ADJD-J823

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The ADJD-J823 is a digital color sensor that uses ambient light and RGB LEDs to measure surface colors. It is ideal for applications where multiple colors must be rapidly compared and inspected, such as automated product sorting and industrial machine vision.

Operating Principles

At the heart of the ADJD-J823 sensor is the integrated circuit (IC) which contains an infrared light-to-voltage converter, a voltage comparator, a dual-channel signal processor, and an internal temperature sensor. The IC is coupled with 3 red/green/blue LED emitters and includes a built-in ambient light sensor.

The 3 RGB LEDs and the ambient light sensor act as inputs to the IC. The IC then samples the light intensity of each LED in real time and converts the received signals to an analog voltage. This voltage is then compared to a reference voltage set in the IC’s internal control logic. The relative difference between the measured and reference voltages are then converted into a digital color channel value.

The two channels generated from this process (one for the ambient light sensor and one for the 3 RGB LEDs) are then used to determine the color of the object under test. This is accomplished by comparing the ratio of the signals generated from each channel to reference values stored in a lookup table stored within the IC. The resulting color channel values will then be provided by the IC which will be used to differentiate various colors within its detection range.

Applications

The ADJD-J823’s unique construction makes it well suited for applications where color recognition needs to be automated and extremely precise. Two of the most prominent applications for this sensor are automated product sorting and industrial machine vision.

For automated product sorting, the ADJD-J823 enables fast and reliable color recognition. This makes it ideal for applications such as sorting fruits and vegetables, sorting textiles, and gauging the color quality of cosmetics and chemicals. The sensor’s high sensitivity to light also makes it useful for applications such as food photography or product presentation.

For industrial machine vision, the ADJD-J823 is extremely useful for robotic automation and industrial inspection systems. Its broad spectral range and fast response times make it ideal for quickly inspecting and distinguishing objects of different colors. This makes it extremely useful for applications such as automated product tracking and assembly line monitoring.

Conclusion

The ADJD-J823 is an advanced digital color sensor that can quickly and accurately measure the color of a variety of surfaces. It is well suited for applications such as automated product sorting, industrial machine vision, food photography, and product presentation. With its high sensitivity to light and fast response times, the ADJD-J823 is a powerful tool in the world of digital color sensing.

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