The EVAL-ADXL345Z is a simple breakout board that enables easy connection of an ADXL345 into an existing system. The ADXL345 is a digital-output, 3-axis accelerometer whose low power consumption and built-in features make it ideal for use in a wide variety of applications. Due to its small size, the EVAL-ADXL345Z has minimal effect on performance of the system and of the accelerometer, and thus it is ideal for evaluation of the ADXL345 in an existing system. Note that the ADXL345 must be communicated with digitally via SPI or I2C. No processor is included with the EVAL-ADXL345Z; firmware must be supplied externally by the user. For evaluation boards that include a processor, please see the EVAL-ADXL345Z-M and the ADXL345Z-DB.

The ADXL345 Development Board is an easy-to-use tool designed to shorten application development time by providing a ready-to-use platform for data collection and firmware development. The board is pre-configured as a datalogger that can be used to gather data for refining algorithms, tuning thresholds, and generally familiarizing oneself with accelerometer data. Powered by two AAA batteries, the board is completely untethered and integrates seamlessly into portable applications. Logged data is stored on a MicroSD memory card, providing essentially unlimited memory capacity and operating system versatility. Data is stored in a text (.txt) file, so no software installation is required to operate the board or read data. A 2GB MicroSD card and a USB MicroSD card reader are provided with the board. Additionally, the board is fully programmable, providing a hardware platform on which firmware can be tested in parallel with development of application hardware. Communications and processing are performed by an ARM7-based ADuC7024 micro-controller, and firmware is written in C. A programming cable is provided with the board, and a development environment and header files are supplied on this page. Finally, the platform can be duplicated in the final application, having already been tested with the application firmware. Schematics and layout can be found under the Supporting Documentation tab and can be used freely in your application. Note that this board is not configured to display real-time data. For real-time evaluation of the ADXL345, please refer to the Inertial Sensor Evaluation Board. For a simple ADXL345 Breakout Board, refer to the EVAL-ADXL345Z.

The analog output ADXL354 and the digital output ADXL355 are low noise density, low 0 g offset drift, low power, 3-axisaccelerometers with selectable measurement ranges. TheADXL354B supports the ?2 g and ?4 g ranges, the ADXL354Csupports the ?2 g and ?8 g ranges, and the ADXL355 supports the ?2 g, ?4 g, and ?8 g ranges. The ADXL354/ADXL355 offerindustry leading noise, minimal offset drift over temperature,and long-term stability enabling precision applications with minimal calibration.Highly integrated in a compact form factor, the low powerADXL355 is ideal in an Internet of Things (IoT) sensor nodeand other wireless product designs.The ADXL355 multifunction pin names may be referenced by their relevant function only for either the serial peripheralinterface (SPI) or I2C interface.Applications Inertial measurement units (IMUs)/altitude and heading reference systems (AHRS) Platform stabilization systems Structural health monitoring Seismic imaging Tilt sensing Robotics Condition Monitoring

The analog output ADXL354 and the digital output ADXL355 are low noise density, low 0 g offset drift, low power, 3-axis accelerometers with selectable measurement ranges. The ADXL354B supports the ?2 g and ?4 g ranges, the ADXL354C supports the ?2 g and ?8 g ranges, and the ADXL355 supports the ?2 g, ?4 g, and ?8 g ranges. The ADXL354/ADXL355 offerindustry leading noise, minimal offset drift over temperature, and long-term stability enabling precision applications with minimal calibration.Highly integrated in a compact form factor, the low power ADXL355 is ideal in an Internet of Things (IoT) sensor node and other wireless product designs. The ADXL355 multifunction pin names may be referenced by their relevant function only for either the serial peripheral interface (SPI) or I2C interface.Applications Inertial measurement units (IMUs)/altitude and heading reference systems (AHRS) Platform stabilization systems Structural health monitoring Seismic imaging Tilt sensing Robotics Condition Monitoring

The analog output ADXL356 and the digital output ADXL357 are low noise density, low 0 g offset drift, low power, 3-axis accelerometers with selectable measurement ranges. The ADXL356B supports the ?10 g and ?20 g ranges, the ADXL356C supports the ?10 g and ?40 g ranges, and the ADXL357 supports the ?10 g, ?20 g, and ?40 g ranges.The ADXL356/ADXL357 offer industry leading noise, minimal offset drift over temperature, and long-term stability, enabling precision applications with minimal calibration.The low drift, low noise, and low power ADXL357 enables accurate tilt measurement in an environment with high vibration. The low noise of the ADXL356 over higherfrequencies is ideal for condition-based monitoring and other vibration sensing applications.The ADXL357 multifunction pin names may be referenced only by their relevant function for either the serial peripheral interface (SPI) or limited I2C interface.Applications Inertial measurement units (IMUs)/altitude and heading reference systems (AHRSs) Platform stabilization systems Structural health monitoring Seismic imaging Tilt sensing Robotics Condition monitoring

The LTC2956 is a micropower, wide input voltage range, configurable wake-up timer with pushbutton control. It periodically wakes up and turns on a connected system to perform tasks like monitoring temperature or capturing images. After completing the task, the LTC2956 turns the system off to conserve power.The wake-up timer period can be adjusted from 250ms to 39 days using configuration resistors. The system awake time can be controlled by the input pulse at the SLEEP pin or adjusted by the capacitor at the ONMAX pin. The LTC2956 operates over a wide supply input range from 1.5V to 36V. The low 800nA quiescent current suits battery powered applications.The pushbutton input allows the user to shutdown, turn on or reset the wake-up timer. With the timer in shutdown, the quiescent current drops to 300nA. The LTC2956 also provides three status outputs to indicate mode transitions and pushbutton events. Two versions are available for applications requiring either positive or negative enable polarities.Applications Heartbeat Timers Periodic Wake-Up Control Portable and Battery-Powered Equipment Intervalometers Data Acquisition

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