Ananya wrote the code in Arduino IDE and a companion mobile app in MIT App Inventor. She created conditional loops ( if motion detected, then send alert ), variables for temperature readings, and a function to make CHIRP say “Greetings, human!” when someone came near.
“Have you considered the Internet of Things?” Mr. Gupta asked, pointing to CHIRP. “This old bot has sensors—a temperature sensor, a motion detector, and a small speaker. But his logic board is ancient. He can’t connect to the school Wi-Fi or send data to a mobile phone.”
“Not again!” Rohan groaned, staring at the cobalt-blue screen on his monitor. His group’s Social Science project—a detailed presentation on the “Evolution of Communication”—had vanished into the digital void. The school’s Annual Tech Fair was in three days, and his team was doomed.
Chapter 2: Mr. Gupta’s Secret
Chapter 3: The All-Nighter
The judges—including the Headmistress—were impressed. “You’ve integrated sensors, wireless communication, mobile programming, and hardware assembly,” one judge said. “This is what Class 8 computer science should look like.”
“Ah, young minds!” Mr. Gupta beamed. “What brings you here?” edumax computer books class 8
Rohan demonstrated: He walked away from the booth. CHIRP’s motion sensor detected movement. Instantly, Ananya’s phone—projected on a screen—received a notification: “Motion detected at 2:15 PM.” Then she touched a button on the app, and CHIRP announced, “Temperature: 24°C. All systems normal.”
That evening, Mr. Gupta gave them a small, framed quote for the computer lab: “In a world of 0s and 1s, the most important connection is the human one.” And on the last page of their EduMax Computer Book, under “Chapter 12: Future Careers in Computing,” Rohan scribbled a note: “Hardware + Software + Friendship = Innovation.”
They faced errors: the Wi-Fi module wouldn’t handshake, the sensor gave false positives, the app crashed on launch. But every error was a lesson. They learned about debugging, firewalls, and the importance of commenting their code. Ananya wrote the code in Arduino IDE and
Rohan’s eyes lit up. “You mean… we could upgrade his hardware and Ananya could code a new controller app?”
Then came Rohan and Ananya with CHIRP.
“Precisely,” Mr. Gupta chuckled. “Hardware without software is a pile of metal. Software without hardware is a ghost. Together, they are technology.” Gupta asked, pointing to CHIRP
Rohan was the hardware guy. He could assemble a CPU blindfolded, knew the difference between DDR4 and DDR5 RAM, and could clean a dusty motherboard like a surgeon. But software? That was alien territory.
They won first prize. More importantly, Rohan and Ananya became partners for every future project—Rohan building the body, Ananya writing the soul.