Servo Surgery Teaches Us DIY Encoder Implants

The modified servo being calibrated on the left half of the screen, with some graphs of its operation being shown on the right half.

Today, we shall talk about how [Adam Bäckström] took a DS3225 servo and rebuilt it to improve its accuracy, then built a high-precision robot arm with those modified servos to …read more Continue reading Servo Surgery Teaches Us DIY Encoder Implants

A Whole Lot of Stepper Motors Make the Most Graceful 7-Segment Displays

Over the years we’ve seen many takes on the 7-segment display. Among the most interesting are the mechanical versions of what is most often an LED-based item. This week’s offering …read more Continue reading A Whole Lot of Stepper Motors Make the Most Graceful 7-Segment Displays

Hackaday Podcast 062: Tripping Batteries, Ventilator Design, Stinky Prints, and Simon Says Servos

Hackaday editors Elliot Williams and Mike Szczys check out the week’s awesome hacks. From the mundane of RC controlled TP to a comprehensive look into JTAG for Hackers, there’s something for everyone. We discuss a great guide on the smelly business of resin printing, and look at the misuse of …read more

Continue reading Hackaday Podcast 062: Tripping Batteries, Ventilator Design, Stinky Prints, and Simon Says Servos

Beat The Streets With This Text Spraying Robot

In the midst of striking for climate change awareness, you may need some extra hands. That’s what [Anred Zynch] thought when they built Strettexter, the text-spraying writing robot that sprays onto streets.

The machine is loaded with 8 spray cans placed into a wooden box (a stop line with a …read more

Continue reading Beat The Streets With This Text Spraying Robot