Friday, 5 December 2014

Improved Current Load

Some Free Advice!

(Update - July 2019 - see the end of this post regards how not to blow this up!).

Back when I wrote about my failure to build a current limiting circuit for my Alarm Panel Interface, Zega was kind enough to offer me some advice.

Long story short, half the oscillations I was chasing in my limiting circuit were due to my quick and dirty Constant Current Load.  

Here's the Problem...

Thursday, 4 December 2014

nrf51822 QFN48 Reference Design

Giving Back

The other day I was looking at my blog stats, I was surprised to find that my KiCAD posts were linked to, where someone was wanting help converting an Altium reference design into KiCAD.

So, I thought I'd help out - here's the reference designs, converted to KiCAD PCB.


Tuesday, 2 December 2014

KiCAD Tidbits

KiCAD, For Profit!

I recently picked up a small contract for a board design, and the client wanted to use KiCAD.

I'd dabbled with KiCAD before, and even though I wont favour it over Altium, it's still a useful package, at a great price :)

But, it's not without it's quirks.

All About The Angles