Ruth's sister
Ruth's sister 21-key RGB LED Controller Internal Power Cable
A 21-key infrared RGB controller for 5-24 V LED strips with music-sync modes and power-off memory
- 21-key remote adjusts colour and brightness instantly
- 14 preset lighting modes create varied effects
- Music sync pulses LEDs to surrounding sound
- Power-off memory restores last setting automatically
- Compact 63 × 35 × 22 mm fits tight cases
Internal 21-key RGB controller cable
This internal power cable provides a 21-key infrared controller for addressable LED strips. It operates on a 5 V to 24 V supply and drives three output channels. The unit includes a compact controller board and a handheld remote for static colour, brightness and four music-reactive modes.
Builders adding addressable lighting to a PC
The controller suits hobbyists who want simple remote operation of WS2811, WS2812 or WS2812B strips inside a case. It does not suit installations that require software addressing, motherboard sync or more than three independent output channels.
5 V to 24 V input range
The wide voltage span lets the cable run from standard 5 V ARGB headers or 12 V RGB headers without an extra converter. Matching the supply to the connected strip voltage is the single check that decides whether this part will work.
Highlights
- 21-key remote adjusts colour and brightness instantly
- 14 preset lighting modes create varied effects
- Music sync pulses LEDs to surrounding sound
- Power-off memory restores last setting automatically
- Compact 63 × 35 × 22 mm fits tight cases
Specifications
No published specifications for this item yet.
Questions about this item
What is the maximum supply voltage the controller can handle before it limits operation?
The controller accepts a supply voltage up to 24 V, so sustained use is limited by that ceiling.
How much heat or noise does the controller produce when running continuously?
With no fan and a tiny 63 x 35 x 22 mm body, it runs silently and generates only minimal warmth at its low static power draw.
Which LED strip types and power source must I already have for this controller to work?
You need a 5–24 V DC supply and compatible WS2811, WS2812, 2835 or 5050 RGB, RGBW or RGBWW strips; the controller provides three output circuits.
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