RajanHub

Electronics • Projects • Engineering • Learning

About Me

I'm an Electronics & Communication Engineering student who loves building real-world electronics projects using ESP32, sensors, and microcontrollers. RajanHub is my learning + project space.

Projects

Power Monitoring System

AC voltage & current sensing with OLED display.

ESP32 Sensor Hub

DHT11, MPU6050, PIR & OLED based system.

DIY Power Supply

Low cost regulated DC supply using salvaged components.

Notes & Blogs

Op-Amps basics (with equations)
ESP32 GPIO & power issues explained
Ripple reduction techniques (cheap methods)
Power electronics – Unit 1 simplified

Contact

Email: contact@rajanhub.in