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I'm using multitasking where task A is sending on com3 defined on pins 11 (TX) and 12 (RX) and task B is doing a PutPin (high) on pin 13 for .5 sec followed by PutPin (Z). Pin 13 is connected to the DQ term of a DS18S20 as follows: +5 | 4.7K | VDD, GND tied to ground BX24 term 13 ------------------ DQ DS18S20 Noise occurs on the com3 transmit unless I use a semaphore to gate the com3 PutQueueStr with the pullup on pin 13. Anyone have suggestions to avoid the semaphore hack? Thanks

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