WHAT IS ARDUINO
It is fair to say that Arduino is a revolution in the electronics industry. Programming a microcontroller can be a daunting, tedious and strenuous task even …
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TRANSFER DATA BETWEEN NODEMCU AND WEB BROWSER
Answer is HTTP. What is HTTP? HTTP stands for Hyper-Text Transfer Protocol. Quite a mouthful isn’t it? Let’s break this down word for word. Let’s start with …
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WHAT IS PULSE WIDTH MODULATION (PWM)
Pulse Width Modulation is a technique used to simulate an analog signal by using a digital signal. So how does PWM work? The objective is that we need to con…
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A BREADBOARD
Let's begin: The slots in the breadboard are electrically connected. When you remove the adhesive backing, you can see lots of horizontal rows of metal …
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AN LED(Light Emitting Diode)
A light-emitting diode(LED) is a two-terminal semiconductor light source. When sufficient current is applied across its terminals, electrons, and holes wit…
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AN LDR (Light Dependent Resistor)
A Light Dependent Resistor (LDR) is a component whose resistance varies with the light intensity falling on it. A typical LDR is pictured below. The most co…
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A VOLTAGE DIVIDER NETWORK
A voltage divider is a simple circuit that turns a large voltage into a smaller one. Using just two series resistors and an input voltage, we can create an o…
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A SWITCH
A switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. Some switch…
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