# Public forum

**URL:** https://www.robotexchange.io/c/public-forum/23.md?page=2

[Latest](https://www.robotexchange.io/latest.md) · [Categories](https://www.robotexchange.io/categories.md) · [Tags](https://www.robotexchange.io/tags.md)

**Page:** 3

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## [How to update Universal Robots? \[Dutch\]](https://www.robotexchange.io/t/how-to-update-universal-robots-dutch/684)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [April 9, 2019, 11:24am UTC](https://www.robotexchange.io/t/how-to-update-universal-robots-dutch/684 "2019-04-09T11:24:17Z")

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Laurens (Gibas, importer of UR robots in The Netherlands) wrote: Algemeen onderhoud is in principe niet nodig aan de robot, software updates zijn vaak wel nuttig. Deze updates kun je echter zelf ook uitvoeren. Hieron…

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## [PLC - asynchrone timers op 1 signaal](https://www.robotexchange.io/t/plc-asynchrone-timers-op-1-signaal/680)

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**Author:** [@Sammes](https://www.robotexchange.io/u/Sammes)\
**Replies:** 2\
**Last updated:** [April 9, 2019, 10:21am UTC](https://www.robotexchange.io/t/plc-asynchrone-timers-op-1-signaal/680 "2019-04-09T10:21:27Z")

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@4lloyd Ik probeer het signaal in mijn programma op te splitsen om verschillende timers te laten lopen. Anders stuurt de tweede cilinder maar de helft van de KitKats van de baan. Het programma ziet er als volgt uit, zoa…

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## [Looking for Phyton programmer for LPFRG.com 3D Printers](https://www.robotexchange.io/t/looking-for-phyton-programmer-for-lpfrg-com-3d-printers/679)

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**Author:** [@Loek](https://www.robotexchange.io/u/Loek)\
**Replies:** 0\
**Last updated:** [April 4, 2019, 2:32pm UTC](https://www.robotexchange.io/t/looking-for-phyton-programmer-for-lpfrg-com-3d-printers/679 "2019-04-04T14:32:33Z")

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Leapfrog 3D printers is looking for a Phyton programmer for R&D projects. Current project: RFID reading writing

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## [Siemens S7 PLC: Trouble putting Activatescreen event in HMI tag \[Dutch\]](https://www.robotexchange.io/t/siemens-s7-plc-trouble-putting-activatescreen-event-in-hmi-tag-dutch/625)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 1\
**Last updated:** [April 2, 2019, 7:25am UTC](https://www.robotexchange.io/t/siemens-s7-plc-trouble-putting-activatescreen-event-in-hmi-tag-dutch/625 "2019-04-02T07:25:06Z")

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@Zander says: Ik wil met een error die via python modbus wordt opgestuurd een error screen openen maar lukt me niet. Ik probeerde een Activatescreen event in een HMI tag te zetten maar deed niks. Ik hoor graag hoe ji…

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## [Communication between Python and PLC through TCP](https://www.robotexchange.io/t/communication-between-python-and-plc-through-tcp/630)

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**Author:** [@Sammes](https://www.robotexchange.io/u/Sammes)\
**Replies:** 1\
**Last updated:** [April 1, 2019, 1:41pm UTC](https://www.robotexchange.io/t/communication-between-python-and-plc-through-tcp/630 "2019-04-01T13:41:30Z")

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@4lloyd, a question: I’ve got the following PLC programme: Which is communicating with this Python code: def check\_transport\_band(conn): number1 = 0 try: data = conn.recv(512) print("Data re…

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## [CTUD function not working (Siemens S7 PLC) \[Dutch\]](https://www.robotexchange.io/t/ctud-function-not-working-siemens-s7-plc-dutch/627)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [April 1, 2019, 9:22am UTC](https://www.robotexchange.io/t/ctud-function-not-working-siemens-s7-plc-dutch/627 "2019-04-01T09:22:20Z")

