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LED Grab

API

Created by Alexei Dolgolyov • dolgolyov.alexei@gmail.com • Source Code

📐 LED Calibration

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Border (px):

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LED Offset:

Distance from physical LED 0 to the start corner (along strip direction)

Skip LEDs (Start):

Number of LEDs to turn off at the beginning of the strip (0 = none)

Skip LEDs (End):

Number of LEDs to turn off at the end of the strip (0 = none)

⚙️ General Settings

Device Name:

URL:

IP address or hostname of the device

Serial Port:

Select the COM port of the Adalight device

LED Count:

Number of LEDs on the strip (must match your Arduino sketch)

Baud Rate:

Serial communication speed. Higher = more FPS but requires matching Arduino sketch.

Health Check Interval (s):

How often to check the device status (5-600 seconds)

Auto Restore:

Restore device to idle state when targets stop or server shuts down

🎯 Add Target

Target Name:

Device:

Select the LED device to send data to

Picture Source:

Select a source that defines what to capture

Target FPS:

Target frames per second for capture and LED updates (10-90)

30

Interpolation Mode:

How to calculate LED color from sampled pixels

Smoothing: 0.3

Temporal blending between frames (0=none, 1=full). Reduces flicker.

Standby Interval: 1.0s

How often to resend the last frame when the screen is static, to keep the device in live mode (0.5-5.0s)

🎨 Add Key Colors Target

Target Name:

Picture Source:

Which picture source to extract colors from

Pattern Template:

Select the rectangle pattern to use for color extraction

Extraction FPS:

How many times per second to extract colors (1-60)

10

Color Mode:

How to compute the key color from pixels in each rectangle

Smoothing: 0.3

Temporal blending between extractions (0=none, 1=full)

📄 Add Pattern Template

Template Name:

A descriptive name for this rectangle layout

Description (optional):

Optional notes about where or how this pattern is used

Visual Editor

Click + buttons to add rectangles. Drag edges to resize, drag inside to move.

Name X Y W H

🔑 Login to LED Grab

Please enter your API key to authenticate and access the LED Grab.

API Key:

Your API key will be stored securely in your browser's local storage.

Confirm Action

Add New Device

No devices found

Device Type:

Select the type of LED controller

Device Name:

URL:

IP address or hostname of the device (e.g. http://192.168.1.100)

Serial Port:

Select the COM port of the Adalight device

LED Count:

Number of LEDs on the strip (must match your Arduino sketch)

Baud Rate:

Serial communication speed. Higher = more FPS but requires matching Arduino sketch.

Add Capture Template

Template Name:

Description (optional):

Capture Engine:

Select the screen capture technology to use

Configuration

Test Capture Template

Display:

Capture Duration (s): 5

Test Source

Capture Duration (s): 5

Test Processing Template

Source:

Capture Duration (s): 5

Add Source

Source Name:

Display:

Which screen to capture

Capture Template:

Engine template defining how the screen is captured

Target FPS:

Target frames per second for capture (10-90)

30

Source:

The source to apply processing filters to

Processing Template:

Filter template to apply to the source

Image Source:

Enter a URL (http/https) or local file path to an image

Preview

Description (optional):

Add Processing Template

Template Name:

Description (optional):

Full size preview

Select a Display