This is a DS18B20 precise temperature sensor. The sensor achieves an accuracy of +/- 0.5C over most of it's operating range. The sensor is used over a 1-wire 5V TTL interface. This makes it ideal for general measurements. Formerly TE-233-000
This is a 4WD IG42 single bearing platform that is setup for outdoor navigation/positioning. A full array of sensor options including an IMU, motor encoders, and a Garmin 18x GPS that can provide position feedback with up to 3 meter accuracy.