The Koshi Electronics Rainbow HD WiFi Controller powers stunning HD rainbow matrix backdrops — the heart of every grand Ganpati pandal, Navratri stage and Diwali display. Available in four matrix sizes (10x24, 10x30, 12x24, 24x24), it delivers rich 24-bit HD colour and full WiFi control from your phone: upload live text, change brightness and adjust speed instantly — no app download needed.
Key Features
- HD 24-bit colour engine — deep, vivid colours; visible quality difference vs ordinary rainbow controllers
- 4 matrix sizes — 10x24, 10x30, 12x24, 24x24 (choose to match your backdrop)
- WiFi text upload — type a name or message on your phone and it appears live on the display ("Ganpati Bappa Morya" in seconds!)
- Brightness & speed control from your phone — adjust live during the event
- Multi-language text — Hindi, English and regional languages
- Built-in rainbow animations and effects
- Supports WS2811 / WS2812B pixel matrix panels
- Made in India by Koshi Electronics
Best For
- Ganpati pandal backdrops (behind the idol)
- Navratri / Durga Puja pandal decoration
- Wedding stage backdrops with couple's name
- Shop displays and event branding
Which Size Should You Choose?
| 10x24 | Compact backdrops, small pandals, shop displays |
| 10x30 | Wide name boards and banners |
| 12x24 | Medium pandal backdrops — most popular |
| 24x24 | Large square backdrops, grand pandals & stages |
Specifications
| Colour Depth | 24-bit HD |
| Matrix Sizes | 10x24 / 10x30 / 12x24 / 24x24 |
| Connectivity | WiFi (phone browser — no app needed) |
| Text | Live upload, multi-language, adjustable speed |
| Controls | Brightness (live), animation speed, effects |
| Supported ICs | WS2811, WS2812B |
| Operating Voltage | 5V DC (use SMPS rated for your matrix size) |
| Brand | Koshi Electronics (Made in India) |
User Manual — How to Use
Step 1: Connect your pixel matrix panel to the controller output (match data direction) and connect a 5V SMPS rated for your matrix size.
Step 2: Power on. On your phone, connect to the controller's WiFi network.
Step 3: Open the control panel in your browser. Select your matrix size and start direction so text displays correctly.
Step 4: Type your text (Hindi/English), choose colours, set brightness and speed, pick rainbow effects — and send to display. Changes appear instantly.
Tip: For large matrices, inject 5V power at multiple points to keep colours bright across the panel.
Frequently Asked Questions
Can I show names/text on the rainbow display?
Yes — type on your phone and it appears live. Hindi, English and regional languages supported.
Which size is best for a Ganpati pandal?
12x24 is the most popular for medium pandals; 24x24 for grand backdrops. See the size guide above.
Do I need to download an app?
No — control runs in your phone browser over the controller's WiFi.
Can I change brightness during the event?
Yes — brightness and speed adjust live from your phone.
Warranty
6-month warranty on manufacturing defects. Not covered: physical damage, water damage, reverse polarity, 220V connection, or rain exposure. Use a rainproof box outdoors.
Contact Us
Email: store@koshielectronics.in · WhatsApp: +91 93107 85954 · Shop No. 1, Mayur Vihar Phase 1, Delhi-110091