Posted by Julie Karavan at 2011-05-05 14:05:56
We are a mixed age 4H group. We kicked off our Seaperch during national Robotics Week.

Currently troubleshooting the boards. Looking for some insight here from others who have taught the build.

Soldering appears to have been challenging for most of the kids. Any tips / links on removing solder "bridges"?

Although the irons were tinned, getting the solder to flow was difficult. I am wondering if it is OK to use lead free solder (which we practiced with and seemed to flow more easily) along with the solder that came in the kit. Or are the not compatible?

I am concerned that one  board may have been burned. There are dark edges along the solder. If so, is there a replacement board we can purchase?

If the frames are not staying together, should be just epoxy them?

Any tips / video on troubleshooting / using the multi tester would be great. It seems like some of the videos are for a different kit, and the black background makes it difficult to see what is going on.

Thanking you all in advance


Tips Attached About Soldering and Answering Troubleshooting Questions
Posted by Rich at 2011-05-28 17:44:42


Icon Some Answers to Troubleshooting Comments and Questions by a 4H Group.pdf  (180KB)
Re: Tips Attached About Soldering and Answering Troubleshooting Questions
Posted by Julie Karavan at 2011-08-01 20:52:26
Thanks so much for your response. I have 2 boards that are giving me fits with the "down" switch. Everything else on them is working fine. I looked at the schematic and corrected some of the solders on the 8 prong and switch involved...still no go... could it be a bad switch? Where could I order replacement switches, and how do you recommend removing the switch without harming the circuit board? I have desoldering braid and the solder sucker...
Rich wrote on 2011-05-28 17:44:42:

Response to PCB "Down Switch" Questions
Posted by Rich at 2011-08-09 17:56:02


Icon Response to Questions About a Down-Swtich Problem.pdf  (381KB)
Re: Troubleshooting
Posted by Erica Schmuck at 2016-11-14 14:01:43

The soldering iron's that they gave do not heat up as well as they should and we had a very difficult time soldering with them. Try using a different one.

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