I’m working on a USB DDS (direct digital synthesis) board that will be a plug-in module for another application. Here’s a block diagram: It has a few interesting features that I thought others might be interested in: – AD9852 direct digital synthesis IC with 300 MHz adder, 48 bit accumulator, and digital inverse sinc […]
So you’re on Windows and want to use Dropbox or Google Drive with it’s own drive letter? Step 1: First figure out where your Dropbox or Google Drive folder is stored. Go to ‘Computer’ and right click on Dropbox or Google Drive and copy the whole path name that is in the text field labeled […]
I dread creating part models in Eagle – it’s time consuming and error prone. Over the years I have used scripting languages to help with the tedious work. It’s quite easy to create basic part footprint algorithms given the mechanical drawing. Much more tedious would be drawing a picture on graph paper and using your […]
A common annoyance I have is that I’ll design a gadget: make the schematic, figure out how big the board can be, design the board – all of these so far are creative tasks requiring some skilled input as to the technical details. Then you order the board (a task let’s set aside for now) […]
Here it is in gallery form. Click on an image to see a larger version.