Does Siksha Sarovar have an AI chatbot to answer student doubts?

Yes. Siksha Sarovar has a built-in AI Assistant chatbot accessible from a floating button on every page. It understands English, Hindi and Hinglish, handles typos (for example 'pyhtion' or 'certifecate'), and indexes 165+ destinations including every course, lesson, BCA subject, school chapter, competitive exam topic, FAQ and tool. Most queries return direct link cards in under 5 milliseconds. An AI fallback is available for novel questions.

Can I ask the SikshaSarovar chatbot questions in Hindi or Hinglish?

Absolutely. The chatbot is built specifically for Indian students — natural Hinglish queries like 'kaise milega certificate', 'free hai kya', 'pyhtion ke datatype kaha hai', 'kaha se shuru karu' are first-class citizens. The matcher strips Hindi filler words and routes you to the right course, lesson or page.

Is the SikshaSarovar AI chatbot free to use?

Yes. The chatbot is 100% free, requires no signup, and is available on every page. It runs locally in your browser for the vast majority of queries — there is no API cost or usage limit. The optional 'Ask AI' fallback for advanced coding questions uses the Pro AI Tutor.

Is Siksha Sarovar really free?

Yes. Every course, lesson, quiz, online compiler, and notes download is free to use without an account. We offer an optional Pro pass that unlocks longer AI tutor sessions, larger compiler quotas and priority support, but it is not required to learn from the platform. The educational content itself stays free.

Do I need to sign in to use the courses?

No. You can browse any course, read all lessons, run code in the compiler and take quizzes without signing in. Google Sign-In is purely optional and is used only to save your progress, quiz scores and certificate eligibility across devices. We never request access to Gmail, Drive, Calendar, Contacts, or any sensitive Google data.

Are the certificates from Siksha Sarovar recognised?

Our certificates are a record of completion that you can share on LinkedIn or attach to applications, but Siksha Sarovar is an independent platform — not a UGC-recognised university or board. We are upfront about that. The certificate is most useful as a verifiable signal that you have completed the curriculum, not as a substitute for a degree.

Which courses are best for BCA and MCA students?

Our University Curriculum section covers the YMCA BCA/MCA syllabus subject-by-subject — Data Structures, DBMS, Web Based Programming, Computer Networks, Operating Systems, Software Engineering, Data Warehousing and more. Each subject is broken down into the same units your university teaches, with previous year question papers where available.

Can I use Siksha Sarovar to prepare for SSC, UPSC, Banking or Railway exams?

Yes. The Competitive section has dedicated tracks for SSC (CGL, CHSL, MTS), UPSC, IBPS/SBI Banking, RRB Railways and defence exams (NDA, CDS, AFCAT). Topics include quantitative aptitude, reasoning, English grammar, general knowledge and current affairs, written specifically for the Indian exam pattern.

What languages does the online compiler support?

The Siksha Sarovar online compiler supports C, C++, Python, Java, PHP, JavaScript, C# and SQL. The compiler runs your code in a sandboxed environment using Judge0, returns the standard output and error stream, and supports stdin so you can test interactive programs. There is no installation — everything runs in your browser.

How is my personal data handled by Siksha Sarovar?

We follow data minimisation: we collect only what is needed (email, name, profile picture from Google sign-in, and your learning progress). Data is stored on Supabase with HTTPS in transit. We do not sell user data, and we do not use it to train AI models. You can request deletion at any time by emailing contact@sikshasarovar.com — see our Privacy Policy for the full details.

Who founded Siksha Sarovar?

Siksha Sarovar was founded by Rohit Kumar, who serves as CEO and Head Developer. Rohit built the platform to provide free, structured education to students across India — covering programming courses, university notes, school study material and competitive exam preparation.

Internet of Things (IoT) Lab — Free Notes & Tutorial

Free IoT Lab practicals for BCA — Arduino, Raspberry Pi, sensor programs and IoT project exercises at SikshaSarovar.

