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January 31, 2017
News - According to Pete: All Ab…
You have excellent timing Pete, thanks! I’m working on a project that will screen AT cut crystals for durability, this episode clarified and answered many questions.
P.S. Enjoyed meeting you and our chat in the Sparkfun lobby the other day.
News - DIY Holiday Projects, Par…
about 3 months ago
Freakin awesome Feldi! We we’re looking for a cool, crafty holiday project and this is perfect. As always, thank you for sharing.
News - Enginursday: Cardboard Ci…
about 3 months ago
Wish they made a hand wrapping tool that removes the insulation while wrapping the pin in one operation.
Think you missed my point, which is skip the adhesive backed copper tape and use wire wrap to bring the connections to the edge of the board. You’ll still use alligators or any kind of jumper to make the module to module connections. I veer from using copper tape because passed experience has shown it will either fall off in a short time or fall off during soldering due to crummy adhesive. Even 3M brand adhesive backed tape does this.
Making your own copper clad circuits on cardboard is very cool but there’s a simpler, cheaper solution that’s more robust then a solder less breadboard. Why not wire wrap it? They still make pins, tools, perf board, sockets etc. and you can buy all the previously mentioned from Digikey… maybe Sparkfun will stock these items too someday :)
Yes it’s archaic (I can hear the snickering) but it’s easy, makes sturdy circuits and easy to modify/breakdown
News - Enginursday: Pumpkin Seed…
about 5 months ago
Looks like most commercial wheel type pitching machines on the web feed the ball at the top of the wheel and about 30 degrees back to pickup speed. If you modified your design to do the same, it might make the inconsistencies in seed thickness less of a problem since it wouldn’t pinch (losing momentum) it against the delivery chute?
News - Hardware Hump Day: The Gr…
about 7 months ago
I’ve lived in Boulder for 21 years and at growth rate of 10 people per day I’d hardly call it rural. Fyi, we have a fantastic hardware store called McGuckins (RIP Saunders, TG for Sparkfun’s will call) and they have the greatest selection of any city I’ve ever lived in which includes Chicago and Pittsburgh. But like most local stores they’re also pricey and when you’re on a budget, online merchants especially the surplus ones are perfect for most if not all of your component needs. I could spend hours looking for components in the aisles in our local tech friendly stores for work and home projects or get exactly what I need online in minutes without paying a fortune for them.
News - Hardware Hump Day: Physic…
about 9 months ago
Great project Feldi, I learned something new and the lesson helps understand another project I’m working on.
Thanks for continuing to share despite being mansplained and nit picked on ticky tack details for many of the projects you post. Keep the posts coming :)
News - Enginursday: 60 USB Charg…
about 10 months ago
Connect a load with lots of sodium to it like a pickle or a hot dog.
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