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@Sammes said: Ik probeer deze CTUD functie zo te laten werken dat die tot 26 telt en vervolgens van 26 weer naar 0. Hierbij wil ik dat hij tijdens het terug tellen een signaal verstuurd wat ik kan gebruiken. Hoe kan i…

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## [Communication between Kawasaki Robot D-controller & Python \[Dutch\]](https://www.robotexchange.io/t/communication-between-kawasaki-robot-d-controller-python-dutch/626)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 0\
**Last updated:** [April 1, 2019, 9:14am UTC](https://www.robotexchange.io/t/communication-between-kawasaki-robot-d-controller-python-dutch/626 "2019-04-01T09:14:47Z")

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@jona991 said: We willen vanuit Python communiceren met de Kawasaki. Wij weten echter niet of dat kan en hoe dat werkt. Is er een communicatieprotocol of moet het via een omweg? @guusparis replied: Ja, er is een co…

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## [Kawasaki i/o connection](https://www.robotexchange.io/t/kawasaki-i-o-connection/617)

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**Author:** [@frank](https://www.robotexchange.io/u/frank)\
**Replies:** 1\
**Last updated:** [March 29, 2019, 3:24pm UTC](https://www.robotexchange.io/t/kawasaki-i-o-connection/617 "2019-03-29T15:24:15Z")

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Wij proberen een relay aan te sluiten op de kawasaki om deze via i/o aan te sturen. Op welke punten kunnen wij deze het beste verbinden? @GuusParis @4lloyd

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## [What's the easiest tool to program in ROS?](https://www.robotexchange.io/t/whats-the-easiest-tool-to-program-in-ros/613)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 1\
**Last updated:** [March 28, 2019, 10:52am UTC](https://www.robotexchange.io/t/whats-the-easiest-tool-to-program-in-ros/613 "2019-03-28T10:52:26Z")

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@Jasper said: The ROS extension for VS Code is awesome for ROS development: https://marketplace.visualstudio.com/items?itemName=ajshort.ros You can get VS code itself here: https://code.visualstudio.com/ VS code is…

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## [Graduation project at TU Delft/SAM|XL](https://www.robotexchange.io/t/graduation-project-at-tu-delft-sam-xl/556)

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**Author:** [@rtonnaer](https://www.robotexchange.io/u/rtonnaer)\
**Replies:** 0\
**Last updated:** [March 16, 2019, 3:10pm UTC](https://www.robotexchange.io/t/graduation-project-at-tu-delft-sam-xl/556 "2019-03-16T15:10:59Z")

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Hi! An exciting graduation project has come up in our lab at SAM|XL. The project involves using VR tracking technology for Industrial mobile robotics. A full description is found here: SAMXL HBO Low-cost industrial ind…

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## [Internship @Centwerk](https://www.robotexchange.io/t/internship-centwerk/542)

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**Author:** [@Reinier\_CW](https://www.robotexchange.io/u/Reinier_CW)\
**Replies:** 0\
**Last updated:** [March 6, 2019, 12:45pm UTC](https://www.robotexchange.io/t/internship-centwerk/542 "2019-03-06T12:45:24Z")

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Hello everyone, We are offering an internship with focus on automation and production analysis. Centwerk is an assembly company with people from various cultural backgrounds. During the last few years, we have been deve…

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## [Read response from universal robot with a socket](https://www.robotexchange.io/t/read-response-from-universal-robot-with-a-socket/494)

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**Author:** [@mbakker96](https://www.robotexchange.io/u/mbakker96)\
**Replies:** 2\
**Last updated:** [February 13, 2019, 1:53pm UTC](https://www.robotexchange.io/t/read-response-from-universal-robot-with-a-socket/494 "2019-02-13T13:53:23Z")

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Hi, I’m trying to read the log from a universal robot E-series with a python socket. It connects with success with the robot and it receives information. The robot is running an easy UR-script and prints test constantly…

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## [UR5 moves to different position after teaching waypoint](https://www.robotexchange.io/t/ur5-moves-to-different-position-after-teaching-waypoint/491)

