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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: 
22 Aug 2016 - 14:25

Dear: CKR

Just letting you guys know I have finally finished the chassis for my trinity robot attempt #3. This is my third attempt to build a robot that qualified for the trinity challenge. The last attepts didn't qualify. Just letting you guys know this is not the first chassis of this...

nschreiber0813's picture
Author: 
nschreiber0813
Last updated: 
1 Aug 2016 - 18:41
In progress

This is Ava. I've been working on her about a year in spare time. She is my best work to date. Ava is a general purpose utlity bot that is social, likes to tell jokes, and can teach people a lot of things. She presented on a panel at SXSW2016 that discussed robot improv comedy. She is...

Author: 
mtriplett
Last updated: 
26 Jul 2016 - 13:12
In progress

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
Author: 
nschreiber0813
Last updated: 
23 Jul 2016 - 18:04

Hello my name is Matt and i have a robot that my Dad is helping me build, I'm ten years old. My Dad's name is peter, he helps me becauce he is good at it. Max is a diffenental drive robot, l've been working on him for over a year, he has three wheels two speakers at the front and alot of circuit...

Author: 
mat_heim
Last updated: 
18 Jul 2016 - 03:08
In progress

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...

nschreiber0813's picture
Author: 
nschreiber0813
Last updated: 
2 Jul 2016 - 05:26

I designed this robot control board for my students to be used as a basis for an entry into a robotics competition hosted by a university near us. It is shown on a Magician Chasis that I used as a test platform.

http://www.robotscience....

Author: 
Mr_Booo
Last updated: 
15 Jun 2016 - 10:39
Finished

Hello guys this is me Noah and my first robot project on here. It is a wooden robot cut with a jigsaw and I used a drill and screws to add the motors, the caster, and the arduino to the robot.Right now all the robot does is move around without encoders or sensors. It used to have a webcam but I...

nschreiber0813's picture
Author: 
nschreiber0813
Last updated: 
20 Jun 2016 - 15:03
Abandoned

Robbie has been a long term project (7 years) mechanically Robbie is complete there will still be upgrades and improvements but overall I'm happy with the design the shoulder gearboxes will be replaced soon with a version that has bearings and magnetic encoders stronger motor drivers but they...

Author: 
peter_heim
Last updated: 
28 May 2016 - 06:47
In progress

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...

Roxanna77's picture
Author: 
Roxanna77
Last updated: 
18 May 2016 - 16:45