ELECTRONIC COMPASS MODULE (LSM303DLHC) BM004 OPEN SOURCE HARDWARE MODULE

Transcription

1 October 0 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 OPEN SOURCE HARDWARE MODULE Solutions Cubed, LLC phone 0..0 East First Street Chico, CA Contact Solutions Cubed, LLC for your custom designs: Solutions Cubed is an innovative electronic design firm. We have created successful designs for a myriad of industries including mass produced consumer products, deep-sea robotic components, and encrypted encoders for the banking industry. We love meeting new customers and are interested in hearing about your design needs.

2 October 0 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 Product Description: This breakout board carries a single ST Micro LSM0DLHC D accelerometer and D magnetometer. The module may be used to create an electronic compass. I C TM serial interface Compatible with.v or V inputs/outputs magnetic field and accelerometer channels, -bit data Embedded temperature sensor Forms core of compensated compass design Useful for motion activation, free-fall detection, pedometer, virtual reality Dimensions: Specifications: Characteristic Min Typ Max Unit Notes operating voltage V Onboard regulator provides.v Operating current. ma Removing LED D can reduce this significantly. Operating temperature -0 C

3 October 0 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 Pin Functions and Notes # Name Maximum Notes Voltage V Voltage supply. -VDC supplies onboard.v regulator 0V Ground return. N/A Voltage output..v should not draw more than ma from this connection. _IO V Voltage input. Sets operating voltage for,, INT. This pin must be connected to a voltage, even if you have pull-up resistors external to the board. _IO Logic input. Serial data clock line. This pin is pulled to _IO by a.kω resistor. _IO Logic input output. Serial data input and output to the IC. This pin is pulled to _IO by a.kω resistor. INT Logic output. Interrupt driven output pin. INT Logic output. Interrupt driven output pin. N/A Logic output. Data ready output pin. User Notes/Tips _IO must be connected to a voltage source, not left floating if you are using external pull-up resistors. For additional information on the accelerometer/magnetometer commands or timing of the I C TM bus please review the ST Micro LSM0DLHC datasheet. The LSM0DLHC has a large command set detailed in the device datasheet. INT and INT functionality is highly configurable via the I C TM communication protocol. Visit for application notes related to this module. When operating at V you should provide V at the and _IO pins. This powers the on-board regulator and sets the voltage bus of the I C TM pins..v will be present at the pin., INT, and INT will be at.v levels in this configuration. When operating at.v you can provide V at and use the on-board regulator output at to power the _IO pin. Alternatively you may tie to ground and connect.v to both and _IO if the on-board regulator is not needed to provide.v. Keeping the module away from high currents and large metallic objects will reduce errors in measurement.

4 October 0 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 P P C 0.uF U MIC-. VOUT EN ADJ/ C.uF C 0.uF R.0K D Red P _IO MH mil P _IO MH mil P P _IO R.K _IO R.K S G D D G S Q DMNDLDW R.K R.K C.uF VIO INT INT C U LSM0DLHC SETC SETP 0 C 0.uF P INT PA P INT P PB FID FID FID FID

5 October 0 ELECTRONIC COMPASS MODULE (LSM0DLHC) BM00 BASIC CONNECTIONS V SYSTEM BASIC CONNECTIONS.V SYSTEM ALTERNATE CONNECTIONS.V SYSTEM -VDC ELEC. COMPASS (LSM0DLHC) - BM00 BREAKOUT BOARD SIP -VDC ELEC. COMPASS (LSM0DLHC) - BM00 BREAKOUT BOARD SIP ELEC. COMPASS (LSM0DLHC) - BM00 BREAKOUT BOARD SIP VDC IC CLOCK IC DATA _IO INT INT IC CLOCK IC DATA _IO INT INT.VDC IC CLOCK IC DATA _IO INT INT ARDUINO CONNECTIONS INTERRUPT AND DATA READY OUTPUTS VDC VDC ARDUINO UNO IOREF RESET.V V ARDUINO UNO AREF PWM, PWM, 0 PWM, 0 PWM, A0 PWM, 0 A A PWM, A A TXOUT, A RXIN, 0 VDC ELEC. COMPASS (LSM0DLHC) - BM00 -VDC BREAKOUT BOARD SIP VDC IC CLOCK _IO IC DATA INTERRUPT INTERRUPT INT DATA READY FLAG INT ELEC. COMPASS (LSM0DLHC) - BM00 BREAKOUT BOARD SIP _IO INT INT INTERRUPT AND DATA READY OUTPUTS WILL BE AT.V LEVELS REGARDLESS OF THE VOLTAGE APPLIED TO _IO REVIEW THE LSM0DLHC COMMUNICATION PROTOCOL IN THE IC'S DATASHEET FOR MORE INFO ON INTERRUPTS