[Thinking Techie] takes us back to basics in a recent video explaining how magnets, coils, brushed DC motors, and brushless DC motors work. The video covers the whole technology stack behind the humble DC motor in its various incarnations. Starting with basic magnetic effects, it then proceeds through 2-wire brushed DC motors and finally into 3-wire brushless DC motors (BLDC motors). It’s worth knowing that the 3-wires in a BLDC motor are for three power phases; they are not, as in an RC servo, positive, negative, and signal leads. If you’d like to go deeper into BLDC controller tech, check out Take A Ride Through The Development Of A Custom BLDC Motor Controller and Moteus Open Source BLDC Controller Gets Major Upgrade.