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Schmitt Trigger using a Comparator If you follow @Majenko's advice of using a comparator, you could add some hysteresis to it with a few resistors to create an inverting Schmitt trigger. This will increase the noise immunity and thus reduce the noise going to the ESP8266. The following simulation has a noisy input transformed into square pulses. It also ...


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Your LED is connected between V+ and the GPIO of the microcontroller. This is a common arrangement because historically microcontrollers have been able to sink more current than they can source. It's also easier to make a "low side" constant current source, which this custom chip may have, to reduce the number of external components needed. To read ...


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The mkr1500 is not compatible with the sim right only the mkr1400 is working with the sim SORRY!


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