Posts by Kiran Saleem

In this tutorial, we are going to make a "Pulse Width Modulation Circuit". A pulse width modulation signal consists of electronic pulses tha…

In this tutorial, we will make a "Mobile Phone Detector Circuit". A mobile phone detector device can identify the existence of an activated…

In this tutorial, we are going to make a "5V USB Audio Amplifier Circuit Diagram". Audio amplifiers which are designed to work with a 5 V su…

Most occasions in electronics call for a voltage source set to a specific value. However, some situations are more concerned about how many…

Here we design a simple "Volume Level Indicator" using transistors, this circuit included a condenser mic to receive the audio or sound and…

In this tutorial, we are going to make a "100-watt Inverter circuit 12V to 220V using Transistor". A power inverter is a power electronic de…

In this tutorial, we are going to make an "NCR320Z LED Driver". An LED driver is an electrical device that regulates power to an LED or a st…

In this tutorial, we are going to make a "Simple PAM8403 Audio Amplifier Circuit". PAM8403 is an Amplifier IC. This IC is a filterless dual…

In this tutorial, we are going to make a "Simple Overvoltage Protection Circuit". Over-voltages are all voltages that temporarily surpass th…

In this tutorial, we are going to make a "5v Dual Power Supply Circuit". The objective of this project is to convert 220V AC supply into +5V…

In this tutorial, we are going to make a "Square Wave Pulse Generator Circuit". In digital circuits, we need an external square pulse as a c…

In this tutorial, we are going to make a "Voltage Follower Circuit Using op-amp 741o Amplifier Circuit". A voltage follower is a unity-gain…

In this tutorial, we are going to make a "Variable LM317 voltage regulator circuit". As we know a regulated power supply is essential for se…