I create a control unit for chaser animations with two circuit boards—one for logic and one for high-voltage control. The ...

package type which you kind of get the hang of with experience, topmark (printed on the parts), and the part number gleaned from the above. The next step is to reverse engineer the circuit board ...

The result, seen above, are perfect traces on a circuit board without the need for ironing sheets of photo paper onto copper boards. As far as the, “why didn’t someone think of this sooner ...