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I am trying to send AT commands from PIC16f877a to sim900.I am trying to send each command ,then wait for the response and if response is received the response is cleared.Then the next command is sent.But i am facing problem when the response is cleared.The correct response is not being detected by the microcontroller.Please help me with the (...)
Hello, I am going through "Microstrip Filters for RF Microwave Applications 2nd Edition" by Hong, and am not entirely satisfied by the explanation of coupled resonator circuits (chapter 7). when analyzing these circuits, they quickly dive into forming an impedance matrix, which makes sense. But the next step is to normalize the nxn impedance (...)
Thanks for response....i know that i should have used the system clock instead of clock_5, but it is not creating any problem. It may not be causing you a problem now, but quite easily cause a problem the next time you compile the code. Or when your chip gets hot. Or when you put it in (...)
Project: 7 segment LED board with 4 different digits. Each of the individual digits will cycle from 1 to 2 to 3, etc. up to 9, then 0 and start over. There is a separate tactile button for each digit. Button goes to transistor which connects the a pin from the atmega328 chip to ground to signal the action to change numbers. Through testing of vario
hello printf(lcd_putc,"\f\%02d:\%02d:\%02d \%cM\n", hrs,min,sec,time); \n is next line commande. go to next line ! try to remove it.. BTW what is \f ?
hallo i'm trying to one project my own interest using p89v51RD2 muc i have one problem my project is GSm based so my code working well on keil while debugging, but when burning on chip it's not working , actual problem is one receive and transmit complete after clear buffer and i value then next receive data is "miss match" then (...)
Thanks but it needs too many pins.....surely there must be some DAC into which you can clock a digital value,by pulsing a "send" pin to say you are sending, then send a bit, then pulse send again to say you are sending the next bit, and then at the end of all that, say "bit sent" with another pulse to a pin........"bit bashing"...surely there are c
when I say yes, what's the next question?
Because it depends on the time between two events-the rising edge of a clock and the change in state of data. Hold time is just that, TIME, not FREQUENCY. The concept of hold time is: the data must remain constant for HOLD TIME seconds after the clock edge. It doesn't matter when the next clock edge occurs.
Hi We all know blocking statement block the execution of next statement until current statement execution and assignment completed. but when we use forever in verilog , should be use non-blocking type of statement ? otherwise all statement will not executes in parallel .. . Rahul
Hello! Recently I became interested in next question: theoretically there is a way to get a spectrum of wideband signal (band dF) if you can not follow the terms of Nyquest theorem when digitizing this signal? In other words what if I want to get the spectrum with minimal distortion of the wideband signal (with the band ΔF), but (...)
when i am trying to link the three modules i am getting it compiled successfully but i am not getting the output of pid correctly... So your next task is learning how to debug Verilog code. Did you already hear the terms simulator and testbench?
Hi All, How to implement big FSMs? when number of states is too big, implementation of such FSMs using regular bubbles become not practical... So, how to overcome this problem? Probably implementation of the next State logic using memories would be good? Please help. Thank you!
just tell me one thing when voltage decreses after going to peak capacitor will hold peak value or the low value. i need peak voltages at various time intervals. as my voltage source goes up and down. practicle circuit measures the next lower voltage but simulations dont. I'm not sure what you mean with "the next lower (...)
Hello everybody, I want to know how to handle issue of counting with timer1 in ccs c compiler I do not know how to set it up. Could you please help me?? I want to count the time elapsed from when a square wave appeared at the RB0 up to the next time when that event appears again (means 0-1 transition),this will help me (...)
There is an enormous ratio between the least significant bit (its resistance, that is) and the most significant bit. You do not want the following device to load your network. Therefore when you select an output resistance for your LSB, it should be low enough that a low or high makes a difference to the next device's input. Suppose you (...)
Could you show your code please? Some points: 1. Don't forget to add the start and stop bits when working out the data throughput (so with one stop bit, each data byte requires 10 bits of serial). 2. While a single byte will be sent at the baud rate, there is nothing to say the next one will follow immediately. Are you using handshaking or (...)
I meant to say, that writing your own code is easier than reading an 8051. next i suggested "lock" your microcontroller when you yourself program your own code as certainly there may be many more enquiries about how to "break" it as you have posted now:lol:
Hi, What should we do next if we have none-zero DRC (Design Rule Cost) value after synthesizing with synopsys design compiler? I appreciate it if you could tell me what are all the steps and when we should say "OK this is good enough!" Thanks Alex
Thank you for information, however there I can't diagnose a problem. Please next time give me information when (what hour) this happened. Yes this can be because high servers loads.