ISL29021IROZ-EVALZ Development Boards, Kits, Programmers

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The ISL29021IROZ-EVALZ Evaluation Board is an evaluation of the ISL29021 low current ambient light sensor with integrated infrared (IRT) and UV (UVI) emitter. It allows designers to evaluate the performance of the ISL29021 ambient light sensor as a stand-alone device or in applications such as environmental control systems, medical instruments, portable machines, and data acquisition systems. This evaluation board is fully integrated and does not require any external components to operate. It is an ideal tool for understanding and testing the ISL29021 and gives users the ability to quickly evaluate the characteristics of the device.

The ISL29021IROZ-EVALZ Evaluation Board consists of two parts: a main board and a daughter board. The main board houses the ISL29021 ambient light sensor, which is connected to an I2C (Inter-Integrated Circuit) interface. The daughter board includes an MCP3428 12-bit ADC (Analog to Digital Converter) and four N-channel MOSFETs connected to the 12-bit ADC. The MOSFETs are controlled by a single channel PWM (Pulse Width Modulation). The daughter board also includes headers that allow connection of external devices for testing purposes.

The ISL29021IROZ-EVALZ Evaluation Board is used to measure the ambient light level in a system and can also be used to directly monitor the light level inside optically shielded systems such as fingerprint readers, facial recognition systems, and closed spaces. The board is designed to be able to measure light levels in a range from 0 to 8.32lux, with a accuracy of ±50%.

The ISL29021IROZ-EVALZ Evaluation Board also includes two signal detection algorithms, one for low light detection and another for high light detection. When the low light signal is detected, the PWM output is set to a logic low level, and when the high light signal is detected, the PWM output is set to a logic high level. The board can also measure the infrared light (IR) and ultraviolet light (UV) levels in the environment.

The ISL29021IROZ-EVALZ Evaluation Board is part of a comprehensive suite of Evaluation Boards from Intersil that are designed to assist engineers and product designers with validation, design-in, and development of their systems. The board is powered from a +3.3V power supply and is pre-programmed with specific parameters that can be adjusted to tailor the desired light detection properties. Some of these parameters include the proportion of light conditions to consider, as well as the threshold level at which low and high light signals are detected. The board also includes an I2C interface that can be connected to a PC or microcontroller for further testing of the device.

In conclusion, the ISL29021IROZ-EVALZ Evaluation Board is a versatile and easy to use tool for evaluating the performance of the ISL29021 low current ambient light sensor with integrated infrared and ultraviolet emitter. The board is pre-programmed and includes signal detection algorithms and adjustable parameters that allow users to tailor the desired light detection properties. The board is also connected to an I2C interface, which makes it easy to connect to a PC or microcontroller for further testing and evaluation. The ISL29021IROZ-EVALZ Evaluation Board is suitable for use in a variety of applications, including environmental control systems, medical instruments, portable machines, and data acquisition systems.

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