Tunable 3-80cm; E18-D50NK; infrared obstacle avoidance sensor; close switch; smart car
Product Description This is a set of transmitter and receiver in one of the photoelectric sensor. Detection distance can be adjusted according to the requirements. The sensor has a detection distance by visible light interference small, cheap, easy to assemble, easy to use, and other characteristics, can be widely used in robot obstacle avoidance, pipeline piecework and many other automation products.
Photoelectric sensor (photoelectric switch) NPN normally open
Photoelectric switch E18 technical parameters:
1, the output current DC / SCR / Relay Control output: 100mA/5V powered
2, the DC current consumption <25mA
3, response time <2ms
4, point angle: ? 15 °, effective distance 3-50CM adjustable
5, detection of objects: transparent or opaque body
6, the working environment temperature: -25 °C ~ 55 °C
7, the standard sensing object: sunlight 10000LX The following incandescent 3000LX
8, Case Material: Plastic
Sensor length: 45MM
Lead Length: 45CM
Goods production line automatic counting device
2, multi-function reminder
3, Maze Robot
[Note] for reliable and long life protection action, under the conditions of the relevant provisions of the outside temperature outside (outdoor) Avoid proximity sensor water structure, mounted on the hood, not allow water and water capacitive cutting oilleaching to be better to improve the reliability and lifetime. Please also avoid the chemicals used, especially in alkali, acid, nitric acid, Ming acid, hot concentrated sulfuric acid, etc. climate.
Red: then 4.5-5V supply high level
Yellow: connected microcontroller output TTL level to the microcontroller
Green: GND 0V to power low level
Front Accessible output high, there is an obstacle to the output port (yellow) level from high into low, a rear view of a potential obstacle detection distance can be adjusted, once adjusted potentiometer (such as the regulation of maximum distance of 50cm) in the effective distance (such as 40cm at obstructions, 10cm at obstacles) output low, low just to the microcontroller to identify.
Pull-up resistor 10K to 5V output of the yellow line circuit design can then access the microcontroller detection would be more stable, the microcontroller can be detected by external hardware interrupt INT0 INT1 to
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