Dear Binu Pls note all those who are trying the project may fail as the 3 pin RF module now available in the market is different from that you...
The lock draws a large current use thick wire.First of all, ensure that the DC 12 volt is capable of giving at least 1 Amp.Use the transformer...
Great Binu Great! Bluetooth is a great word. No wonder why every one is so thrilled about it. But if it is a question of controlling some loads,...
We aready have ethernet card in the systems at both PCs which are in network. Should we also have the serial to ethernet converter? But why? We...
Every time we after entering thr password while we put the computer IP address and clik connect it says invalid connection .Pls check
hello binu we also have same problem as SDSJAN reports.Pls answer when the IR's are cut in the order 1 then 2...upcounting is taking place...this...
SOME PLACES SDA1 & SCL1 and again some places SDA & SLA throughout the code I am not able to understand which one group is correct?
THE CODE HAS ERRORS STILL.Pls veryfy the port declaration SDA EQU P1.2 ;SDA=PIN5 SCL EQU P1.1 ;SCL=PIN6 Again SDA1 EQU P2.3...
RFID security code mentions attendance code. code does not use port 2.4 to 2.7 atall any where but it is there in the circuit for driving the...
Further to the above let me mention that the LCD display both for the RFID Security and the RFID Attendance shows "attendance display only"Is it...
I am suprised to note that so many are reported to have tried the circuit and no body has yet raised a point that the code does not mention any...
The HEX code from your assembly code from your website link also shows errors even after modifying the file to $mod51
sorry for posting 3 times,It happened because the message was an error message after posted once,then again,then again.
Most of the time the codes do not match your ckt.Why is this problem?In several circuits this is a major problem. Code MOTOR EQU P1 COIL1...
When we connect the data out from the microcontroller directly to the data in of the receiving microcontroller it works fine but while we connect...
Is the circuit & the PCB fall in line with the following code for Buzzer? As mentioned in your code-----------BUZZER EQU P0.7
In many cases your ckts use pull ups for non P0 ports.While they are already internally pulled up why is it necessary to use pull ups?Like that of...
Thanks,Though I was knowing the P0 open drain point it did not strike my mind.I think one can use any other port other than Po without use of...
You advise to remove that line while using your on line assembler & we did that before uploading.However while we use Keil we usally do replace...
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