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eTechnophiles
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Blog
Courses
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Pinouts
Raspberry Pi
Arduino
Books
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Electronics
10 Useful ESP32 Concepts That Take You from Noob to Pro!
Raspberry Pi 5 GPIO Pinout Guide
Tachometer Using Arduino And IR Sensor
11 Best PCB Design Software- 2026(Free and Paid)
5 Best Books to Learn Latest Battery Technology in 2026
How Batteries are Made? Materials used and Construction
Potentiometer Wiring- 4 Simple Circuits using Potentiometer
Guide to NEMA 17 Stepper Motor Dimensions, Wiring Pinout
11 Free Online Circuit Simulators- 2026(Tried and Tested)
Operational Amplifier Basics with 6 Circuit Examples
DC Motor Speed Controller Circuit Using 555 Timer(50V, 15A)
Speed Control of Motor Using LDR with Arduino(Program & Circuit)
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