Blog – Page 3 – Md. Khairul Hasan

November 18, 2019

Reading data to PC from a cheap multimeter – 3

The mighty DT830D multimeter. DT830D Multimeter battery removed After opened, the meter looks like this. DT830D Meter Opened, not showing the back cover. The LCD pads has 31 pins. Among those, 3 pins are shorted…

Uncategorized

khairulhasanmd@gmail.com

November 9, 2019

Reading data to PC from a cheap multimeter – 2

To read the data from a multimeter, at first i have to determine the individual pins of LCD, which is connected to which segment, the microcontroller voltage to drive the LCD and the nature of…

Uncategorized

khairulhasanmd@gmail.com

November 8, 2019

Reading data to PC from a cheap multimeter – 1

I was fascinated of getting data to PC to conditionally control other things, or making graphs to make the thing more understandable. There are RS232 capable, even bluetooth capable multimeter are available but those costs…

Bluetooth Hacking

khairulhasanmd@gmail.com

December 18, 2014

Bluetooth Robot-3

The final physical looking of the Blueooth robot. This thing looks like a toy, isn't it? Well, this(robot chassis/mechanism) is taken from two toy cars. Then the extra portion are cut off and glued together…

Uncategorized

khairulhasanmd@gmail.com

December 18, 2014

Batch script to prepare Windows 7 Bootable Pendrive.

Its easy to prepare Windows 7 Bootable Pendrive if you know some commands. However, you will forget the commands and their sequence easily when you need to setup windows next time later. To overcome this…

Bluetooth Bluetooth Car Programming

khairulhasanmd@gmail.com

February 16, 2014

Android R/C Car Control Over Bluetooth

Its really fun to control a R/C car from a android phone. However in my previous post i have discussed how to control a vehicle by bluetooth from laptop or android phone. That has a…

Bluetooth

khairulhasanmd@gmail.com

February 16, 2014

Bluetooth Robot-2

I will discuss the circuit diagram and mechanical description of the bluetooth robot now. Here is the previous post that contains the program. Actually, It's not a robot. It's some kind of remote controlled car…

Bluetooth

khairulhasanmd@gmail.com

January 6, 2014

Bluetooth Robot

I am testing around a bluetooth module. And this is the result of the test. I have recently bought a HC-06 bluetooth module, and after couple of hours of searching in the internet, I've figured…

Hacking

khairulhasanmd@gmail.com

December 18, 2013

Camera Hack

I have got a couple of webcams, those seems useless to me. Sometimes i dream to have a binocular which can do video recording and zoom further away just like the spy movies ha ha.…

USBasploader

khairulhasanmd@gmail.com

December 15, 2013

Atmega32 usbasploader-3

Description about the hardware part: I'm sorry i can't give you the exact circuit diagram because i have made this project before one year and that was a trial and error based project so no…