What is it? Have you ever tried moving your device under test and your oscilloscope probes lifted the tracks off of your only prototype PCB? Get confused by which probe is underneath your device un...Read More…
Have you ever tried moving your device under test and your oscilloscope probes lifted the tracks off of your only prototype PCB?
Get confused by which probe is underneath your device under test and which wire is connected to where?
Do you have more than one signal you need to trace?
Do you need to use your probes for another project but need to keep your device under test in the same position?
Do you use the same colour wire for all of your signals?
Answer yes to any of these questions? Maybe you need this board!
I have a very messy desk, so keeping my probe wires somewhat organized is a herculean task.
I quickly sketched this board and printed out a few copies of it and I immediately found it to be super handy. I have a few left on hand and would like other people to benefit from this simple idea.
There are 6 pins for you to connect your signal traces to. There are 12 ground pins to connect your DUT GND and scope probe GNDs to.
The signal tracks on the PCB are extra wide. You get to choose how you connect your signal wires to the Probe Master Jr. Personally, I use male 2.54mm pin headers and quickly tack my trace wires to them.
I've attached the square wave output from my DSO being fed through the Probe Master Jr. The blue trace is going to the Probe Master Jr, and the yellow trace is connected directly to the DSO output. For typical digital signal processing this is right up your alley. If you try this with something faster like I2S and have success then please let me know!
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