Thermometer using Nokia 3310 LCD

Many of you should made Thermometer using LM35 and 2*16 LCD its very simple. Nokia 3310 LCD is very handy to use in this kind of applications, it is slim and have a lots of graphical details options, you can make symbols, icons with your display too.This project will guide you to make a Thermometer using Nokia 3310 LCD, you have to use Library of this LCD which is available on this site to get it click Here, try making different kind of Display Graphics using this Library  
This Project uses PIC12F629 and DS18B20, one wire temperature sensor from Maxim IC Reports degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it - allows for a huge number of sensors to be used on one data bus.

Technical characteristics :

• Voltage ....................... 3 - 3.3 C
• Range (1) ....................-55 do 125' C
• Min. temp. step ............ 0,1 ' C
• Max. error ................... +/- 0,5 ' C
• Max. resolution ............. 0,0625 ' C
• Temp. refreshed every.... 1,2 sec.<
• Dimensions ................... 40 * 38 mm
• 2 modes of display .........normal/inverse
• Lcd ............................. 84*48 pixel
• Amperage (2)................. 0,2 mA - 0,8 mA

1. Range of -55 to 125°C is possible if ONLY the sensor is in that area not the whole device!
2. Amperage of the device varies because of the conversion of DS18B20 (measuring the temperature and reading the measured temperature), that lasts about 700ms and at that time the device uses 0.8mA, for the next 500ms the device is in “sleep” mode and uses 0.2mA.

Schematic Diagarm

Download files and more info: http://www.ivica-novakovic.from.hr/Nokia%20Lcd%20Termometar-eng.htm

· Santosh on November 03 2011 · In 8051 Microcontroller · 1 Comment · 24962 Reads ·

Comments

#1 | Lionel on August 17 2012 20:48:26

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