This Internet of Things (IoT) Lab course is part of Siksha Sarovar and is 100% free for students in India — no sign-up required to read. It contains 10 structured lessons with examples, and pairs with our free online compiler and AI tutor.

What you will learn

Arduino
Sensors
Raspberry Pi
IoT lab programs

Course content (10 lessons)

Practical 1: Study and Install IDE of Arduino — Program Statement Study and Install IDE of Arduino. CO Mapping CO1, CO2 Objective To understand the Arduino IDE environment and successfully install it on your system. Steps to…
Practical 2: Add Libraries in Arduino and Setup Arduino IDE — Program Statement Write the steps to add libraries in Arduino and setup of Arduino IDE for programming. CO Mapping CO2, CO3 Objective To learn how to add external libraries to…
Practical 3: Blink LED using Arduino — Program Statement Write a Program using Arduino for Blink LED. CO Mapping CO2, CO3 Objective To write and upload a program on Arduino to blink an LED connected to pin 13.…
Practical 4: Temperature Monitoring using Arduino and LM35 — Program Statement Write a Program for monitoring Temperature using Arduino and LM35 Temperature Sensors. CO Mapping CO2, CO3 Objective To read analog temperature values from an…
Practical 5: Controlling Raspberry Pi with WhatsApp — Program Statement Write a Program for Controlling Raspberry Pi with WhatsApp. Objective To control a Raspberry Pi device (e.g., turn an LED on/off) remotely by sending WhatsApp…
Practical 6: Fade LED using analogWrite() — Program Statement Write a program to show how to fade an LED on pin 9 using the analogWrite() function. CO Mapping CO3, CO4 Objective To gradually increase and decrease LED…
Practical 7: Add Blynk Libraries for NodeMCU and IFTTT Setup — Program Statement Write the steps to add Blynk libraries for NodeMCU and create an account on IFTTT for home automation. CO Mapping CO2, CO3, CO4 Objective To configure Arduino…
Practical 8: Fade LED using NodeMCU (ESP8266) and Blynk App — Program Statement Write a program of Fade LED using NodeMCU (ESP8266) and Blynk app. CO Mapping CO2, CO3, CO4 Objective To control LED brightness remotely using a Slider widget in…
Practical 9: Smart Dustbin using Ultrasonic Sensor and Servo Motor — Program Statement Write a program for Arduino by using Ultrasonic sensors and servo motor (HC-SR04), and make a smart dustbin. CO Mapping CO2, CO3, CO4 Objective To build an…
Practical 10: Control Bulb ON/OFF using Blynk App — Program Statement Write a program for controlling bulb on/off by using Blynk app. CO Mapping CO2, CO3, CO4 Objective To remotely control a bulb (or relay-connected load) ON and…

Practical 1: Study and Install IDE of Arduino

Program Statement

Study and Install IDE of Arduino.

CO Mapping

CO1, CO2

Objective

To understand the Arduino IDE environment and successfully install it on your system.

Steps to Install Arduino IDE

Step 1: Download Arduino IDE

Open a web browser and go to the official Arduino website: https://www.arduino.cc/en/software
Under "Downloads", select the version suitable for your operating system (Windows, macOS, or Linux).
For Windows, click on "Windows Win 10 and newer, 64 bits" to download the installer (.exe).

Step 2: Run the Installer

Locate the downloaded .exe file in your Downloads folder.
Double-click the installer to run it.
Accept the License Agreement by clicking "I Agree".
Choose components to install (keep all default options checked) and click "Next".
Choose the installation folder (default is recommended) and click "Install".
The installer may prompt you to install USB drivers — click "Install" to allow them.
Click "Finish" once installation is complete.

Step 3: Launch and Explore the IDE

Open Arduino IDE from the desktop shortcut or Start menu.
The IDE opens with a default empty sketch (setup() and loop() functions).

