Products > Test Equipment

MS05000 Budget Logic Analyzer Probe Set Design

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Gandalf_Sr:
Here's a photo of two Probe PCBs fitted with the 3D-printed protective back.  It snaps on and protects the underside from shorts.

Gandalf_Sr:
Both PCBs are now at 94% on some mystery step 16...  Looks likely they will ship soon.

[EDIT] They shipped today (3/31/20) and are scheduled to arrive Monday April 6th.

Gandalf_Sr:
Update...

The PCBs shipped REALLY fast by DHL, they are on the truck for delivery to me by 8pm today April 2nd!

Still have plenty of spare if anyone wants a set.

Gandalf_Sr:
Update.  I got the new ENIG PCBs from JLC and they look great. 

I wanted to make sure all was well before I shipped PCBs out so I made up a 5V Probe PCB with all the changes (10k parallel resistors, 100k pulldown on Vcca, protection Zener on 3.3V rail)  and a new Connector PCB and tested at 50 MHz, all seems fine.  Here's a couple of pictures.  You'll see that the new Probe PCBs have a little white silk screen rectangle to write the voltage version on.

Given the state of the lock-down, I didn't want to go to the Post Office so I ordered Priority Mail padded envelopes from USPS (free) but they haven't arrived yet; as soon as they do I will ship out to those who have PMd me (and paid).

[EDIT] If you're building a set and are looking at my pictures below, be aware that the connector PCB is sitting face down in the picture of the 3 PCBs - pin 1 of the 24 pin connectors that take the headers for the ribbon cables has a square surround so, as you can see, if the Connector (top) board was flipped over left-to-right, the square pin 1 would be bottom right, matching the 24 pin headers on the Probe PCBs.

Gandalf_Sr:
People who've sent me money were sent PCBs today by Priority mail, 2 or 3 days to get there depending on how far away from Michigan you are.

I'm going to try to figure out how to send overseas in small envelopes; bear with me.

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