Pololu Blog (Page 37)

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.

Interfacing a FrSky telemetry receiver with a Baby Orangutan.

Posted by Paul on 15 October 2010
Interfacing a FrSky telemetry receiver with a Baby Orangutan.

Forum user erik46 wrote up a document (523k pdf) showing how to read FrSky telemetry data and display it with a Baby Orangutan. The whole setup is small and light enough to clip on to an RC transmitter. For more information, see his forum post.

iPhone-controlled 3pi Robot.

Posted by Ryan on 20 July 2010
iPhone-controlled 3pi Robot.

In this project, a WiFi module is connected to a 3pi robot, allowing it to be controlled by an iPhone. Here is a video of the robot in action:

Featured link: http://forum.pololu.com/viewtopic.php?f=2&t=2816

Obstacle Avoider

Posted by Paul on 14 June 2010

This simple obstacle-avoiding robot by forum user TomatoWire is based on the Maestro and uses continuous-rotation servos and distance sensors. The robot is programmed using the Maestro’s internal scripting language, without the need for an additional microcontroller.

Featured link: http://forum.pololu.com/viewtopic.php?f=2&t=2756

AIRbot

Posted by Ben on 21 May 2010
AIRbot

AIRbot is a robot that can be controlled by a cellphone and can send images back to the cellphone. It uses a yellow RP5 tracked chassis, a transparent clear RP5 expansion plate, and a qik 2s9v1 dual serial motor controller along with the AIRcable S.D.K. and the AIRcable OptiEyes. The source code (both AIRcable and Nokia) and circuit diagrams are freely available.

Featured link: http://wiki.opensensors.org/airbot

Automatic Infrared Light Source Tracking HD Camcorder

Posted by Ben on 26 February 2010
Automatic Infrared Light Source Tracking HD Camcorder

In this project, an HD camcorder sits on a pan/tilt mount controlled by a Micro Maestro 6-Channel USB Servo Controller. A Wiimote is used to track an IR light source. Here is a video taken from the mounted camcorder:

Featured link: http://helifreak.com/showthread.php?p=1868143#post1868143

Using the Pololu Pushbutton Power Switch

Posted by Paul on 22 February 2010
Using the Pololu Pushbutton Power Switch

This instructable shows how to power an Arduino through the Pololu Pushbutton Power Switch and use the self-shutoff feature.

Featured link: http://www.instructables.com/id/Using-the-Pololu-Pushbutton-Power-Switch/

Maestro Support for RoboRealm

Posted by Paul on 17 February 2010
Maestro Support for RoboRealm

This module for RoboRealm provides an interface to the Pololu Maestro USB servo controllers, linking advanced video processing to RC servo motion control.

Featured link: http://www.roborealm.com/help/Pololu_Maestro.php

R2D2 dome position control

Posted by Paul on 16 February 2010
R2D2 dome position control

This replica of the famous Star Wars droid R2D2, built by Glenn Pipe, uses a Jrk USB motor controller for position control. The video below shows how Glenn uses the Jrk Configuration Utility to control and analyze his system, and his blog post has more information.

Featured link: http://astromech.wordpress.com/2010/02/05/adding-position-control-to-r2s-dome/

Paparazzi Autopilot for Linux

Posted by Paul on 16 February 2010
Paparazzi Autopilot for Linux

Patrick Hickey and Bradley Lord use a Pololu Micro Maestro for servo output and a Pololu 4 servo multiplexer to support manual control override in their model aircraft autopilot project.

Featured link: http://moreproductive.org/autopilot/

Active Magnetic Bearing: Tripod Floater v2.0

Posted by Ben on 1 February 2010

In this video, Meindert Norg from Norg Consulting demonstrates his active magnetic bearing, Tripod Floater. The closed-loop system uses three Pololu 18v15 high-power motor drivers as PWM amplifiers to power the magnetic coils that keep the module floating beneath the metal plate.

February, 2010 update: the Tripod Floater is now wireless:

Featured link: http://www.youtube.com/watch?v=e-f_H68Rl4g