Erdkinder
January 22, 2026

SONAR

SONAR June 23, 2024 Erdkinder 3 mins read Author: Sri Chaitanya Etta, Grade 9 Abstract – This article presents a report on the Procedure, Function, Science, Components required and Precaution to be taken for making a sound navigation and ranging (Sonar) device. This

Erdkinder
January 22, 2026

DIY Bluetooth Speaker

DIY Bluetooth Speaker June 23, 2024 Erdkinder 3 mins read Author: Shriya Ancha, Shourya Pandre and Tanish Regalla - Grade 8 https://www.youtube.com/watch?v=d9-v0knbxOYAbstract – This article presents a report on the Procedure, Function, Science, Components required and Precaution to be taken for making

Erdkinder
January 22, 2026

TDS Meter

Buzz Wire Game June 23, 2024 Erdkinder 4 mins read Author: Meghana Kata, Grade 8 https://www.youtube.com/watch?v=AEVFCjcY16kAbstract – This article presents a report on the Components, Scientific theory, Procedure and Precautions required to be taken for making a TDS Meter that detects the presence

Erdkinder
January 22, 2026

Buzz Wire Game

Buzz Wire Game June 23, 2024 Erdkinder 7 mins read Author: Shourya Pandre, Shriya Ancha and Tanish Regalla, Grade 8 https://www.youtube.com/watch?v=UtO0q00V3awAbstract – This article presents a report on the Procedure, Function, Science, Components required and Precaution to be taken for making a

Erdkinder
January 22, 2026

Quadcopter

Quadcoptert June 23, 2024 Erdkinder 7 mins read Author: Nevan Carey Meduri, Grade 9 https://www.youtube.com/watch?v=YTARGWTjj5EAbstract – This article presents a report on the Components, Scientific theory, procedure and Precautions required to be taken for assembling an Arduino-based quadcopter. The main principle behind