HMR3100

www.DataSheet4U.com HMR3100 SENSOR PRODUCTS DIGITAL COMPASS SOLUTION Features 5° Heading Accuracy, 0.5° Resolution 2-axis Capability Small Size (19mm x 19mm x 4.5mm), Light Weight Advanced Hard Iron Calibration Routine for Stray Fields and Ferrous Objects 0° to 70°C Operating Temperature Range 2.6 to 5 volt DC Single Supply Operation General Description Top Side The Honeywell HMR3100 is a low cost, two-axis electronic compassing solution used to derive heading output. Honeywell’s magnetoresistive sensors are utilized to provide the reliability and accuracy of these small, solid state compass designs. The HMR3100 communicates through binary data and ASCII characters at four selectable baud rates of 2400, 4800, 9600, or 19200. This compass solution is easily integrated into systems using a simple USART interface. Bottom Side APPLICATIONS Vehicle Compassing Hand-Held Electronics Telescope Positioning Navigation Systems HMC1022 Block Diagram VCC RXD TXD RTS GND CPU Solid State Electronics Center www.magneticsensors.com (800) 323-8295 Page 1 HMR3100 SENSOR PRODUCTS SPECIFICATIONS Characteristics Heading Accuracy Resolution Repeatability Magnetic Field Range Resolution Electrical Input Voltage Current Unregulated Normal Mode (Average 1Hz Sampling) Sleep Mode Calibration Digital Interface USART Update Rate Connector Physical Dimensions Weight Environment Temperature Operating Storage 0 -40 +70 +110 °C °C Circuit Board Assembly 19 x 19 x 4.5 1.5 gr...