There is a type of AC motor in industry that you may have hidden away in your process plant that has brushes in too. These are known as slip-ring motors. They are often referred to as wound-rotor motors too. That description probably explains more of the construction of the motor then slip-ring does actually. Instead of having cast rotor …
A pile of scrap PCBs or an opportunity to refurbish and reuse?
What do you see…a pile of scrap PCBs, or an opportunity to refurbish and reuse? If you see an opportunity to refurbish and reuse, great, you need not read any further. If you see these as scrap PCBs destined for landfill, then this is an opportunity for education. PCBs (Printed Circuit Boards) are in all electronic equipment the World …