by Sjaak | Sep 22, 2017 | Blog, EAGLE, manufacturing, testing |
I played some time with the idea of making a cheap testing/programming jig. For the T12 controller I had one professionally made in Shenzhen. It wasn’t too expensive but IIRC it was about 65-75 USD and came without any wiring. Testing jigs are basically a...
by Sjaak | Jul 23, 2017 | Blog, PCB, testing, tipsntricks |
As a good electronic hobbiest tradition I started to design a businesscard from PCB material. Downside of all the businesscards (and PCBs in general) is the limited number of colors you can use: FR4, soldermask (with or without copper behind it), silkscreen or bare...
by Sjaak | Feb 5, 2017 | Blog, fail, gd32, PCB, stm32 |
I’m always fascinated by Zero Insertation Force (ZIF) Sockets, but a bit scared by the price. Simple ones (DIP and SOIC) goes for a few bucks on Ebay, but the more fascinating ones (QFP, QFN, (T)SOP, BGA) either can’t be found or are very expensive. Even...
by Sjaak | Jan 3, 2017 | Blog, EAGLE, PCB, Prototyping, tipsntricks |
Today I stumble across a neat/new feature in Eagle I haven’t seen before. Prolly in there since early versions 7, but at least it is present in version 7.5.0 (current version at writing is 7.7). Some PCB manufacturers will accept panelized PCB and you can save a...
by Sjaak | Sep 23, 2016 | arm-cortex, Blog, Prototyping, stm32 |
Prolly not, but I haven’t made a developmentboard before and I didn’t know of a development board that uses the QFN36 footprint. I recently went on a trip to Shenzhen to visit Ian from Dangerousprototypes.com and there I learned about a big Chinese...
