A bare servo wouldn’t be much fun, so [Outaspaceman] connected a tentacle and a small Swiss army knife. Yes, a knife. The tentacle in question is designed to be a finger puppet .

For instance, the Serial Servo Raspberry Pi HAT offers multiple powering options, four Serial Servo connectors, four programmable buttons, an on/off switch, and a 1.14” TFT Display for status ...

The Arduino Servo Cat-a-pult looks to automate this rather annoying daily task. A pressure sensor mat — placed in front of your cat’s food dish — activates the device.

This could be an interesting one if you work with robotics, flagged by the Arduino team - a look at how to smooth the operation of a servo, to avoid jerking between positions. It's from the YouTuber ...