Final Weekend of Robots in the Hackaday Prize
https://hackaday.com/2021/09/24/final-weekend-of-robots-in-the-hackaday-prize/

This is the final weekend to enter your robot project in the 2021 Hackaday Prize. The Redefine Robots challenge is looking to you for great ideas in making robots part …read more (https://hackaday.com/2021/09/24/final-weekend-of-robots-in-the-hackaday-prize/)

Making a Metal Hand Doorknob
https://hackaday.com/2021/09/24/making-a-metal-hand-doorknob/

Regular doorknobs are widely reviled for their bare simplicity, but by and large society has so many other problems that it never really comes up in day to day conversation. …read more (https://hackaday.com/2021/09/24/making-a-metal-hand-doorknob/)

Modern Tube Tester Uses Arduino
https://hackaday.com/2021/09/24/modern-tube-tester-uses-arduino/

There was a time when people like us might own a tube tester and even if you didn’t, you probably knew which drug store had a tube testing machine you …read more (https://hackaday.com/2021/09/24/modern-tube-tester-uses-arduino/)

Adversarial Makeup: Your Contouring Skills Could Defeat Facial Recognition
https://hackaday.com/2021/09/24/adversarial-makeup-your-contouring-skills-could-defeat-facial-recognition/

Facial recognition is everywhere these days. Cloud servers churn through every picture uploaded to social media, phone cameras help put faces to names, and CCTV systems are being used to …read more (https://hackaday.com/2021/09/24/adversarial-makeup-your-contouring-skills-could-defeat-facial-recognition/)

Classic Chip Line-Up Powers This Fun Dub Siren Synth
https://hackaday.com/2021/09/24/classic-chip-line-up-powers-this-fun-dub-siren-synth/

There’s a certain elite set of chips that fall into the “cold, dead hands” category, and they tend to be parts that have proven their worth over decades, not years. …read more (https://hackaday.com/2021/09/24/classic-chip-line-up-powers-this-fun-dub-siren-synth/)

A Toy Jeep For After The Apocalypse
https://hackaday.com/2021/09/25/a-toy-jeep-for-after-the-apocalypse/

When your friends are off to the post-apocalyptic Wasteland Festival and present you with a defunct Power Wheels clone toy Jeep to make ready for the festivities, what are you …read more (https://hackaday.com/2021/09/25/a-toy-jeep-for-after-the-apocalypse/)

Tiny BEAM Robot Smiles Big at the Sun
https://hackaday.com/2021/09/25/tiny-beam-robot-smiles-big-at-the-sun/