Tank Day 23: Range and Bearing

Step 1: Choose Sensors Two sensors were chosen for the Raspberry Tank’s first foray into detecting its environment: An ultrasound rangefinder (SRF02) and a 3-axis compass (CMPS10), both ordered from robot-electronics.co.uk. Beyond their I2C interface, these devices were chosen largely for cost reasons, though they should both be fine for the job they will have …

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