SunFounder ESP32 Starter Kit
• 6.6 Plant Monitor (Arduino Project)
• 5.9 Measure Soil Moisture (MicroPython Project)
• 6.8 Plant Monitor (MicroPython Project)
5.31 Obstacle Avoidance Module
• VCC: Power supply, 3.3 ~ 5V DC.
• GND: Ground
• OUT: Signal pin, usually high level, and low level when an obstacle is detected.
The IR obstacle avoidance module has strong adaptability to environmental light, it has a pair of infrared transmitting
and receiving tubes.
The transmitting tube emits infrared frequency, when the detection direction encounters an obstacle, the infrared radi-
ation is received by the receiving tube, after the comparator circuit processing, the indicator will light up and output
low level signal.
The detection distance can be adjusted by potentiometer, the effective distance range 2-30cm.
Example
5.31. Obstacle Avoidance Module 751
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