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Posts Tagged ‘servo’

Modifying a Tower SG90 servo for continuous rotation with potentiometer position sensing, Part 1: Investigation and continuous rotation

Thursday, February 26th, 2015

Keith wrote an article on modifying a Tower SG90 servo for continuous rotation with potentiometer position sensing: On its own, the servo takes power, ground, and a position input and moves the shaft within a range of rotation to match the angle requested on its input wire. It has one or more...

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Posted in robotics | 3 Comments »

Optically controlled servo motor

Thursday, October 23rd, 2014

Dilshan Jayakody  writes: This is demonstration project to control servo motor movement using physical marker and normal video camera. In this project video camera capture the movements of marker and calculate rotation angle based on that. This calculated rotation angle is feed to the servo through small MCU based interfacing...

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Posted in hacks, PIC | No Comments »

Wireless servo controller II

Friday, September 5th, 2014

Ondřej Karas of DoItWireless writes: We described simple method, how to drive modellers servo. Today, we are going to try to drive this servo from potentiometer connected to TR module ADC. It is reaction to forum thread where is discussion about airplane model control possibility. Check out the video after the...

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Posted in how-to | No Comments »

Joystick controlled pan tilt kit

Wednesday, September 18th, 2013

Bajdi writes: One of the things I bought is a small plastic pan tilt kit. I got it on Ebay. It didn’t come with the servos. But I still had some small Micro 9G servos that fit the kit. To try it out I hooked up the little servos to...

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Posted in wireless | No Comments »

Resistor cutting robot from .:Oomlout:.

Friday, December 7th, 2012

[embed]http://www.youtube.com/watch?v=vc5YbyaU2fU[/embed] On our Shenzhen trip we were joined by the Oomlout team. While discussing a reel-to-strip cutting robot, Aaron mentioned that he has a resistor cutting robot. It's built from laser cut MDF and acrylic, with a bunch of servos attached to load and cut the resistor tape. The project...

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Posted in DIY, gadget | 3 Comments »

Tutorial on modifying servos for continuous operation

Monday, July 2nd, 2012

How to modify standard servos for continuous operation. This hack involves opening up the servo, removing the limit mechanics, and modifying the feedback pot. In his second tutorial Andrey shows how to add a rotatory encoder to the servo, for position feedback. It will stand still with control pulse of...

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Posted in tutorials | 1 Comment »

Launchpad based servo walker

Friday, June 29th, 2012

[embed]http://www.youtube.com/watch?feature=player_embedded&v=jZtFp__QuTc[/embed] Vinu designed and built this servo walker based on the MSP430 Launchpad. He documented his design, along with instructions on how to build one. Hi, I bought two small servo motors last month. I was thinking what I can do with this two servo, since it is only two...

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Posted in project logs, robotics | No Comments »

Low-tech Arduino based cell phone trigger

Friday, June 1st, 2012

William Finucane of revoltlab.com posted this article describing a simple low-cost means of activating devices remotely via telephone. I wanted to be able to call my house and turn on the lights and television during nights when I was away on vacation. What's more, I didn't want to spend any...

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Posted in Arduino, code, sensors | No Comments »

Using servos with PIC16F microcontrollers

Monday, April 9th, 2012

Raj wrote a tutorial on how-to implement servo control on PIC16F microcontrollers. The article starts off with some servo theory, and is followed with an open source practical example. A servo motor is a special geared DC motor equipped with an electronic circuit for controlling the direction of rotation, as...

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Posted in tutorials | 3 Comments »

Autonomous servo switcher

Wednesday, March 23rd, 2011

Simon has created an servo switcher for use on autonomous vehicles. designed to allow manual control if the autonomous controller fails. Using a pic12f683 and 4066 analog switch. source code and board files are available on his website. Via Hack a Day

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Posted in PIC, robotics | 1 Comment »

OpenServo project

Friday, January 28th, 2011

The OpenServo Project is an open community project with the goal of creating a low-cost servo for robotics. Check out their step by step instructions, which include using the familiar Atmega168 in the servo controller board. Via Hack a Day.

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Posted in parts | No Comments »

Arduino/Processing based sonar

Friday, November 26th, 2010

LuckyLarry has developed a sonar system based on the Arduino and an SRF-05 ultrasonic range finder. A servo sweeps the range finder across the target field, with the pingbacks processed and displayed on the desktop with Processing. Via Hackolog.

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Posted in Arduino, Processing | No Comments »

Bus Pirate firmware v5.6

Friday, August 13th, 2010

Bus Pirate firmware v5.6 is ready to download. This is a bugfix release: Fixed swapped SPI sniffer macros Stop PWM/servo between modes Fixed servo prompt and error Prevent servo in hiz Updated the text for servo code Added servo command to the help Read about the firmware update process for...

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Posted in Bus Pirate, firmware | 1 Comment »

Bus Pirate firmware v5.5

Friday, August 6th, 2010

Bus Pirate firmware v5.5 is ready to download. This version has a few new features and a couple bug fixes. New servo controller ('S'), thanks Randy New SPI binary bulk read/write should speed up Flashrom Updated commands to support piratePICprog Some bug fixes, as usual Read about the firmware update...

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Posted in Bus Pirate, firmware | 3 Comments »

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