Near Field Communication NFC, NFC Technology Explained

NFC (Near field Communication): Near field Communication or NFC is a technology that requires two devices to be within its proximity of each other and to elaborate on this if we have... Read more »

Ring Counter and Johnson Counter explained

Ring counter: A ring counter is typical application of the shift register. In ring counter we store one bit in flip flop and it will rotate in the whole system. We will... Read more »
pcb tinning

PCB Tinning to improve PCB traces current rating, apply solder to PCB traces in eagle

PCB Tinning, Description: PCB Tinning & how to apply Solder to PCB Traces in Eagle– I have these two PCBs with standard 1.6 mil copper thickness. The one on the right side... Read more »
Conductivity Meter

Conductivity Meter working principle Explained, Endress Hauser Memosens CLS82D

Conductivity Meter, Description: Conductivity Meter working Principle- In this article, you will learn the very basics of conductivity meter, everything will be explained with the help you images. Do you know what... Read more »
Types of relays

Types of Relays and how to use them? SPDT, DPDT, and Solid State Relay

Types of Relays, Description: Types of Relays and how to use them- Relays are available in different shapes, sizes, voltage, and current ratings. We have mainly two types of relays electromechanical Relays... Read more »
LDR Light dependent resistor

LDR Light Dependent Resistor, Photoresistor LDR Working, LDR based Projects

LDR Light Dependent Resistor LDR Light dependent resistor is a Photoresistor whose resistance increases or decreases with the intensity of light. Photoresistor is the combination of two words photon which means light... Read more »
Cell Phone Signal Jammer

Cell Phone Signal Jammer Circuit using 555 Timer IC

Cell Phone Signal Jammer Project Description: Cell Phone Signal Jammer using 555 Timer IC– In this tutorial, you will learn how to make your own low-cost Cell Phone Signal Jammer using the... Read more »
DTMF DECODER

DTMF Dual Tone Multi Frequency, MT8870DE DTMF Decoder

DTMF Description: DTMF “Dual Tone Multi-Frequency”– In this tutorial, you will learn how to use the MT8870DE DTMF Decoder IC with any cell phone and control different electrical loads from anywhere around... Read more »
Sine wave generator

Sine Wave Generator using IC 741 OP AMP Operational Amplifier

Sine Wave Generator Description: Sine Wave Generator using IC 741 OP AMP Operational Amplifier- In this tutorial, you will learn how to make a stable Sine Wave Generator or Oscillator using IC... Read more »
salvage electronic parts

Salvage Electronic Parts #2: electronic components from Old Laptop Charger

Description: Salvage Electronic Parts from an Old Laptop Charger- So many useful electronic components can be salvaged from old electronic devices and machines. Today, we will see which useful electronic components can... Read more »