# Switching multiple dimmers ON and OFF without a delay, is it possible?

**URL:** <https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041>\
**Category:** Questions & Help\
**Created:** [April 18, 2019, 8:23pm UTC](https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041 "2019-04-18T20:23:45Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![neiseiska](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/neiseiska/32/4033_2.png) [@neiseiska](https://community.homey.app/u/neiseiska)\
**Post date:** [April 18, 2019, 8:23pm UTC](https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041/1 "2019-04-18T20:23:45Z")

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Hello, Why there is delay between cards in my very simple flow? I have 8 Nexa Cmr101 dimmers in flow and it takes always 16 seconds to process this flow. Dimmers are swithed on one by one with a delay, why not all are switced on at the same time? Delay property in all cards is switched off.

 ![kuva](https://us1.discourse-cdn.com/flex025/uploads/athom/original/2X/c/cf4b3da9143bc2b39aede81fbd026f51fc102b4a.png)

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [April 20, 2019, 5:41am UTC](https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041/2 "2019-04-20T05:41:16Z")

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It looks like those are 433Mhz devices. Homey can only send one signal at a time, and typically, such signals have to be repeated a number of times, hence the 2-second delay between each dimmer.

If these devices support multiple codes to listen to, it might be possible to create an “All Dimmers” device with a new code that each of your dimmers can learn. That way, Homey only has to send one signal for _all_ devices.

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**Author:** ![neiseiska](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/neiseiska/32/4033_2.png) [@neiseiska](https://community.homey.app/u/neiseiska)\
**Post date:** [April 20, 2019, 8:09am UTC](https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041/3 "2019-04-20T08:09:41Z")

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Yes these are 433 MHz devices, Nexa CMR-101 (KliikAanKlikUit ACD-100). It would be nice to have feature “Turn On All Dimmers”. These dimmers are supporting 8 different codes to teach on them. At the moment it’s very annoying to wait all dimmers to turn on. Who could implement this feature, Homey personnels or who?

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**Author:** ![robertklep](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/robertklep/32/160628_2.png) [@robertklep](https://community.homey.app/u/robertklep)\
**Post date:** [April 20, 2019, 8:41am UTC](https://community.homey.app/t/switching-multiple-dimmers-on-and-off-without-a-delay-is-it-possible/12041/4 "2019-04-20T08:41:45Z")

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> [@neiseiska](#):
>
> Who could implement this feature, Homey personnels or who?

Probably you yourself. I don’t have any of these devices so I’m only guessing, but I seem to remember from the KlikAanKlikUit app that you get the app to create a unique code that the device can learn. That’s what you need for your situation too:

- add a new dimmer device and let the app generate a unique code
- put your dimmers in “learn” mode and have them learn that code (typically, at least with KaKu, the “Turn On” signal is enough for the device to learn)