The transformer is a fundamental electronic component that has some pretty interesting properties, namely converting, ehem, transforming, one voltage into another! Who'da thunk?
Aqui estão dois circuitos de retardos de relés, Time Delay, Time Delay Relay On e Time Delay Relay Off, ou seja um relé com retardo para desligar e ligar.
circuito para relé com atraso para ligar
Recycled Welded Scrap Metal Sculpture of a by GreenHandSculpture
Tutorial on wiring EL wire with a schemer. Also, he wires the heart to light up with any heartbeat read by a stethoscope. Pretty cool!
The Whiteboard Clock is a robotic clock built by Zurich-based engineer Maurice Bos that erases a dry-erase board and then writes the current time using 3D-printed arms in intervals of five minutes....
Plotclock is a robotic clock that uses an arm to write the time on a mini whiteboard with a dry erase marker. After it writes out the time, it erases the numerals with an eraser and begins anew. Pl...