Key Components of the Arduino IDE Interface

Component	Description
Verify (✓)	Compiles the code to check for errors
Upload (→)	Compiles and uploads code to the Arduino board
New	Creates a new blank sketch
Open	Opens a previously saved sketch
Save	Saves the current sketch
Serial Monitor	Opens a terminal to communicate with the board
Sketch Editor	Main area where you write your code

Important Menus

Tools > Board — Select your Arduino board (e.g., Arduino Uno, Nano, Mega)
Tools > Port — Select the COM port to which the Arduino is connected
File > Examples — Browse hundreds of built-in example programs
Sketch > Include Library — Add external libraries to your sketch

Minimum System Requirements

Requirement	Value
OS	Windows 10 / macOS 10.14+ / Linux
RAM	2 GB minimum (4 GB recommended)
Storage	500 MB free disk space
Java	Bundled with IDE (no separate install needed)

Result

Arduino IDE has been successfully studied and installed on the system.

Practical 2: Add Libraries in Arduino and Setup Arduino IDE

Program Statement

Write the steps to add libraries in Arduino and setup of Arduino IDE for programming.

CO Mapping

CO2, CO3

Objective

To learn how to add external libraries to Arduino IDE and configure the IDE for programming a board.

Part A: Adding Libraries in Arduino IDE

There are three methods to add libraries:

---

Method 1: Using the Library Manager (Recommended)

Open Arduino IDE.
Go to Sketch > Include Library > Manage Libraries... (or press Ctrl + Shift + I).
The Library Manager window opens.
In the search box, type the name of the library (e.g., DHT sensor library).
Select the desired library from the list.
Click the "Install" button.
Once installed, the library appears in Sketch > Include Library menu.

---

Method 2: Installing a .zip Library

Download the library as a .zip file from GitHub or another source.
In Arduino IDE, go to Sketch > Include Library > Add .ZIP Library...
Browse to the downloaded .zip file and click "Open".
The library is installed and available immediately.

---

Method 3: Manual Installation

Download and extract the library folder.
Copy the extracted folder to the Arduino libraries directory:

Windows: C:\Users\<YourName>\Documents\Arduino\libraries\
macOS/Linux: ~/Documents/Arduino/libraries/

Restart the Arduino IDE.
The library will now appear in Sketch > Include Library.

---

Part B: Arduino IDE Setup for Programming

Step 1: Connect the Arduino Board

Connect the Arduino board to the computer using a USB cable.

Step 2: Select the Correct Board

Go to Tools > Board > Arduino AVR Boards.
Select your board (e.g., Arduino Uno).

Step 3: Select the Correct Port

Go to Tools > Port.
Select the COM port that corresponds to your Arduino (e.g., COM3 on Windows or /dev/ttyUSB0 on Linux).

Step 4: Verify a Test Sketch

Go to File > Examples > 01.Basics > Blink.
Click the Verify (✓) button to compile.
Click the Upload (→) button to upload to the board.
The onboard LED should start blinking — confirming the setup is correct.

Step 5: Use Serial Monitor

Go to Tools > Serial Monitor (or press Ctrl + Shift + M).
Set the baud rate to match Serial.begin(9600) in your code.
Use it to print debug messages from your Arduino program.

Result

Libraries have been successfully added and Arduino IDE has been configured for programming.

Frequently asked questions

Is the Internet of Things (IoT) Lab course really free?

Yes. The entire Internet of Things (IoT) Lab course on Siksha Sarovar is free to read with no account required. You can optionally sign in with Google to save your progress.

Do I get a certificate for Internet of Things (IoT) Lab?

Yes — finish the lessons and pass the quiz to earn a free, verifiable certificate you can share on LinkedIn or with recruiters.

Can I run code while learning?

Yes. The built-in online compiler runs C, C++, Python, Java, PHP, JavaScript, C# and SQL directly in your browser — no installation needed.