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eTechnophiles

eTechnophiles

  • Blog
  • Forum
  • Free Calculators
  • Pinouts
  • Raspberry Pi
  • Arduino
  • Books
  • About us

Ankit Negi

I am an electrical engineer by profession who loves to tinker with electronic devices and gadgets and have been doing so for over six years now. During this period, I have made many projects and helped thousands of students through my blog and YouTube videos. I am active on Linkedin.
How to change frequency of PWM pin of Arduino UNO

How To Change Frequency on PWM Pins of Arduino UNO

How to add And Simulate Ultrasonic Sensor in Proteus ?

How to Add Ultrasonic Sensor Library in Proteus?(2026 Updated)

Arduino Library for Proteus

How to Add Arduino Library for Proteus & Make Projects(2026)

Rectifier VS Zener VS Schottky diode

Rectifier vs Zener vs Schottky Diode(Practical Differences)

Continuity tester

How to Make a Continuity Tester Circuit Using a 555 timer

DARK SENSOR USING LDR AND 555 TIMER

How to Make a Dark Sensor using LDR and 555 Timer

How To Make a Digital Voltmeter Using Arduino(Simplest)

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