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Recent content by sohailkhanonline

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    CCP Pin function of PIC18f452

    SPECIAL EVENT TRIGGER In this mode, an internal hardware trigger is generated, which may be used to initiate an action. The special event trigger output of CCP1 resets the TMR1 register pair. This allows the CCPR1 register to effectively be a 16-bit programmable period register for Timer1. The...
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    Looking for a simple RFID detector

    Re: RFID Issue hi i also have some experience in rfid and i think that Mifare modules can be an option
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    Problem with a semiconductor switch leakage current

    Re: Leakage current somehow arrange the lakage current to sink (GND)
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    Why are the eigenvalues of a matrix so important?

    eigenvalue denominator in case of system represented by a transfer function. the roots of the denominator are eigen values and their value is important to gain insigh in the stability of the systems. i think they have other advantages also but cant fgure it out.. regards
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    Help me choose a MA field to study

    hi i am new to this group so first i introduce myself. I am electronics engineer with top academic record and i graduated in 2008 from Pakistan. I wish to go for masters in my field but i need help of professionals in selecting my subject. I have interest and capability of pursuing studies in...
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    Which is the best antivirus for XP

    top antivirus for xp Bit defender is the best antivirus and in top in ranking also. All of the people who i suggested are satisfied with it.
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    Communicating to other uC at a distance of 100m or more

    Above solution is working. I have implemented it
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    pic16f877 development board

    please find the attached file it is the schematic of easy pic development board :D
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    How do smart cards precisely work ?

    magnetic wiegand strip hmmm if you have an rfid card (s50 mifare) then you can easily purchase the RFID reader writer module it will deal with card. But if you want to design your own rfid reader writer. Then following links will help https://www.openpcd.org/...
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    Ur help is needed in interfacing 4x4 keypad

    //Keypad connection: #define ROW0 PIN_A0 #define ROW1 PIN_A1 #define ROW2 PIN_A2 #define ROW3 PIN_A3 #define COL0 PIN_C0 #define COL1 PIN_C1 #define COL2 PIN_C2 #define COL3 PIN_C3 // Keypad layout: int const KEYS[4][4] = {{'1','2','3','A'}, {'4','5','6','B'}, {'7','8','9','C'}...
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    Circuit for converting from TTL to RS485/Modbus

    ttl to 485 If you need only level conversion then MAX488E is good. Download and look in its datasheet you will get wealth of information. Also note that one side of the IC is foe Vcc GND and TTL in/out connections other side have four line each pair for transmit and recieve. Place 120 ohm...
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    How do smart cards precisely work ?

    track 3 format code smart cards are of different types if you are talking about conventional smart cards then they are magnetic stripe cards and the latest smart cards are equipped with rfid technology, about magnetic swipe cards working refer to the attachments Card-O-Rama...
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    Help me with making a GPS module for a car

    Hi I am thinking of doing work with gps module, here is my idea 1. take a gps receiver module and interface it with a controller 2. somehow download the google map of my city 3. Display the map on the LCD in my car 4. Display the location of my car with marker on LCD on the map. I need help...
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    How to download a google map of a city?

    Hi i need to download google maps of my city, and also please guide me in this project Make a circuit having gps reciever module connected to LCD on which the the google geographical map of a city is displayed and the current position of the car is marked on the map such that giving a live...
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    need datasheet of TLC277P

    tlc277p Dual Precision Single Supply Operational Amplifier is this what it is you might have seen similar models like TLC277IP TLC277CP by texas instruments attached is the datasheet of TLC277IP it might help

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