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Recent content by aankur

  1. A

    P-Channel MOSFET always on

    Hello I am using a MOSFET driver circuit with SI2303 as p-channel mosfet and SI2302 as n-channel mosfet. I have given control signal (of 5V) on the gate of n-channel mosfet to turn-on and off the p-channel mosfet. However, the p-channel mosfet is not getting off and I am constantly finding...
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    Can mosfet driver supply continuous current of 2Amps?

    Hello I am using a MOSFET driver circuit to supply power from one section to another section in my design. I need to pass 2Amps current from one section to another section in my design. I have selected SI2301 (p-channel mosfet) and SI2302 (n-channel mosfet). My application is a continuous...
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    USB not recognized for pic18F14K50

    Hello I am trying to make USB connection to PIC18f14k50. Following are connections :- Pin 1 (Vdd)------>5V Pin 2 & 3 -------->External crystal oscillator (20MHz) Pin 4 (MCLR)------------->Pulled high with 10K Pin 20 -------------------->GND Pin 17---------------------> capacitor (0.1UF)...
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    Issues PIC16F1503 micro-controller with internal oscillator

    I am using PIC16F1503 for my automotive application. I want to understand few things:- 1)I have gone through through the schematic present in the "https://ww1.microchip.com/downloads/en/DeviceDoc/50002295A.pdf". In this, PIC 16F1503 is not having external oscillator. I want to know if it is...
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    UART Communication between GSM and GPS

    I want to establish a UART Communication between GSM and GPS. The Supply Voltage of GPS is 3.3V. The Supply Voltage of GSM is 3.8V. The measured RX/TX Voltage Levels of GPS is 2.8V and 0V (for logic High and logic Low). The measured RX/TX Voltage Levels of GSM is 1.8V and 0V (for logic High and...
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    UART Communication between 2.8V and 1.8V

    I want to establish a UART communication between two modules. The Rx/Tx Voltage levels of the modules are 2.8V and 1.8V. Also, I have only 3.3V as the supply voltage on my board. Kindly guide me as to how can I perform this level shifting. Thanks
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    [Moved] Using f macros with altsoftserial in aurduino

    hi , I am using Arduino uno and i am running out of SRAM. I came through F() Macro but it saved memory for Serial.println() and with software serial object. But most of my code use Altsoftserial libraray object and there i do not see any SRAM memory change if i use F() macro in print...
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    [General] GSM Sleep Mode question

    What is the difference in the following two modes? 1> GSM in sleep mode 2>GSM is on but not doing anything Ofcourse, there is a differnce of power consumption but do they differ functionally also? Please comment Thanks
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