Arduino: Simple LCD Thermometer with USB interface

Attention: this page is work in progress.

My motivation for "Simple LCD Thermometer with USB interface" is my server room. It is important to keep temperature and humidity in correct range. I am using automatic monitoring to be sure that everything is in "green" state. Previously I was using Conrad TFD 128 logger. It is good product but it have several design problems. To fulfill my needs I created my own device.

Technical specification

• Temperature and humidity collected in 10 second interval
• LCD interface with warnings (hot/cold, wet/dry)
• LCD interface with 5 tactile keys
• History and debug information on LCD
• USB interface with simple text oriented protocol
• Historical data stored in RAM memory readable via LCD and USB interface
• Historical data with 5 minute interval (up to 60 minutes) and 1 hour interval (up to 72 hours)
• Internal mCPU temperature monitoring

• buzzer ?! (TODO: potrebujem aj pipanie ?)

LCD Interface

My motivation for "Simple LCD Thermometer with USB interface" is my server room. I have small server room with rack. I am monitoring temperature and humidity to be sure that equipment is in good environment. Previously I was using Conrad TFD 128 dataloger. It

Motivation: I have rack in small server room.

I nee note: Interny merac teploty ?

Startup screen

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Normal LCD screen

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Dewpoint

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History

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Debug screen

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