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Thread
Probleme mit MAX31820 (ESP Micropython und Raspi)
and the bus must be held high by the pullup for the duration of the conversion (t CONV ) or data transfer (t WR = 10ms). No other activity can take place on the 1-Wire bus while the pullup is enabled. Also nach Command den Ausgang mit Totempole auf High (nicht einfach nur open collector sperren)