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**Author:** [@mickremmerswaal](https://www.robotexchange.io/u/mickremmerswaal)\
**Replies:** 6\
**Last updated:** [January 23, 2019, 5:08pm UTC](https://www.robotexchange.io/t/ur5-moves-to-different-position-after-teaching-waypoint/491 "2019-01-23T17:08:40Z")

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Hello, We teach our robot a waypoint, when going to this waypoint a few moments later it is shifted a few millimeters. Lencon2.urp (22.9 KB) default.installation (2.5 KB) Here is our code Maybe someone knows what is…

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## [UR Toolpathing without ROS](https://www.robotexchange.io/t/ur-toolpathing-without-ros/489)

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**Author:** [@mickremmerswaal](https://www.robotexchange.io/u/mickremmerswaal)\
**Replies:** 7\
**Last updated:** [January 10, 2019, 10:56am UTC](https://www.robotexchange.io/t/ur-toolpathing-without-ros/489 "2019-01-10T10:56:48Z")

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I have a stationary Glue needle that i want my component to run near. I need to construct a “tool” path with the UR but i do not know the best approach. I have tried setting up a CAM/CAD solution using Inventor but I can…

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## [URControl TypeError](https://www.robotexchange.io/t/urcontrol-typeerror/483)

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**Author:** [@mickremmerswaal](https://www.robotexchange.io/u/mickremmerswaal)\
**Replies:** 2\
**Last updated:** [December 22, 2018, 11:08am UTC](https://www.robotexchange.io/t/urcontrol-typeerror/483 "2018-12-22T11:08:37Z")

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When i run my script on a UR5 i get a URcontrol Type Error and have no idea what this is: Someone an idea?? Thank you in advance

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## [Using a different version of OpenCV in Ros (kinetic)](https://www.robotexchange.io/t/using-a-different-version-of-opencv-in-ros-kinetic/482)

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**Author:** [@mitchel.mulder](https://www.robotexchange.io/u/mitchel.mulder)\
**Replies:** 4\
**Last updated:** [December 19, 2018, 7:51pm UTC](https://www.robotexchange.io/t/using-a-different-version-of-opencv-in-ros-kinetic/482 "2018-12-19T19:51:11Z")

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Hello, At the moment I am trying to work with yolov3 in OpenCV in Ros Kinetic. Only yolov3 is supported from OpenCV 3.4.2 and up. Kinetic is natively on 3.3.1-dev. Is there a way to either upgrade to a newer version of…

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## [Variable becomes undefined between two lines of code, kawasaki robot](https://www.robotexchange.io/t/variable-becomes-undefined-between-two-lines-of-code-kawasaki-robot/422)

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**Author:** [@tom](https://www.robotexchange.io/u/tom)\
**Replies:** 7\
**Last updated:** [November 22, 2018, 3:32pm UTC](https://www.robotexchange.io/t/variable-becomes-undefined-between-two-lines-of-code-kawasaki-robot/422 "2018-11-22T15:32:14Z")

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We are using the kawasaki robot in our project, but it gives this weird error randomly in the code: (E0104) String variable is not defined. No = 1002 Program held.No = 1 Program = read\_tcp\_buffer Step = 18 PC progr…

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## [\[Solution\] ABB missing conveyor tracking](https://www.robotexchange.io/t/solution-abb-missing-conveyor-tracking/466)

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**Author:** [@robin.nogueira](https://www.robotexchange.io/u/robin.nogueira)\
**Replies:** 0\
**Last updated:** [November 10, 2018, 9:17pm UTC](https://www.robotexchange.io/t/solution-abb-missing-conveyor-tracking/466 "2018-11-10T21:17:56Z")

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On the ABB Flexpicker, conveyor tracking is missing, so you will have to make it yourself. Here is how to do that: You will need to place an encoder on the conveyer. Because the ABB doesn’t have fast counters you need …

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## [\[Work around\] ABB system error](https://www.robotexchange.io/t/work-around-abb-system-error/415)

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**Author:** [@robin.nogueira](https://www.robotexchange.io/u/robin.nogueira)\
**Replies:** 0\
**Last updated:** [October 18, 2018, 1:45pm UTC](https://www.robotexchange.io/t/work-around-abb-system-error/415 "2018-10-18T13:45:56Z")

