Based on the work of [sekigon-gonnoc] and with help of [Thach], they’ve made their TinyUSB library support bitbanging of USB over PIO, and successfully ported their test jig firmware to it!

A template is a tool used to mark out shapes repeatedly. For example, if 100 acrylic keyrings are all to be shaped so they are the same, a template could be made to draw around for speed and ...

Click on an image below to play a jigsaw puzzle created from National Geographic’s iconic photography. Images are sourced from Photo of the Day and will update daily.

Remember, heavy is better here. In keeping with making a huge disk sander out of stuff pulled out of the trash, the trunnions and motor hub were cast out of aluminum melted in an old propane tank ...

Although the Herald family of cars has a reputation for suffering from irritable trunnion syndrome, it’s only if the car has been neglected that you’re likely to have problems. If they’ve ...

Trunnions: front trunnions need to be kept well lubricated with the correct EP90 oil. If left to go dry, expect to find corrosion, and snapped vertical links. Cheap and easy to replace ...

modern theodolite consists of a movable telescope mounted within two perpendicular axes — the horizontal or trunnion axis, and the vertical axis. When the telescope is pointed at a target object, the ...