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This Project is used to indicate the temperature and it is also used as controller. The system will get the temperature from the IC and it will display the temperature over the seven segment display and this temperature was compared with the value stored by the user and if the Room temperature goes beyond the Preset temperature then an alarm is switched ON until the stop switch is pressed. The System is fully controlled by the microcontroller AT89C2051. It is a popular 8 bit microcontroller. The circuit consists of four switches, in which two buttons are used to increment and decrement the temperature value and the next button is to start the Thermostat function and the other button is used to stop the thermostat function. All the above functions are monitored and controlled by the 8 bit microcontroller AT89C2051.
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sachinmm
Sat Jan 31 2015, 05:23 AM
hello sir,i ask the question related to 7 segment display plz help me.
Thu Jan 29 2015, 11:24 AM
durai
I found discussion relevant to my problem (link:http://www.8051projects.net/t59199/gsm-cdma-discussion/flashing-new-firmware-in-sim900-modem.htm) but i could not find the project mentioned in that discusion
Thu Jan 29 2015, 11:21 AM
durai
Hi i am using a SIM/900A GSM modem, I want to send email with an attachement using a microcontroller but when i try to use AT_Email commands it gives me error,I think modem doesnot support those commands,is there any other way to send mail using that modem??
ajay_bhargav
Thu Jan 29 2015, 06:54 AM
@gaurav, please mail me message you're trying to post.
ExperimenterUK
Thu Jan 29 2015, 01:17 AM
bhagyesh.bhavasar/gaurav.k I can post with Firefox. Can you try other browsers ?
naqirizvi
Wed Jan 28 2015, 08:08 AM
the web theme is too much buggy and heavy , admin please change it to simple theme, so that user can browse quickly
naqirizvi
Wed Jan 28 2015, 08:07 AM
some one please share software name or ebooks related to avr
bhagyesh.bhavasar
Tue Jan 27 2015, 11:06 AM
i want to share my project but there is problem occurred during postng
bhagyesh.bhavasar
Tue Jan 27 2015, 05:58 AM
@ExperimentalUK i have used that purple button but same as previous it takes me to blank page
ExperimenterUK
Sun Jan 25 2015, 08:10 PM
This box is for chat. Post problems in a suitable forum

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Comments

sachinmm
Thu Jan 29 2015, 07:09 AM
nawfel
Sat Jan 17 2015, 07:27 AM
Rohi123
Sat Jan 10 2015, 11:00 AM
safakarici
Fri Jan 09 2015, 08:55 PM
Nikita_Pinjare
Thu Jan 08 2015, 03:10 PM
mayank058
Wed Jan 07 2015, 05:43 AM
Overeating
Tue Jan 06 2015, 05:56 AM
trancebreaker11
Sun Jan 04 2015, 07:42 AM

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Forum Activity
sankalp_s Avatar
Posted By sankalp_s
Fri Jan 30 2015, 05:40 PM
you need to remove jump statements from main progr...
mayank058 Avatar
Posted By mayank058
Fri Jan 30 2015, 07:02 AM
dear sir, please tell me how to do t...
ExperimenterUK Avatar
Posted By ExperimenterUK
Thu Jan 29 2015, 10:41 PM
T he P89V51RD2 P1.5, P1.6, P1.7 has extra curren...
ExperimenterUK Avatar
Posted By ExperimenterUK
Thu Jan 29 2015, 06:45 PM
@naqirizviAs you already have a thread running I t...
naqirizvi Avatar
Posted By naqirizvi
Thu Jan 29 2015, 02:11 PM
Circuit diagram i am following i am not sure is it...
naqirizvi Avatar
Posted By naqirizvi
Thu Jan 29 2015, 02:11 PM
Circuit diagram i am following i am not sure is it...
naqirizvi Avatar
Posted By naqirizvi
Thu Jan 29 2015, 02:11 PM
Circuit diagram i am following i am not sure is it...
naqirizvi Avatar
Posted By naqirizvi
Thu Jan 29 2015, 01:50 PM
Hi,I am new to programming got some issues in RFID...
sachinmm Avatar
Posted By sachinmm
Thu Jan 29 2015, 07:21 AM
hello sir, plz tell me the circuit diagram interfa...
ajay_bhargav Avatar
Posted By ajay_bhargav
Thu Jan 29 2015, 06:28 AM
Moreover I see the segment Anode is connected via ...