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hello sir
I have some raw data that I want to send via sim900 and receive with another sim900. as long as you did this will you please tell me how should I do that? :razz:
hello friends
I have a project that i need to interface an external modem with a microcontroller.
I know that I should use AT command for this interface but i have no refrence for this AT commands. and i need a hardware schematic to do this interface.
if you did this before or know how should...
1000a dc
hi
I have project to measure a DC current that is suposed to be around 1000A.
does anybody know how should i measure it?
P.S. I know that it is almost imposible to run this current throe a resistor and
measure the voltage because big amount of current.
thanks alot
Re: How to Connect the SIM340DZ using AT Command for GPRS Co
Hi
does anybody know any reference for AT command for external modem (56k) and its description? and hardware for interfacing modem with microcontrollers?
thanks alot
ad595 circuit
dear friends
I am using ad595 for a project and a K type thermcouple.
My problem is that ice point compensation does not work properly.
when I disconnect the thermocouple from circuit, I short circuit the input
for this test, and I get around 60 mv in output of the ad595 that...
Re: designing a loadcell
Dear friends
I want to know how to design the mechanic parts not to use a ready made loadcell.
do you know any refrence?
thankz
hello friends.
I know it is strange to ask this question here but I did not know where should I ask it.
I have to design a loadcell I know the electronic side(strain guage, full bridge, ADC,...) but I know nothing about the mechanic side. can you help me in any way. any document, paper...
hello friends.
I know it is strange to ask this question here but I did not know where should I ask it.
I have to design a loadcell I know the electronic side(strain guage, full bridge, ADC,...) but I know nothing about the mechanic side. can you help me in any way. any document, paper...
yes. it is very simple. you should run this current from a resistor like 500 ohm. it produce a voltage between 2-10 volt and then design an opamp crcuit to change it from this voltage from 2-10 to 0-5v. simple right?
free vsm for 8051
hi guys
I am using RIDE51 but it is restricted to 4kByte of codes. can you tell me any way to make it free? I mean freely because I cant buy it. any help would be appreciated.
THANKS
Re: Need Help...
hi guys
I am using RIDE51 but it is restricted to 2kByte of codes. can you tell me any way to make it free? I mean freely because I cant buy it. any help would be appreciated.
THANKS
hello everybody
I need to interface an external sram to atmega 64 and programm with cvavr.
I need to know how can I tell the cvaver that my variable is on external memory.
In keil8051 we use the "xdata " to tell the compiler that it is on external memory.
can you help me and give me some samples...
hello guys
does anybody know how can I design an on board(pcb) inductors?
I need the tips and tricks and formulas. If it ia possible. any detail would be good.
thank alot.
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