About OTC CatchUp
![]() |
OTC CatchUps are weekly informal sessions involving project showcases and technical discussions. They are held every Saturday from 10:30 PM IST. Join in!. For all summaries, please visit catchup.ourtech.community/summary. |
OTC CatchUp #248
Date: 09-08-2025
Duration: 4 hrs 00 mins
Topics Discussed
-
Nirmal shared details about his previous projects and pitched an idea for a new low-level hardware project.
-
He plans to build two CPUs using ICs and enable wireless data transfer between them using the Coherer effect.
-
-
Nirmal asked Jaden (cybersecurity expert) about firewalls.
-
Jaden explained concepts like data packet transfer, cyclic redundancy check (CRC), encryption, and more.
-
-
Jaden shared a project where he discovered a critical vulnerability in a ship’s system.
-
Explained about Modbus, the communication protocol used in ships, and the vulnerability he identified.
-
Described how he wrote a malware to demonstrate the flaw to authorities and raise awareness among the ship’s crew.
-
Discussed the challenges of writing malware in a very limited memory environment (due to outdated ship computers), including writing in C++ and invoking the code via Java.
-
Highlighted that Java has features (via the Unsafe class) that allow bypassing the JVM to perform arbitrary operations, even accessing the UEFI.
-
-
Nirmal also asked for learning resources on Networking and Cybersecurity.
-
Harsh shared his recent work.
-
He investigated an issue with a company’s RAM (DIMM) failing under certain tasks due to narrow operational margins and worked on debugging and finding solutions.
-
-
Jia showed her project Algorific, a tool for visualizing Data Structures and Algorithms.
-
Jia also showcased her online Python code editor and runner project.
-
Demonstrated features like chatbot assistant, step-by-step code explanation, and more.
-
Shared her codebase with Darshan for suggestions and improvements.
-
-
Bhavesh demonstrated his project King’s Gambit, an online multiplayer chess platform with an integrated video call feature.
-
Showcased deployment progress and shared the codebase with Darshan for feedback.
-
-
Additional resources and links.
Meet Screenshot

![]() |
For all summaries, please visit catchup.ourtech.community/summary. |
Want to improve the content of this page?
Want to get more involved? Learn how to contribute.
We rise by lifting others.
Kindness always wins.
Alone we can do so little; together we can do so much.