Pololu Blog (Page 78)

Welcome to the Pololu Blog, where we provide updates about what we and our customers are doing and thinking about. This blog used to be Pololu president Jan Malášek’s Engage Your Brain blog; you can view just those posts here.

Popular tags: community projects new products raspberry pi arduino more…

RGB shoji lamp

Posted by Ben on 23 April 2013

This Japanese-style lamp by Pololu engineer Kevin Chang was made from laser-cut parts and uses an RGB LED Satellite Module 001, a ShiftBar, and a Pololu Mini Maestro 12-channel servo controller.

Here is a video of the lamp in action:

Featured link: http://blog.kevinwchang.com/post/48595870556/rgb-shoji-lamp

Raspberry Pi Telepresence Rover

Posted by Ryan on 12 April 2013

This tank rover by Michael Shimniok streams video to and can be controlled from a web browser. All rover functions are controlled directly by the Raspberry Pi with no additional microcontrollers. It uses our Pololu 30T Track Set, idler wheels, 150:1 Micro Metal Gearmotor MP, DRV8835 Dual Motor Driver Carrier, and Pololu Step-Down Voltage Regulator D15V35F5S3.

Featured link: http://www.bot-thoughts.com/2013/04/raspberry-pi-telepresence-rover.html

Fuzzbot

Posted by Ryan on 1 April 2013

Fuzzbot, by 12-year-old maker Quin of Qtechknow, helps clean the floors by dragging a dust cloth around while avoiding obstacles. The robot uses the Pololu Zumo Robot Kit for Arduino.

Related post: Qtechknow wins Educator’s Choice award at Maker Faire

Featured link: http://blog.makezine.com/2013/04/12/introducing-the-fuzzbot/

Raspberry Pi-based State Poster Project

Posted by Ryan on 25 March 2013

Emma, a 2nd grader, put together this creative tri-fold poster of Vermont. She uses the Pololu Step-Down Voltage Regulator and a Pololu Pushbutton Power Switch SV.

Featured link: http://www.swblabs.com/?p=871

LPS331AP pressure sensor test flight

Posted by Jan on 20 March 2013
LPS331AP pressure sensor test flight

We expect to release a simple carrier for ST’s new LPS331AP pressure sensor this week. While testing and writing example programs for the sensor, one of our engineers, Kevin, came up with a nice demonstration that calculates and displays the altitude on our Orangutan SVP robot controller. It was a beautiful spring day with great flying weather, so Paul and I took Kevin’s digital altimeter on a flight to Lake Havasu City, Arizona, to see how it compared to the altimeter in a plane. Continued…

More fun machines, part 2

Posted by Jan on 18 March 2013
More fun machines, part 2

I posted toward the end of last year about some new equipment we were adding to our manufacturing operations and said the best stuff was still coming. I and several others at Pololu have since had some more personal deliveries of the crying-all-night sort, which delayed my promised update. I still do not have the performance information I had hoped to have by now, but let’s at least look at what we got: Continued…

Irowe 4550

Posted by Ryan on 15 March 2013

This fully-autonomous robot can detect and avoid objects, track moving objects, detect table edges, and detect level lights. The robot uses Sharp optical range finders and Pololu wheels.

Featured link: http://forum.pololu.com/viewtopic.php?p=31673#p31673

BumbleBee Autonomous Underwater Vehicle

Posted by Paul on 13 March 2013

Congratulations to Team BumbleBee on winning 2nd place in the 2013 Singapore AUV competition! Their autonomous underwater vehicle uses a High-Power Motor Controller 18v15.

Featured link: http://bbauv.com/bumblebee-placed-2nd-in-singapore-autonomous-underwater-vehicle-2013/

Freedom Zumo Robot

Posted by Ben on 13 March 2013

This robot uses our Zumo robot kit, 75:1 micro metal gearmotors, and a Zumo reflectance sensor array. Instead of an Arduino it uses a Freescale FRDM-KL25Z as the microcontroller board. Sample code is available for line following and maze solving.

Featured link: http://forum.pololu.com/viewtopic.php?f=29&t=6657

Wixel breakout board for servos

Posted by Paul on 8 March 2013

This board by Martin Sant makes connecting servos to the Wixel easier.

Featured link: http://martinsant.net/?page_id=962

New Products

Zumo 2040 Main Board
Ribbon Cable Premium Jumper Wires 10-Color F-F 60" (150 cm)
ACS37220LEZATR-200B5 Current Sensor Large Carrier -200A to +200A, 5V
ACS72981LLRATR-100U5 Current Sensor Compact Carrier 0A to 100A, 5V
298:1 Micro Metal Gearmotor LP 6V with 12 CPR Encoder, Side Connector
ACS37220LEZATR-100B5 Current Sensor Compact Carrier -100A to +100A, 5V
6V Step-Up/Step-Down Voltage Regulator S8V9F6
150:1 Micro Metal Gearmotor MP 6V with 12 CPR Encoder, Side Connector
ACS72981LLRATR-050U3 Current Sensor Compact Carrier 0A to 50A, 3.3V
ACS72981KLRATR-150U3 Current Sensor Compact Carrier 0A to 150A, 3.3V
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