![]() Steel created the dress as a project for Victoria University's Wearable Technology program, and according to her Tumblr, was inspired by "classic movies and the ‘magic of film'. When lit, the system even pulses various LEDs, turning the dress into a constantly-shifting array of images. OBJECT TRACKING CAMERA SLIDER:This is a remotely controlled (from your smartphone) CAMERA SLIDER with tracking system. Out in the sunlight, the dress is completely black, but in areas with subdued lighting, the dress glows, illuminating the various slides. An integrated light sensor connected to an Arduino Lilypad measures the amount of ambient light in the room, and dynamically adjusts the brightness of the LEDs based upon the location. The work of Emily Steel, a student at Victoria University of Wellington's School of Design, the dress is made up of individual film slides backed with LEDs. With the Little Slide Dress, Arduino is being used in conjunction with film slides to make a mark on fashion as well. Note that these are very rough figures (and my maths may be wrong) so it would be wise to allow for the possibility that you need a battery twice that size.We've seen open-source Arduino microcontrollers used to create everything from a steering wheel with haptic feedback to a replica of Battlestar Galactica's Mark VII Viper. ![]() To operate for an hour that would require a 4 amp-hour battery (because battery capacity is usually wildly overstated). The three motors together would draw about 17 watts and if they were powered by a 12v battery the current draw from the battery would be at least 17 / 12 = 1.4amps - say 2 amps to allow for inefficiencies. Stepper motors draw the full current even when stationary so are not really suitable for battery power. The Arduino is also connected to a limit switch, which defines the position of the slider at startup and an illuminated LED button, which is pressed to start. This Arduino based project is 100 DIY, built with cheap materials like MDF and plywood and controlled using Arduino, three stepper motors, some buttons and a joystick attached on a custom designed PCB. We have cameras hooked up, the DVR hooked up. At 1.4 amps they would draw about 4 watts. In this tutorial we will learn how make a motorized camera slider with pan and tilt head. Night Owls C20X and C50X Series Camera Compatibility: Connect one end of the. ![]() Having said that you may find that you get enough torque with the current limit on the A4988 set at 1.5 amps.Īssuming the motors are given the full 2 amps then their power consumption will be 2A x 2.8v = 5.6 watts. If you need the torque available from the full 2 amp current then IMHO you should get drivers that are capable of supplying at least 3 amps so you have a bit of headroom. The slightly more powerful DRV8825 will also not be adequate. It's practical max is about 1.4 amps, maybe a little more as you have heat sinks. ![]() oh well)Īn A4988 will not be able to provide the 2 amps needed by those motors. I have A4988 drivers with heatsinks that I was planning to use for the steppers, but now I realize the amperage might be a problem? I could of course lower amps and loose some torque.Īgain, the use case is pulling low resistance slider, as well as pan and tilt a camera (low friction and force required obviously also in focus for these two parts)Īnyways any suggestions for a safe battery solution to such a project, or is it unrealistic? (I am beginning to suspect motors optimised for this specifc usecase might be an idea. ![]() I am looking to having it battery powered, even if it is only able to operate an hour or little more. I bought three 17hs19-2004s1 stepper motors cheap and are now planning on making a camera slider with pan and tilt. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |