Friday Hacks #231, October 28: Prototyping a (tile grouting) robot at home on a budget and Common Pitfalls in Computer Vision Projects

Posted on by Shen Yi Hong

Date/Time: Friday, October 28 at 7:00pm SGT
Venue: Basil Room @ Shaw Foundation Alumni House
Register for Food: NUSync Food Sign-up Link

Food 🍕 will be served!

If you are unable to come join us physically, you are welcome to join us online!

Friday Hacks #231 Poster

1) Prototyping a (tile grouting) robot at home on a budget

Hardware doesn’t have to involve huge capital investments. A decent Ender 3 costs just over $200, a soldering station costs $40, a bench drill costs over $100, and online shopping is your good friend. This workshop will show how we build our robot from ground up, explaining how our various mechanical components come together. Fabrication techniques that we would cover include 3D printing (PLA and PVA Filament), 3D printing troubleshooting, angle grinding, soldering, rework, using inserts, covering various mechanical components (such as stepper motor and threaded rod).

Speaker Profile

Keefe Wayne Teo, Co-Founder (COO & CFO) of (

  • Engineering Degree from the University of Cambridge
  • Ex-President of, a Cambridge Student Society that runs technical side projects to boost Cambridge’s Entrepreneurial Culture
  • 2 Research journal publications, 100+ citations, 4 Research Papers
  • Ex-Entrepreneur First Analyst, Business Development in Bright Kids and Gain City

2) Common Pitfalls in Computer Vision Projects

Explore the most common, systematic mistakes in Computer Vision with real examples incorrectly trained during the talk. Remedies incouded!

Speaker Profile

Ronald Luc, Co-Founder (CTO) of (

  • Math and CS Degree from Masaryk University, teaching assistant Neural Networks course; oversaw 4 deep learning theses
  • Talk at WeAreDevelopers Congress Vienna for 400+ attendees; won TechFest Munich
  • 5 years of work experience creating 8 end-to-end ML solutions
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