DHT 11

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hello,

i trying decipher how code 2 dht11's such arduino comparing data , operating  relays (alarm) when 1 dht falls below another.

the alarm audible 1 20 secs or , visual (light) stays on until reset.

the system not 'arm' first couple of minutes after reset.

i new arduino , struggling number of different sketches , how interpret them.

can point me "real idiot" guide?

i not per se interested in actual values fact difference exists. humidity concern start - i'll worry temperature , displaying values later - later!!!.

thanks



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