Ebay and Amazon are awash with ‘isolated’ boards that convert pwm to 0-10V analogue, but they appear to be isolated in the sense that they an break an earth loop – great for machine control problem ...

This is a very cool electronic project to control dc loads using a very cheap and reliable design. This video also explains ...

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

The design of the article by itself is a great example of the use of negative space, images, and brief, clear text. Look at ...