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29 Jan 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]

OpenServo project – [Link]

25 Jan 2011

Deddie Lab has two interesting Secret Dice projects. The first one is wooden and the second one is metallic. These dices will open only if the secret code is entered. To enter the code you must tilt the box in the correct ways. When the correct code is entered a servo motor will unlock the box so you can get your reward.  [via]

Hide Goodies in a Secret Box – Atmega88 Based – [Link]

15 Jan 2011

Jeremie Boulianne of Calgary came with a unique way to build a linear actuator: [via]

Linear actuation is an elusive and expensive field to get into but I always seem to find a need for it with robots I build. Whether it being to raise a turret or dispense a marker a linear actuator would be so handy.

My proof-of-concept solution (hack) was to create a linear actuator design that is accessible to even electronics enthusiasts on the tightest budget

Deodorant-stick linear actuator – [Link]

11 Jan 2011

This article shows how to convert a servo into and geared motor.

But, you still want the RPMs of a servo without the hassle of the pulsing control. So, you hack the servo and make it a geared motor. Easy! Here’s how…

Turn a Servo Into an Inexpensive Geared Motor – [Link]

8 Jan 2011

This project is a mounting system that adds mechanical tilt control to the iPhone. The unit uses two servo motors to move the iphone on the X and Y axis. The system is controlled by an analog joystick and an Arduino board. It can be used to play accelerometer-based games on the iphone. [via]

iPhone tilt motion controller – [Link]

15 Dec 2010

This is a robotic arm paired with a stepper motor to move it back and forth. It grabs up a sharpie pen and receives automated commands to dot out pictures.

The Sharpie Dotifier uses 5 servo actuators to move the arm up, down and to grip objects. The robotic arm is on a wooden stage which is moved back and forth via a threaded rod. The stepper motor turns the threaded rod so that the stage moves back and forth. Because the motor moves in precise steps we can reliably track the movement back and forth and always know where the stage is.

The Sharpie Dotifier – [Link]

7 Dec 2010

This project is a PCB etching solution rocker that uses a servo motor to agitate the etching solution. The base is build from wood and the servo is controlled by a PIC 18F2620.

PCB Etching Solution Rocker – [Link]

7 Dec 2010

This project is a meter clock that is styled like a VU meter. The two meters are attached to servo motors and are controlled by a PIC 18F2550. The box is build by y first making a form, then laminating thin sheets of wood. Complete project documentation can be found on the link below. [via]

Meter clock in wooden box – [Link]

30 Nov 2010

This project uses a cellphone interfaced via an MT8870 DTMF decoder and an Atmega16 to operate servos controlling a robotic car. Check circuit and construction details on the link below. [via]

Cellphone controlled Robot – [Link]

27 Nov 2010

This project adds pan and tilt features to a webcam. It has IR control and uses a common television remote to instruct a servo motor. The device is based on Picaxe 08M microcontroller. Check details and schematic on the link below.

Cammy v.1.0 Living Room Webcam Tracking – [Link]





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