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Recent content by ashish.talaviya

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    Problem to keep GPRS connection with TCP socket

    Problem to keep GPRS connection with TCP server Hello guys, I'm using Sim 900 for TCP/IP Application. I've TCP test application running on host pc with static IP, I've tune GPRS in transparent mode here is the manual script fro gprs... AT OK Checking Simcard! AT+CSMINS? +CSMINS: 0,1...
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    Problem in SIM800 with SIM card

    Hello.... I am recently purchased SIM800 and It is replaced with SIM900A and changed according to SIM800. I already refereed datasheets of SIM800 and SIM900A. Both are identical, but slightly changed of pins in SIM800 which are non functional for SIM900A. Also Voltage Range is different as...
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    SIM900A Error: PDP DEACT. How can i solve this error?

    Hello. I am using SIM900A and made code for this. In this code, i got IMEI number, Service provider, Network strength, APN set for SIM card. After this result I set commands AT+CIPMUX=0, AT+CIPSTATUS, AT+CGATT=1, AT+CIICR, AT+CIPSTATUS, AT+CIFSR, AT+CIPSTATUS respectively. Then i use command...
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    LM2576-5.0V Power Supply Problem.

    I also tried with new piece, but all IC look like old. So it is seeming that they will not work. So i order new IC.
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    LM2576-5.0V Power Supply Problem.

    IC gives me +5V, But it, can't give current. When I connect Powerbank to charge, it can not pass current. The voltage fluctuates.
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    LM2576-5.0V Power Supply Problem.

    SMD ic can give 5V, but it can't provide 5V.
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    LM2576-5.0V Power Supply Problem.

    I have LM2576-5.0V fixed 5V output IC both SMD and Through hole. When I use through hole IC, circuit works fine. When i give 12V 2A adpter input, it gives me 5V 2A output and i can charge my 10400mAH powerbank. But when i use SMD IC, it can't give me output. All Components in circuit are same...
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    [SOLVED] Problem with FT232RL

    Problem is solved with new IC(Original IC). That IC was Chinese version, so it was not working. I can load HEX files in MCU with my designed board. It is working fine. Thank you for support.
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    [SOLVED] Problem with FT232RL

    Here is PCB layout. I installed driver. I also use FT232RL which is in built on ATmega128 board. Also my port is open.
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    [SOLVED] Problem with FT232RL

    I checked scematic and PCB layout. But it is not detecting.
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    [SOLVED] Problem with FT232RL

    I have designed FT232RL board. But it does not work. It is not detected in PC. I have attached scematic of design.
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    [SOLVED] Problem with LM2576 Power Supply

    My problem is solved. It's problem of Multimeter. Battery of multimeter is down, so it gave me wrong reading. I replaced new battery, now multimeter shows me +5V.
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    [SOLVED] Problem with LM2576 Power Supply

    Sorry, But i connected 330uH inductor between pin 2 and 4. - - - Updated - - - Can anyone give me solution about how can i get +5V from LM2576-5.0 P+?
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    [SOLVED] Problem with LM2576 Power Supply

    I use SS34 diode, 330uH Inductor. I attached image what i have done.
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    [SOLVED] Problem with LM2576 Power Supply

    ok. But can you give me solution about why i am getting output from LM2576-5.0 P+?
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