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2024-02-21

A Classroom-Ready Potentiometer From Pencil and 3D Prints

HackMakeMod devised a creative DIY teaching potentiometer using a pencil and 3D-printed components, perfect for demonstrating the concept of variable resistance. Recognizing the similarity between the graphite in pencil lead and the carbon composition material found in traditional potentiometers, they constructed a simple yet effective device to illustrate the function […]

2024-02-20

Simple Magnetic Levitator

Feeds sensors, Tech 0

Stoppi has once again impressed with a simple yet fascinating project – a magnetic levitator showcased in the video below. The design employs classic components including a 5 V regulator IC, a Hall effect sensor, a 741 op amp, and a MOSFET to control the electromagnet. Alongside these are a […]