# Blinds Control Logic?

**URL:** <https://discourse.nodered.org/t/blinds-control-logic/14687>\
**Category:** General\
**Created:** [23 August 2019 08:03 UTC](https://discourse.nodered.org/t/blinds-control-logic/14687 "2019-08-23T08:03:08Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Kinesis](https://avatars.discourse-cdn.com/v4/letter/k/e19b73/32.png) [@Kinesis](https://discourse.nodered.org/u/Kinesis)\
**Post date:** [23 August 2019 15:21 UTC](https://discourse.nodered.org/t/blinds-control-logic/14687/6 "2019-08-23T15:21:11Z")

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I wrote the flow for controlling some doors - it should be just as applicable for blinds - you might have to edit the timer so it's 1% of the full opening/closing time

> [@Basic Timer / Intergrator for Doors Shutters or Drapes](https://discourse.nodered.org/t/basic-timer-intergrator-for-doors-shutters-or-drapes/14716):
>
> Hi - I'm realatively new to Node Red but i have a PLC based automation background. I neededed to write a flow to control the opening and closing of my garage doors via a raspberry pi. The doors use two simple linear actuator that takes about 10 second to fully open. The main aim of the project was to prevent the actuators from being energised past the point that the doors are fully open or closed to prevent damage to the motors. This meant coming up with a means of tracking how far open or close…

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