Blog entries

We are aproaching our first year! Any ideas for a way to celebrate this milestone?

I want to thanks all who have been contributors to the site!

Roxanna

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Author: 
Roxanna77
Last updated: 
30 Aug 2016 - 22:37

This buck converter/step down is based on KA7500c SMPS controller chip, the following circuit is from the reference design you can find the details of the circuit and calculations from the document. This is one of the...

viswesh's picture
Author: 
viswesh
Last updated: 
11 Sep 2016 - 23:39

Dear: CKR

I saw on thingiverse that Roxanna built a totally awesome 3D printer enclosure. It meant for a prusa I3 and I happen to own a prusa I3. So anyways I then printed this morning some of the parts for the enclosure within less...

nschreiber0813's picture
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nschreiber0813
Last updated: 
23 Jul 2016 - 18:04

Dear: CKR

Hi just letting you guys know thank you for all your help and support my 3D printer is fixed at last. What happened last time with my 3D printer was my extruder stepper motor was skipping steps. My attempt to fix it was to tune it without knowing how to tune it and that ended...

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Author: 
nschreiber0813
Last updated: 
2 Jul 2016 - 05:26

I'm going to this Saturday, I'll try to get some pictures and videos and post here.

Robofest is a festival of competitions and events with autonomous robots that encourages students to have fun while learning principles of Science, Technology, Engineering, and math (STEM) and Computer...

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Author: 
Roxanna77
Last updated: 
18 May 2016 - 16:45

Arduino and servos have pretty much gone together from the inception of the legendary Arduino hardware project . If you look on the web, you see many examples, questions and uses of Arduinos boards and servos together. In this article, I will introduce a set of code to allow the Arduino MKR1000...

Author: 
jscottb
Last updated: 
8 Apr 2016 - 09:55
National Robotics Week 2016

Are you ready for National Robotics Week 2016? The seventh annual National Robotics Week event will be held April 2-10, 2016. RoboWeek 2015 was awesome and 2016 promises to be even better! Activities can be small,...

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Author: 
Roxanna77
Last updated: 
1 Apr 2016 - 08:19

This is a part of my RF transceiver project, no parts for building tranceiver yet , so i have started with the audio amp circuit, amplifier circuit is based on TDA2822M chip, which is configured in bridge mode and I used a single sided Copper plated board for Manhattan construction. :P

...

viswesh's picture
Author: 
viswesh
Last updated: 
17 Mar 2016 - 13:24
This project continues from my previous work:

Lab LED Controller

Revising Board

This is an extension of previous work. I had finished a LED driver for the lab, hooked it up, and found it was a fire...

Ladvien's picture
Author: 
Ladvien
Last updated: 
1 Mar 2016 - 20:07

Printing with transparent filament can teach a lot about how each item you print really needs its own slicing configuration. Sure, for many things a general slice config can and will work, but to get more perfect prints requires a bit of tweaking. For instance, transparent filament will expose...

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Author: 
Roxanna77
Last updated: 
22 Feb 2016 - 20:17