCD has an LED back light. I have noticed LEDs that light up my microphone buttons do this. Regards Dave G4UFS toggle quoted message Show quoted text On 27 Dec 2016, at 17:00, ronvandoremalen@... [BITX20] <BITX20@...> wrote: ? Hi, BITX40 and Arduino connected. LCD 16x2 and rotary encoder. Notice there are some birdies at approx 50Khz distance. Anybody noticed this also and know the root cause? Ron - PA3FAT

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