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dc-dc boost converter

hi i am building dc dc boost converter.....volt in 5v...vout 8v .....load 2ohm...n-ch Mosfet irlz44 ...mcu pic16f628a to drive the mosfet...inductor 3.3u 18A Current - Saturation 32A..........computer...

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Help with PIC18F4550 programation to interface it with bluetooth module HC-06

Hello, Currently I am developing a student project where I want to communicate a microcontroller with a computer in wireless way. I chose the PIC18F4550 because is the microcontroller I am most...

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Transistors issue for 8 bits uC - 16F876A.

Hi Guys This has to do with my core rope project. I’m pulling my hair out here :O I send a pulse through the pulse line, and try to read the transformer outputs from the secondaries into an eight bit...

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Custom Keypad with Display

Hi, i'm a complete novice regarding electronics, so please bear with me. I want to make a keypad with a display that will control an electronic lock. I'm talking about a typical 4x4 security keypad and...

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NEC uPD78P324GJ(A) alternatives

Hello All, I would need your help in finding an alternative for a NEC uPD78P324GJ(A) 16-/8-Bit Single-Chip Microcomputers 74 pin. I'm struggling for some time now to find it, I'm from Europe and...

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A little help with a stepper motor project please?!

Hi people, I'm a newbie here and quite a green one at that so please be gentle! I'm trying to build a project and the thought process behind it is quite simple. I'll try to itemise it as well as I can....

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Design a Simple CPU Application for SMART HOME APPLIANCES CONTROLLER,VHDL...

hello... I'm really need a help to design a simple CPU application for smart home appliances controller using vhdl source hode. The design should have the Data path, Control Unit and Storage unit (ROM...

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Using interrupts to read pulses

Hi all, I am trying to use an interrupt to read a pulse. It is triggered to interrupt on change, this is fine however it will only work with 10101,if you have 11 or 00 it will skip it because there is...

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2 DOF Full 360 Flight sim cockpit using arduino mega , quadrature Encoder &...

I'm building a 2 DOF Full 360 Flight sim cockpit using arduino mega as my controller. Kindly check this link if you want to know more about my project...

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Low power techniques

Hello Everyone, I am working on a project to help me better understand low-power design techniques. The unit will make a temperature measurement, transmit the data via XBee to a computer, where it will...

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converting ethernet input to SPI

good morning all of you i i am new in embedded Linux and new to networking. the data of a PC is transported through TCP / IP in a microcontroller i have to convert the Ethernet input auf...

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ULN2803 Limiting Current Problem

Hi, I was testing a small circuit I had which I intend to recreate on a larger scale once I had the basics down. It involves using a micro controller and a P channel MOSFET to switch an LED on. And to...

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PSoC 4 Real-Time Clock

Hello frustrated, I need help in Programming . I have psoc 4200 device. when I burn below code. I see the current time and date on LCD Code (Text): */ #include <project.h> #include...

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Tachometer calculation

Hello and thanks always I am building a tachometer based on a series of pulses using a PIC18F2550 I am thinking how to calculate this and so far I have this reasoning. If the period of a pulse is...

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PIC controller resets when connected to 12V solenoid valve.

Hi, I'm working on building a circuit using PIC16F877A to control switching of a 12V solenoid Valve. The problem is when i run the program without the load the relay switches on/off continuously as...

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How to make a low power change over circuit(urgent......), for Arduino.

please any one show me how to make a change over circuit using the below relay or any other relay please help urgent...

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Arduino Nano

Hello there, Anyone try one of these boards yet? They are only about 0.7 inches by 1.7 inches and have USB connector, USB to RS232 converter chip, and of course the Atmega 328 chip SMD package. There...

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send data from MATLAB to FPGA

What is the best way to send data from Matlab to fpga? (Altera DE1) I need it to control servo motors.

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Converting a PIC DVM to output decimal

Greetings, There are a few of the PIC DVM found on the web using a PIC16F676. They are designed to drive seven segment LED displays. I have been aiming to attempt to build one to output decimal instead...

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CTMU Clarifications

hey!! I am currently working i CTMU for PIC24FJ64GA306. I reffered the data sheet and example codes given by microchip, still ctmu is not working. i am getting weired result form adc, like varying a...

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