Arduino Programming Basics
6 videos — free full-length classes
1What is Arduino? | Arduino Complete Introduction | Arduino UNO R3 33:43
2Arduino IDE | Arduino Software | How to Install Arduino IDE 27:13
3How to Write Code in Arduino | Setup, Loop, Serial.print & Comments Explained 52:32
4Want to Master IoT & Arduino? Start with Data Types in C 35:30
5Master IoT & Arduino: The Ultimate Guide to Variables & Constants 49:48
6The ABSOLUTE BEST Guide to Arduino Operators | Arithmetic, Comparison & Assignment Explained 41:02
Practical Assignments with Solution
11 videos — free full-length classes
7Day 01 — O Level M4-R5.1 IoT Practical Questions (Jan 2026) 1:04:48
8Day 02 — O Level M4-R5.1 IoT Practical Questions (Jan 2026) 39:02
9Day 03 — LCD Interfacing with Arduino 35:57
10Day 04 — Keypad & LCD Interfacing 43:11
11Day 05 — Temperature Sensor & LCD 20:49
12Day 06 — MQ-135 Gas Sensor & Arduino 36:26
13Day 07 — DHT22 Sensor & LCD Interfacing 33:21
14Day 08 — LDR & IR Sensor Masterclass 33:50
15Day 09 — LED Fading & Sensor Logic 33:14
16Day 10 — Smart Lamp (LDR + Relay) 40:02
17Day 11 — LCD & Temperature Sensor Tutorial 28:59
Viva Questions
1 video — free full-length classes
18IoT Viva Exam — Most Important Questions (PR-4) 33:39
Previous Year Practical Questions
3 videos — free full-length classes
199 Feb 2026 — NIELIT O Level PR-4 IoT Real Paper Solution 41:00
2010 Feb 2026 — NIELIT O Level PR-4 IoT Real Paper Solution 36:52
2111 Feb 2026 — O Level M4-R5.1 IoT Practical Question Paper & Solution 38:54
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.