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The ABB can get in system error state with bigger and multiple programs, this happens as soon you start the programs. The fixes we found for this is quite ugly! Warm reboot (only option) Commenting al the code in al t…

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## [Vacancy @ TU Delft: Robot application engineer](https://www.robotexchange.io/t/vacancy-tu-delft-robot-application-engineer/456)

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**Author:** [@thijs](https://www.robotexchange.io/u/thijs)\
**Replies:** 2\
**Last updated:** [November 12, 2018, 8:49am UTC](https://www.robotexchange.io/t/vacancy-tu-delft-robot-application-engineer/456 "2018-11-12T08:49:38Z")

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SAM|XL (part of the TU Delft) has a vacancy for a robot application engineer / software engineer. The vacancy mentions ‘software engineer’, but it’s actually more of a robot application engineer as I understood it. The…

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## [TNO: Participants wanted](https://www.robotexchange.io/t/tno-participants-wanted/458)

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**Author:** [@MSMurphy](https://www.robotexchange.io/u/MSMurphy)\
**Replies:** 0\
**Last updated:** [November 6, 2018, 12:19pm UTC](https://www.robotexchange.io/t/tno-participants-wanted/458 "2018-11-06T12:19:22Z")

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TNO is recruiting participants for a learning study that investigates product assembly using different operator support systems and instruction methods – specifically electronic work instructions (EWI), spatial augmented…

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## [\[Solved\] Calling "add-on" functions on UR-10 using Python](https://www.robotexchange.io/t/solved-calling-add-on-functions-on-ur-10-using-python/403)

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**Author:** [@stefanvanderlee](https://www.robotexchange.io/u/stefanvanderlee)\
**Replies:** 2\
**Last updated:** [November 1, 2018, 10:54am UTC](https://www.robotexchange.io/t/solved-calling-add-on-functions-on-ur-10-using-python/403 "2018-11-01T10:54:41Z")

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Hi! We’re currently using Python over ethernet to send commands to the UR-10. We’re also using a hex torque sensor and it’s add-on commands to provide extra functionality to the UR-10. Specifically we’re trying to use th…

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## [Kawasaki emergency stop wiring](https://www.robotexchange.io/t/kawasaki-emergency-stop-wiring/425)

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**Author:** [@barthem](https://www.robotexchange.io/u/barthem)\
**Replies:** 1\
**Last updated:** [October 31, 2018, 8:44am UTC](https://www.robotexchange.io/t/kawasaki-emergency-stop-wiring/425 "2018-10-31T08:44:48Z")

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Hello, Does anybody know how you wire up the upside down kawasaki button to an emergency button? We wanted to use the big kawasaki as example, but the group told us those wires just go into the board. The Inputs of the …

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## [Maritime Innovation Experience - 15 nov](https://www.robotexchange.io/t/maritime-innovation-experience-15-nov/423)

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**Author:** [@Thijs\_Brilleman](https://www.robotexchange.io/u/Thijs_Brilleman)\
**Replies:** 0\
**Last updated:** [October 29, 2018, 2:12pm UTC](https://www.robotexchange.io/t/maritime-innovation-experience-15-nov/423 "2018-10-29T14:12:14Z")

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Beste docent, Op donderdagochtend 15 November organiseren we de Maritime Innovation Experience (editie ‘Bits, chips & ships’). Dit keer bij de Duurzaamheidsfabriek in Dordrecht. Ik informeer u hierover, omdat het een …

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## [\[Solved\] Connection UR10 to PLC not working](https://www.robotexchange.io/t/solved-connection-ur10-to-plc-not-working/421)

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**Author:** [@berendjan10](https://www.robotexchange.io/u/berendjan10)\
**Replies:** 2\
**Last updated:** [October 24, 2018, 12:15pm UTC](https://www.robotexchange.io/t/solved-connection-ur10-to-plc-not-working/421 "2018-10-24T12:15:01Z")

