Honeywell Aerospace HMC6352-DEMO

The HMC6352-DEMO is a demonstration board for the HMC6352 compass module, designed and manufactured by Honeywell Aerospace. This board is intended to facilitate the evaluation and development of projects that require precise magnetic field sensing and compass heading measurements. Although the HMC6352-DEMO itself is no longer in production, it remains a valuable tool for understanding the capabilities of the HMC6352 compass module.

• Precise Compass Heading: Provides accurate magnetic field measurements and compass headings with a resolution of 0.1 degrees.
• I2C Interface: Communicates via the I2C protocol, allowing easy integration with various microcontrollers and development boards.
• Low Power Consumption: Operates with a supply current of 1 mA at 3V, making it suitable for battery-powered applications.
• Magnetic Field Sensitivity: Sensitive to magnetic fields, with a disturbing field threshold above 20 gauss).
• Simple Integration: The breakout board requires basic soldering skills and can be easily integrated into various projects, including robotics and navigation systems).

• Robotics: Ideal for robotic navigation systems, especially in autonomous vehicles and robotic platforms that require precise directional data).
• Navigation Systems: Suitable for use in GPS and other navigation systems where accurate compass headings are crucial).
• Industrial Automation: Can be used in industrial automation projects that require precise orientation and direction sensing).
• Embedded Systems: Compatible with various embedded systems, including Arduino, BasicMicro, and Parallax Propeller boards).

1. Q: What is the typical supply current of the HMC6352?
   A: The typical supply current of the HMC6352 is 1 mA at 3V).
2. Q: What is the recommended I2C clock speed for the HMC6352?
   A: The recommended I2C clock speed for the HMC6352 is 100 kHz).
3. Q: How sensitive is the HMC6352 to magnetic fields?
   A: The HMC6352 is sensitive to magnetic fields above 20 gauss, which can cause measurement inaccuracies or stuck sensor readings).
4. Q: Can the HMC6352 be used with different microcontrollers?
   A: Yes, the HMC6352 can be used with various microcontrollers, including Arduino, BasicMicro Nano18, and Parallax Propeller boards).
5. Q: What is the heading resolution of the HMC6352?
   A: The heading resolution of the HMC6352 is 0.1 degrees).
6. Q: Does the HMC6352 require any special calibration?
   A: Yes, the HMC6352 may require calibration to ensure accurate readings, especially after exposure to disturbing magnetic fields).
7. Q: Can the HMC6352 be used in tilt environments?
   A: The HMC6352 does not have an integrated accelerometer, so it needs to be kept flat or used with a separate accelerometer to eliminate tilt errors).
8. Q: What are common issues when interfacing the HMC6352 with Linux-based systems?
   A: Common issues include ensuring the I2C clock speed is set to 100 kHz and handling ACK responses properly, which may require kernel recompilation or adjusting the I2C bus settings).
9. Q: How do I troubleshoot inconsistent readings from the HMC6352?
   A: Troubleshooting steps include checking for magnetic field interference, ensuring proper calibration, and verifying the I2C communication settings and connections).
10. Q: Is the HMC6352-DEMO still available for purchase?
    A: No, the HMC6352-DEMO is no longer manufactured and is considered obsolete).