TMD4903 EVM

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The TMD4903 EVM (evaluation module) is one of the latest products released by Texas Instruments, and it provides a unique system-in-package (SiP) solution for sensors and low-power applications. The TMD4903 EVM packs several features into a single board design, including a digital audio processor, an ARM Cortex-M4F, an accelerometer, and a gyroscope. The board also integrates Wi-Fi, Bluetooth, line-of-sight radio, and a low-power module. The TMD4903 EVM makes sensor applications more accessible and versatile due to its myriad of features.

The TMD4903 EVM packs two major sensors within the system. The first is the capacitive-based 3-axis accelerometer that is built in. This accelerometer can be used to detect the acceleration of the EVM in 3 dimensions. As a result, it can be used to measure the vibration of the device along its detected axis. The second sensor is the digital gyroscope. This gyroscope can measure angular velocity in three dimensions. It can also be used to measure the orientation of the gyroscope in the space by allowing users to select a certain measurement range.

The TMD4903 EVM also boasts the presence of two low-power modules included in the system. The first is the Wi-Fi module that can be used to connect remotely with other devices. The module can also be used to configure and control other devices from afar. The second module is Bluetooth which is mainly used for communication between the EVM and other Bluetooth enabled devices. The hardware of the TMD4903 EVM supports application development for various platforms, such as Android, iOS, Windows, and even Linux.

The TMD4903 EVM also supports a wide variety of audio applications. It is equipped with a 2-channel, 24-bit ADC/DAC (analog-to-digital and digital-to-analog converters) that can be used for recording, playing back, and mixing audio signals from the board. The board is also equipped with a digital audio processor that enables audio processing, such as equalization, compression, and reverb. The processor can also be used to mix multiple audio sources.

Additionally, the TMD4903 EVM boasts a range of energy-saving features that make it ideal for low-power applications. It is equipped with a real-time clock (RTC) that can be used to schedule the power-on of the board, allowing it to be automatically powered up at a certain time. The board also includes a low-power mode that can shut down certain modules to save energy and extend battery life. This allows the device to remain responsive even when the battery is low.

In summary, the TMD4903 EVM provides a powerful system-in-package solution that makes sensors and low-power applications more accessible and versatile. With its two main sensors, Wi-Fi, Bluetooth, line-of-sight radio, and low-power module, the board is well-equipped for a variety of applications. The board also includes audio processors and energy-saving features that make it suitable for a range of applications. The TMD4903 EVM is a great board for development and evaluation of sensor applications.

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