I tried it using pin 8 ( change code accordingly) - same results.
I am using a 1k resistor for the led -
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I decided to replace the led in the same spot.
Now led is not blinking and it stays on during a Temp1- alarm1 and goes off with no alarm1 -PERFECT -
I added another led for Temp0
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When Temp0 goes into alarm0 mode - LED still blinks light - Not good
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The lcd display also flashes Temp0 to Alarm0 back and forth - Not good