IR Rangefinders

Proximity sensors for obstacle avoidance.

Connections

At least one rangefinder will be placed on each side of the robot. Each will be connected by TWI to a master board, which will broadcast measured distances over CAN.

Suggested Reading

 Rangefinder Datasheet

 Linearilizing rangefinder output

 ATtiny45 datasheet

 Using I2C on the ATtiny45

Todo

• Add detected object indicator LED.
• Add slave address selection DIP switch.
• Write python calibration and linearizing code.
• Add button for single shot sample.