K-Tech

  Unlock Samsung Galaxy M31 Forgot your  Samsung Galaxy M31  password or pattern lock? This article explains easy methods to unlock your Samsung Galaxy M31. HardReset.info: If your SAMSUNG Galaxy M31 is locked, then the first thing that you need to find out is the locking reason. We would like to present the types of blockages that your SAMSUNG Galaxy M31 may have. screen lock blockade -  locked by password, pattern or face lock. To successfully remove that kind of blockade, you need to use  Android Recovery Mode , where you will be able to successfully accomplish  Hard Reset  operation.  Click here to Hard Reset  by using  Android Recovery Mode  will erase everything that is stored on your SAMSUNG device.   Google Verification  /  Factory Reset Protection -  in a situation when you forgot Google account login details. You need to find out how to activate your SAMSUNG Galaxy M31...

  Easy DIY Metal Touch Sensor with Arduino for School Projects 100% Working: KY-036 Metal touch sensor Module Arduino: KY-036 Metal touch sensor Module with Arduino – In this article, we will learn how to use the  KY-036 metal touch sensor  Module and its use with the Arduino Uno or Arduino Nano. The  KY-036 metal touch sensor module  features a Darlington and PN transistor, the signal of which is controlled by  LM393 comparator IC  which consists of two comparators. When you touch the bar wire meant over the transistor which is represented by the base of the transistor. The 50 Hertz signal around us in a modern home or office is injected into a high gain amplifier the output of this amplifier is connected to the comparator. The AC signal is then converted to the square wave. We can adjust the sensitivity of the sensor by adjusting the trimmer. When we will touch the sensor the led will starts blinking. If you look closely at the led you will see a sli...