[2562] Power Testing

Date: May 8th, 2019 | Comments : none | Categories: DIY.

This is a small test board that I made for my own use. It goes between a power source and a pedal being tested. The objective is to provide access to the voltage source terminals. A battery or unregulated power supply will often have voltage sag when loaded, so this lets me measure the actual voltage with the pedal connected without having to remove the back of the box.

The power jack was mounted on the back of the pcb to make sure that it is out of the way of the probes, but now that I have assembled it, that placement seems unnecessary.

There is not only easy access to the actual voltage being used, but also the yellow jumper block can be removed and a meter placed across the two pins so that a measurement of the current draw can be easily made.

 

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