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Recent content by Titus Manoj Kumar

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    [51] E - Book of 8051 Microcontroller and Embedded Systems.

    Dear All, Could anyone attach the link or the pdf for the book, "The 8051 Microcontroller and Embedded Systems" by Muhamed Ali Mazidi and Janice Giliispie Mazidi. Thank you.
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    [51] 8051 Timer Interrupt Programming.

    Dear All, Am working on 8051 Timer Interrupt Programming. Specs: Timer 0 Mode 1. Need to blink an Led for 30 seconds. Xtal Freq: 11.0592Mhz. I've pasted the code below. Could you please identify the errors in it. If so could you give me the complete code for it. It'l be a great help. Thanks...
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    [SOLVED] 8051 Timer Programming.

    Thank u so much Disha Karnataki.
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    [SOLVED] 8051 Timer Programming.

    8051 Timer Functions. Dear all, I need to control a DC Motor with a period of 3 minutes using timer function. So whats the xtal frequency should I use? And what are the values should i load into TH0 and TL0 registers? Please do help. Thanks.
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    [SOLVED] 8051 Timer Programming.

    Baasa, Thanks much for the help. I need to control a DC Motor with a period of 3 minutes. So whats the xtal frequency should I use? and what are the values should i load into TH0 and TL0 registers?
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    [SOLVED] 8051 Timer Programming.

    Baasa, Timer Mode is Mode1. freq : 11.0592Mhz.
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    [SOLVED] 8051 Timer Programming.

    Dear All, Am working on 8051 timer programming. I have a doubt in that, TH0 = 0xFC; TL0 = 0x66; Here as we know the Timer 0 reg.is assigned a hex value of FC66. This one is said to be the estimated value for 1ms delay. How do we calculate the time with regards to hex values.? Please help...
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    AC voltage connectivity to DC Relays.

    Dear all., Could we able to control a 220 V A.C by a 12 or 5V DC Relay? Needed Help.! Pls do rep. Thanks.
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    ULN2003 and 12V DC Relay clarrification.

    Hi Murali_dece, Here is the image., https://obrazki.elektroda.pl/5747388000_1394892247.png Yes I did connected the 8th pin of ULN2003 to negative of 12V. - - - Updated - - - - - - Updated - - - Hi BenJons01, Am using it for switching the cylinders in Injection Molding Machine. My project...
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    ULN2003 and 12V DC Relay clarrification.

    Hi., Am working on 12V relays and ULN 2003 using ATMega16. The simulated model attached. **broken link removed** Is this schematic correct? Relay is switched in the simulation but not in hardware. Output (1C) pin of ULN2003 is not varying, it is constant 12 V. Note: Power supply given to the...
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    [AVR] Fuse Bits for AVR ATMega16

    Hi., Am using ATMega16 with external clock of 16 Mhz. Am using extreme burner software. What is the exact value of the fuse bits (low fuse and high fuse) to be set? Please do help. Thank you.
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    [AVR] Transformer Current Ratings.

    Hi., Thanks for the replies. Got a solution for my previous post and it works. I've another clarification. What is the current rating should i use for powering up a 12V relay? Am using 12V 1amps. Is it Okay? And also how to determine the current ratings for a device? Thank you.
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    [AVR] ULN2003 and Relay clarrification

    Hi., Am working on ULN 2003 and relay switching a simple device (buzzer). When i tried to connect one of the collector pin (1C) of the ULN to the relay, the voltage becomes constant. Without connecting to the relay the voltage varies but when connecting voltage becomes constant as said...
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    ATMega16 development board

    Hi., Thanks for the response. Am connecting my AVR board to PC through USB. Burner Software name : AVRDude/ Error Message as "USB Device not supported" Thank you.
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    ATMega16 development board

    Hi., Am using a ATMega16 development board. When i replaced the ATMega16 IC with another ATMega16 my device is not supporting when connecting the board to the PC. What's the bug? Thank you.
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