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Lasermad.com • View topic - PCB assembly discussion

PCB assembly discussion


Site Admin

Posts: 950

Joined: Tue Jul 24, 2012 8:05 pm

Post Sat May 13, 2017 6:28 pm

PCB assembly discussion

Suggestions for improvements, mistakes, hints here please.

Posts: 18

Joined: Mon Feb 11, 2013 8:42 am

Post Sun Apr 29, 2018 6:09 am

Re: PCB assembly discussion

This part of the kit has gone together great, at first, it did not power up and I realized I had forgotten to solder in the fuses.

After the board was powered up all worked well for me, I did connect via Bluetooth to my laptop and opened a terminal window to the Bluetooth module. I sent the commands as outlined in the advanced user manual, however, I do not get a flash on the yellow LED. But the green LED does pulse slightly right when I hit the enter key. I did get a message back from the serial converter stating that the unit is receiving GPS time updates from the gps mouse. So I will update as I move on if everything works fine. So far seems to be going pretty well.

I would say one point of improvement on the case would be if it were milled from the opposite side so as the cut enters the material on what would be the outside of the case the holds would be very clean. The way it is milled right now the exiting side of the cut is what has to be the outside of the case so around the holes of the led's there is small chipping as the cutter moved through the material not as clean a cut and does not look as good. One could flip it over but with the switch, it can only go one way.

One other thing I wish I had noted a bit more before I cut all the leads off the LED's would have been to leave them all with about 3-4 mm of height off the board so the LED's would stick through the case a bit more if you put them flush with the board they will be very recessed in the holes vs sticking through the holes. Other than that whole thing went together great so looking forward to the next step.

Site Admin

Posts: 950

Joined: Tue Jul 24, 2012 8:05 pm

Post Sun May 06, 2018 4:23 am

Re: PCB assembly discussion

Agreed about the case, I'd made 60 of them before realising though. Usually I make the cases out of a stack of strips so the finish on the faces isn't important and slipped up by not checking this time.

Posts: 40

Joined: Sat Nov 11, 2017 1:18 pm

Post Sun May 06, 2018 7:12 am

Re: PCB assembly discussion

Posts: 40

Joined: Sat Nov 11, 2017 1:18 pm

Post Sun May 13, 2018 3:56 pm

Re: PCB assembly discussion

A little hint for the Battery switch:
Be aware that the switch is connected to nothing on the PCB. If you want to use it to switch off the batteries, you will have to connect it with a strap to the + batteries connection pad. The connection is described in the attached pictured (strap in Green color).
Attachments
Switch_Connection.jpg
Switch_Connection.jpg (47.77 KiB) Viewed 4092 times

Posts: 44

Joined: Mon Sep 10, 2012 8:49 pm

Post Sun May 27, 2018 12:16 am

Re: PCB assembly discussion

Thank you so much for your instructions regards the power controller switch. Your wiring modification works perfectly.

I spent days trying to figure out the problem with no success.

Dr Dastoor.

Posts: 44

Joined: Mon Sep 10, 2012 8:49 pm

Post Sun May 27, 2018 12:24 am

Re: PCB assembly discussion

How does one start a new topic?

Is there a setting that will allow this forum to automatically inform me when a new post is made anywhere on this forum?

firdaus

Posts: 44

Joined: Mon Sep 10, 2012 8:49 pm

Post Sun May 27, 2018 2:08 pm

Re: PCB assembly discussion

Can you please describe in detail how you extended the range of the GPS? Very important to get my setup working.

Dr Firdaus Dastoor. { CALL ME pHIL OR fIRDAUS}

Posts: 18

Joined: Mon Feb 11, 2013 8:42 am

Post Tue Jun 05, 2018 1:55 pm

Re: PCB assembly discussion


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