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We’re trying to connect the UR10 with the PLC with the UR command “socket\_open(ip, port, socket\_name)”. This is the same way we’ve successfully established a UR - Cognex connection and a UR - Raspberry Pi connection befo…

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## [\[Solved\] ABB Flexpicker rotation end of armtool (Howto)](https://www.robotexchange.io/t/solved-abb-flexpicker-rotation-end-of-armtool-howto/414)

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**Author:** [@robin.nogueira](https://www.robotexchange.io/u/robin.nogueira)\
**Replies:** 2\
**Last updated:** [October 18, 2018, 11:58am UTC](https://www.robotexchange.io/t/solved-abb-flexpicker-rotation-end-of-armtool-howto/414 "2018-10-18T11:58:35Z")

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We are trying to rotate the end of armtool of the ABB Flexpicker to the needed positions, but we don’t know how to do that. We know how many degrees it needs to turn, but we don’t understand the format the robot expects…

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## [\[Solved\] Translate Pixelpoints to World Coordinates with Beamer and OpenCV](https://www.robotexchange.io/t/solved-translate-pixelpoints-to-world-coordinates-with-beamer-and-opencv/412)

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**Author:** [@mickremmerswaal](https://www.robotexchange.io/u/mickremmerswaal)\
**Replies:** 5\
**Last updated:** [October 17, 2018, 7:24am UTC](https://www.robotexchange.io/t/solved-translate-pixelpoints-to-world-coordinates-with-beamer-and-opencv/412 "2018-10-17T07:24:49Z")

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I have a problem making a translation from pixels to world coordinates. I have a setup with a beamer that hangs over a conveyer belt. The beamer projects an image of a point on the conveyer belt. Now i need to translate …

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## [\[Solved\] In-sight: Transfering pixel coordinates to world coordinates](https://www.robotexchange.io/t/solved-in-sight-transfering-pixel-coordinates-to-world-coordinates/400)

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**Author:** [@berendjan10](https://www.robotexchange.io/u/berendjan10)\
**Replies:** 2\
**Last updated:** [October 3, 2018, 10:14am UTC](https://www.robotexchange.io/t/solved-in-sight-transfering-pixel-coordinates-to-world-coordinates/400 "2018-10-03T10:14:00Z")

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DTC\_QR\_bakjes.job (9.6 KB) I’ve got X and Y coordinates and angles which I extracted from an IDMax function. These are pixel coordinates and I want to transform them to world coordinates. There is no “TransIDMaxToWorld…

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## [\[Solved\] Reduce Blurring/Warping of image after repeated warpAffine](https://www.robotexchange.io/t/solved-reduce-blurring-warping-of-image-after-repeated-warpaffine/402)

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**Author:** [@mickremmerswaal](https://www.robotexchange.io/u/mickremmerswaal)\
**Replies:** 1\
**Last updated:** [October 8, 2018, 2:12pm UTC](https://www.robotexchange.io/t/solved-reduce-blurring-warping-of-image-after-repeated-warpaffine/402 "2018-10-08T14:12:05Z")

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My code uses input from a rotary encoder connected to a Rapsberry Pi send over TCP: num\_rows, num\_cols = img.shape\[:2\] data = s.recv(BUFFER\_SIZE) speed = data.decode("utf-8") print("Speed = "…

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## [\[Solved\] UR: Protective stop C207A0 fieldbus input disconnected](https://www.robotexchange.io/t/solved-ur-protective-stop-c207a0-fieldbus-input-disconnected/399)

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**Author:** [@berendjan10](https://www.robotexchange.io/u/berendjan10)\
**Replies:** 5\
**Last updated:** [October 1, 2018, 3:20pm UTC](https://www.robotexchange.io/t/solved-ur-protective-stop-c207a0-fieldbus-input-disconnected/399 "2018-10-01T15:20:21Z")

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I’m trying to do the robot + camera integration assignment again, with a UR. When trying to run the program, i get the following error: I tried the following fixes, which didn’t work: In the “installation” tab, disa…

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