Designed by Eric Yufeng, this small four-legged robot has all its parts, including the actuators, built directly onto its ...

Dealing with all the wiring can quickly become a challenge on ... The PCB is minimalist, with just the XIAO ESP32C3 module, a boost converter circuit to drive the servos, and a battery fuel ...

It doesn’t seem as though bending wire would be much of a chore, but when you’re making art from your circuits, it can be everything. Just the right angle in just the right place can make the ...

Watch this video to learn more about what an electrical circuit is and how it works. Electrical energy flows around circuits which are loops made of metal wires. In this game, touching the wire ...

These could be batteries, solar panels, or a power supply connected to the mains - anything that can provide power to our circuit. A wire from the cell can then be connected to a component like a ...