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Hi ,
what request you are sending to the meter is correct, after sending that request you will receive a serial number. you try to verify the cable connection between your system and meter.and one more thing you should concentrate on baudrate, parity bit and stop bits .
Hi,
I am interfacing PC with LED Display module using ethernet cable, I have a software in my PC to upload image to the module, now i want to see the data packets when my PC sends data to the led module, i thought of interfacing intermediate PC between my PC and LED display module, but i am not...
Hi Everybody,
i have planned to design SMPS with 5V, 40A output, i got the below circuit from internet , can you please explain the circuit how it works? i need to know after secondary winding of the transformer T2 and transistor q1 and q2 working.
Thanking you
hi sir, i am establishing gprs communication with sim900 modem , i am interfacing sim900 with micro controller and estblishing gprs connection , i thought to no use micro controller. can i burn the AT commands to sim900 modem? i want the option that when i switched on the sim900 modem it has to...
HI sir i have also planned to use single micro controller for multiple UART, i got to know from other site that i can use dual multiplexer ,but i am facing problem because now am interfacing 3 GSM modem with microcontroller using mux 4052 and 232 converter. actual the problem is i can't give...
Hi i called to network provider but they do not know about these CSD call, they told we don't have options like this.
yes i have tried with +CSNS and +CBST, in CBST i have tried all the chance( AT+CBST=7,0,1/AT+CBST=12,0,1/AT+CBST=71,0,1
Hi everybody,
i want to establish data call between two modem. i have interfaced two modem to the different PC and calling using AT commands,
i have set below AT commands to establish data call but still am getting NO CARRIER response from modem.
I have used AT+FCLASS=0,
AT+CBST=7,0,1...
hi everbody..
i am using sim900 gprs modem as TCP/IP server and client and establishing TCP/ip connection in transparent mode using dynamic IP of the GPRS modem(dynamic ip i will get when i send AT+CIFSR command to the modem). and i am using BSNL sim.. Please guide me how can i get static ip...
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