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Recent content by WhyWhy

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    Android Bluetooth Development Book

    Hi Guys, Do you guys know any Android book that got included the tutorial for bluetooth development ( Receive & Send Data)? I need it for interface between android with my PIC18F microcontroller.I already create the basic turn on/off and write/send bluetooth using eclipse but i wish to know...
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    Arduino HC06 Cannot turn on and off LED

    Hi Guys, i followed the instruction from Arduino HC06. I can use serial port ( Com 3 ) to turn on & off the LED by sending the command f or n at Arduino Leonardo as what he did. But when i connect the HC06 with my TeraTerm ( Bluetooth Terminal ) , it unable to type any command in it after...
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    Arduino HC06 vs HC05

    Hi guys, As i know, HC05 can use as master and slave mode,Whereas the HC06 only can use as slave mode. Currently, i having the HC06 and doing the bluetooth connection between arduino and android device. The HC06 slave mode will affect the send/receive data from arduino? I not really...
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    Arduino interface with PHP website textbox

    Hi Udayan92, My problem now is able to display on LCD, but cannot display data into the PHP Website Textbox. Something like : <input type="text" name="Temperature"
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    Arduino interface with PHP website textbox

    hi guys, I want to know the way to transfer the temperature sensor data from arduino and send it to my PHP website textbox. I had successful get the temperature from the arduino and display at LCD. And I using HC-06 module as my bluetooth connection between arduino and my laptop. Please help...
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    [SOLVED] LM317 output not 3V after 7805 regulator.

    Borber I tried the way like that before, it's works fine. But is it an ideal way ? crutschow i tried to connect it directly from 9V adapter, it's works fine with the output around 3V.
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    [SOLVED] LM317 output not 3V after 7805 regulator.

    But i get the output from the 7805 voltage regulator was 4.85V. By right, it should be no problem right?
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    [SOLVED] LM317 output not 3V after 7805 regulator.

    Hi Guys, i started to build my own voltage regulator with difference voltage as 9V,6V,5V and 3V. So, I have one 9V adapter and connected it to the 7806 voltage regulator which gets the output 6V. From the output of 7806, i connect it to the 7805 Voltage regulator which gets the output 5V...
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    [SOLVED] Voltage regulator 7809,7806,7805

    Hi Guys, I wanna build a circuit with different output voltage from 12V->9V->6V->5V. When i build the circuit like 7809 voltage regulator, it require 3 capacitor to get 9V output. After i get the 9V output, was it necessary to build a 6V output with 7806 and 2 capacitor or without capacitor...
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    [SOLVED] How to produces 3v output using LM317

    Hi all, I understand the concept right now. Thanks Alot :laugh: Regards, YY
  11. W

    [SOLVED] How to produces 3v output using LM317

    I mean the Reference voltage remain 1.25V even i change the input from 6V to 12V ? And 1 more thing is the R2 got specific value, example: 10k,20k or 100k ohm ?
  12. W

    Routing Problem in eagle

    Hi guys, Normally my friend will use ripup and route to connect those error line after the autorouting for reducing the error after DRC. Is there any easier way than the manual routing? Thanks Regards, YY
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    [SOLVED] How to produces 3v output using LM317

    Hi guys, i have some doubt for the LM317 voltage regulator. According to the link below, it's say the reference voltage=1.25V. 1) Where did the 1.25V comes from? 2) Changing the value of the Variable Resistor ( R2 ) can get difference value of output? 3) The formula shown in the picture can...
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    PIC16F877A interface with Infrared programming

    Hi guys, i had connect the circuit as the picture, but i connect the RA0 with a infrared receiver ,and the RD7 for the Infrared transmitter and all the each PORTB has one led. I put the infrared very close to each other, it still nothing happen. My programming got error? Please help. Thanks...
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    How to spin a brush using dc motor

    Hi, Actually i want to do something like this video. But i wondering how the brush mount with the motor, So that it can spin in circle and send the dirt to the vacuum cleaner at the middle. Actually the thing is called as brush right? https://www.youtube.com/watch?v=x_wuV7skV7U

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