There are 20 predefined wire sizes to choose from and/or one can also enter in custom sizes including their bobbin size.

Incubator that can be fabricated in a typical makerspace at a low cost while achieving the same performance as commercial units.

Shows to visually impaired or ignoring the resistors colour code, lazy techs etc..., either the exact value or value in E12 or E24 series

Timer for Arduino pins controlled by Serial monitor

Rotary Encoder USB Control with single and double click action.

A small little console that allows you to quickly set, test, try many different actuators (e.g. servos, stepper, ultrasonic, DHT22, etc... )