Pololu Blog (Page 87)

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…

Paper Robots

Posted by Ryan on 6 January 2012

Mike Estee has written up a three-part blog post about crafting hexapod chassis out of paper. The robots are controlled by 18-channel Maestro servo controllers.

Android-controlled Mini Sumo Robot

Posted by Ryan on 6 January 2012

Pololu forum user Mert Öztoprak posted this parts list and the short video above of a Android-controlled mini sumo robot called “Karafatma”.

November 2011 update: new building, new machines

Posted by Jan on 30 November 2011
November 2011 update: new building, new machines

Five months ago, I wrote that we “just finished a big facility expansion that was taking up a lot of my attention this year, so I have some more time now …” Well, that turned out to be wrong. It’s also been over a year since I started this blog, and so far, I am way behind my target of an article per week. It doesn’t help when I don’t post for four months, but some exciting stuff has happened in that time. Continued…

Simple 3pi Projects for the Arduino IDE

Posted by Ben on 8 August 2011

These projects by Daniel J. Sullivan are intended to introduce novice users to all the components on the 3pi robot and how they can be used while programming with the Arduino IDE. Each project builds on the one before it, and comments within the programs are used to provide background information when new items are introduced.

Continuous-rotation servos and multi-turn servos

Posted by Jan on 26 July 2011
Continuous-rotation servos and multi-turn servos

As I discussed in the introduction to servos, one of the consequences of hobby servos’ intended use is that rotation range is limited to about 180 degrees. In this post, I will talk about two exceptions to this general rule: continuous-rotation servos and multi-turn servos. Each of these products loses some features in return for increased rotational range, so none of them are the ideal actuators many would like them to be. There are some specialty servos developed for robot applications that get around the limitations, but those servos are not as standardized and do not really fit into the hobby servo category, so I am not going into any more detail on those beyond mentioning that they exist. Continued…

"Mr. Twitchy" project featuring Wixels

Posted by Ben on 8 July 2011

Mr. Twitchy is a project that uses two Wixels to wirelessly control an electrical stimulation device. The project was featured in Sparkfun New Product post.

New Products

JST SH-Style Connector Board for Micro Metal Gearmotors, 2-Pin, Back-Entry (10-Pack)
A5984 Stepper Motor Driver Carrier, Fixed 500mA@5V / 330mA@3.3V (Soldered Header Pins)
Pololu I²C Isolator, ISO1640
Pololu I²C Isolator with Connectors, ISO1640
Pololu Ideal Diode Reverse Voltage Protector, 4-60V, 25A
Pololu Digital Distance Sensor with Pulse Width Output, 300cm Max, Side-Entry Connector
A5984 Stepper Motor Driver Carrier, Fixed 1A@5V / 660mA@3.3V, Blue Edition (Soldered Header Pins)
3.3V, 100mA Step-Down Voltage Regulator D45V1E1F3
JST SH-Style Cable, 2-Pin, Female-Female, 16cm
Pololu Ideal Diode Reverse Voltage Protector, 4-60V, 20A
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