, Lexington, MA, offers Aichi Micro Intelligent Corp.'s AMI 201, AMI 302, AMI 501, and AMI 601 accelerometers and electronic compass modules. The AMI 201 (2-axis) and AMI 301 (3-axis) compass modules are suited for consumer and industrial applications and are 3.1 by 3.4 by 0.8 mm (AMI 201) and 3.15 by 4.0 by 1.45 mm (AMI 301). The AMI 501 is a G2 motion sensor that detects geomagnetism and gravity and is 5.5 by 5.5 by 1.5 mm. The AMI 601 3-axis magnetic sensor and 3-axis accelerometer has embedded microcomputers, a temperature sensor, 12-bit ADC, and onboard RAM/ROM memory. All devices operate from 3 VDC.