Capture real-time motion data with exceptional stability using ICM-40609-D and PIC18F57Q43

6DOF IMU 24 Click is based on the ICM-40609-D sensor from TDK InvenSense, specifically designed for high-performance applications in the drone market. This 6-axis MEMS MotionTracking™ device integrates a 3-axis gyroscope and a 3-axis accelerometer, offering exceptional precision and reliability even under demanding conditions. Its sophisticated architecture significantly enhances overall IMU performance, maintaining accuracy across a wide temperature range. This makes it particularly well-suited for drones and flight controllers, robotics, and IoT solutions, ensuring stability and precise control throughout extended flight durations, even when exposed to fluctuating temperatures. A key advantage of the ICM-40609-D is its integrated 2KB FIFO buffer, which optimizes data processing by reducing serial interface traffic. This not only minimizes power consumption but also allows the system processor to operate in low-power mode while periodically retrieving burst data. The gyroscope offers eight programmable full-scale range settings, ranging from ±15.625dps to ±2000dps, providing flexibility for different motion

tracking requirements. Additionally, the accelerometer supports four full-scale ranges, spanning from ±4g to an extended ±32g, enabling precise detection of both subtle and high-impact movements. With an impressive maximum Output Data Rate (ODR) of 32kHz, this sensor delivers the highest sampling rate available in consumer-grade devices. Such a high ODR ensures that any anomalies or inconsistencies in movement can be detected and analyzed efficiently, making it a powerful tool for flight control and navigation systems. Further emphasizing its precision, the ICM-40609-D features a gyro noise level of just 4.5mdps/√Hz, a gyro offset stability temperature coefficient of ±10mdps/°C, and an exceptionally low gyro sensitivity error of ±0.5%. The accelerometer is equally precise, with an accel noise level of 100μg/√Hz, an offset stability temperature coefficient of ±0.15mg/°C, and an accel sensitivity error of just ±0.5%. Motion data are accessed through the I2C or SPI interface, with a maximum frequency of 1MHz for I2C and 24MHz for SPI communication. The selection is made by

positioning SMD jumpers labeled COMM SEL appropriately. Note that all the jumpers' positions must be on the same side, or the Click board™ may become unresponsive. While the I2C interface is selected, the ICM-40609-D allows the least significant bit (LSB) of its I2C address to be chosen using the SMD jumper labeled ADDR SEL. This board also possesses two interrupts, INT and IT2 entirely programmed by the user through a serial interface. These interrupt signals provide notifications about key system events, such as the clock generator locking to a new reference oscillator when switching clock sources, the availability of new data to be read from the FIFO and data registers, accelerometer event interrupts, the FIFO reaching a predefined watermark level, and FIFO overflow. This Click board™ can be operated only with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. It also comes equipped with a library containing functions and example code that can be used as a reference for further development.

PIC18F57Q43 Curiosity Nano evaluation kit is a cutting-edge hardware platform designed to evaluate microcontrollers within the PIC18-Q43 family. Central to its design is the inclusion of the powerful PIC18F57Q43 microcontroller (MCU), offering advanced functionalities and robust performance. Key features of this evaluation kit include a yellow user LED and a responsive

mechanical user switch, providing seamless interaction and testing. The provision for a 32.768kHz crystal footprint ensures precision timing capabilities. With an onboard debugger boasting a green power and status LED, programming and debugging become intuitive and efficient. Further enhancing its utility is the Virtual serial port (CDC) and a debug GPIO channel (DGI

GPIO), offering extensive connectivity options. Powered via USB, this kit boasts an adjustable target voltage feature facilitated by the MIC5353 LDO regulator, ensuring stable operation with an output voltage ranging from 1.8V to 5.1V, with a maximum output current of 500mA, subject to ambient temperature and voltage constraints.