Review on 10pcs/Pack DIYmall Arduino Smart Car Robot IR Infrared Obstacle Avoidance Sensor - IR Transmitting and Receiving Tube with Photoelectric Switch by Nick Shirodkar
only good for very close detection
says it can go up to 30cm but I couldn't get it past 8cm with a completely white object in front of it. You can only turn the potentiometer halfway before it sticks, signaling that it's detected something, even if there's nothing in front of the sensors.
- Excellent design
- Good but not great detection range
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