Customizable Noolite SUF-1-300 wireless dimmer

    The Belarusian company Notech has released a dimmer designed specifically for LED lamps and capable of adjusting their brightness within the widest possible range.

    Notehnika produces a variety of wireless switches, dimmers and remote controls under the brand name Noolite. In my blog, I already talked about the wireless switch-dimmer, keyboard consoles, indistinguishable from conventional switches and set "Smart home for an hour."

    Conventional dimmers do not always work correctly with dimmable LED lamps. Often there is the problem of minimum adjustment: when the dimmer is set to minimum, some LED lamps shine too brightly, and some, on the contrary, turn off and “catch” the minimum brightness is not easy.

    The dimmer Noolite SUF-1-300 allows you to achieve a wide range of brightness control due to the ability to adjust the minimum level of dimming while reducing the brightness and the minimum level when turned on.

    It is installed in the contact box of the chandelier between the wires of the chandelier and the suitable wires. The wires of a conventional switch are closed and a wireless remote is installed instead, which looks like an ordinary switch. There may be several such consoles (for example, one at the entrance to the room at the place of the old switch, and the second next to the bed). Using the remote, you can turn on and off the light (short presses up and down), as well as increase and decrease the brightness (long press up and down). You can use the remote control in the script mode (for example, set the dual-key remote to turn off, turn on at full brightness, turn on at minimum brightness, turn on at 50% brightness). The scenarios also allow you to turn off all the lights in the apartment with one switch and create combined scenarios (for example, night passage to the toilet,

    Noolite wireless switches and dimmers can be controlled from a computer and a smartphone via a gateway, and they can also be controlled using home-made tools on the Arduino via a transceiver module.

    Noolite SUF-1-300 supports two-way exchange, through which compatible devices can request its status. In addition, the dimmer can be controlled by a wired button or switch.

    To configure the dimmer, you can use the MTRF-64-USB USB transceiver or the module for homemade MTRF-64. The program NooLite ONE works with the USB adapter.

    It is possible to configure how the dimmer will behave after the network is turned off and on: it will turn off, turn on, or remember the state (but not the dimming level). You can disable dimming and customize the operation of a wired button or switch.

    The most important setting for LED lamps: the minimum level of dimming. The maximum is also adjustable, but cases when it may be necessary to reduce it are extremely rare.

    Another parameter - the inclusion level correction can take values ​​from 0 to 49. It is needed for those lamps that can significantly reduce the brightness from the maximum, but cannot turn on at the minimum brightness.

    In the current version, the dimmer remembers the dimming level when it is turned off, and when it is turned on, it sets the same level (or higher level, in accordance with the on-level correction). It is impossible to adjust the dimmer so that it always turns on at maximum brightness. I hope the developers will add this feature to the new firmware, since there is a possibility of flashing through the USB adapter.

    I tested the dimmer with three types of LED lamps. Brightness levels were measured using a Lamptest-1 instrument .

    1. IKEA 102.667.54 LED1543C6 candle 400 lm, 5 pieces.
    Dimming: 0.8-100% (setting the minimum level: 13).
    The minimum level of inclusion: 3.1% (setting the level of inclusion - 8).

    2. X-Flash 48700 XF-E14-FLMD-C35-4W-2700K filament candle, 5 pieces.
    Dimming: 0.1-100% (setting the minimum level: 27).
    The minimum level of inclusion: 0.1% (setting the level of inclusion - 0).

    3. Nanosvet L240, L241, L242, L243 GU10 8W, 4 pieces.
    Dimming: 0.4-100% (minimum level setting: 11).
    The minimum level of inclusion: 2.8% (setting the level of inclusion - 7).

    With all the LED lamps, the dimmer works flawlessly, but it is necessary to adjust the minima for each type of lamp (as you can see, they are very different).

    Customizable wireless dimmer Noolite SUF-1-300 costs $ 31.5 at the rate of 68 (2142 rubles).
    USB-adapter MTRF-64-USB costs $ 66 at the rate of 68 (4488 rubles).
    The PB211 and PB411 switch panels cost $ 22.3 at the rate of 68 (1516 rubles).

    The Noolite SUF-1-300 wireless dimmer turned out to be an almost ideal solution for adjusting the brightness of dimmable LED lamps. It provides a very wide range of adjustment (all lamps have achieved a minimum brightness of less than 1%), you can buy comfortable and beautiful wireless remote control switches for it, it supports scripts, control from a computer, smartphone and using smart home systems. The disadvantage of a dimmer is the rather high price and the need to buy an expensive USB adapter to tune for specific LED lamps.

    © 2018, Alexey Nadyozhin

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