Practical Exam · PR4
PR4 Video ClassesPR-4: M4-R5.1 Internet of Things (IoT) — Practical
Free O Level PR4 study material — papers, questions and notes, all in one place.
NIELIT Practical Assignments with Solution
Official assignment questions with full solutions
1 PDF · 11 VideosOpen
Previous Year Practical Questions
Practical questions asked in previous exams
3 PDFs · 3 VideosOpen
Viva Questions
Most-asked viva questions with short answers
1 PDF · 1 VideoOpen
Run these Arduino sketches on a virtual board — free
No kit needed: wire a virtual Arduino Uno in the simulator and watch the LEDs, LCD and sensors respond to your sketch. Each explained project gives the code and the wiring.
Continue on the ZedKing App
Open Course on the App Looking for the rest of the PR-4 course?
These classes are the free part of the course. The complete O Level PR-4 programme — all remaining lectures, solved assignments, practice material and exam-oriented sessions — is available on the ZedKing Learning App. Open the course there to continue exactly from where these videos end.