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Infrared transmitter and receiver module instruction manual
Model: JL-203
Product features:
1. Energy saving and environmental protection, low static power consumption, strong anti-interference ability, more safe and reliable.
2. The components have undergone rigorous testing and screening, and all have passed the full-load aging test before leaving the factory. Please rest assured to use.
3. The indicator light is on when the obstacle enters the sensing range, and the delay is turned off when leaving the sensing range. The time can be set.
4. Dry contact output, the scope of application is wider, and the power is greater (the circuit board is reserved with a port for installing the triode, if there is no relay, it can be changed to the triode output)
Electrical parameters:
Working voltage: The default DC12V, other voltages can be customized or changed.
Load power: ≤100W.
Sensing distance: 15 ~ 50 cm adjustable. When R5 (510 Euro) is reduced to 100 Euro, the potentiometer can be adjusted up to about 1 meter.
When the obstacle leaves the sensing range: the switch-off delay time is determined by C1 (22uF). The larger the capacity, the longer the delay. Do not delay this capacitor.
Specification size: (large board) 48 * 33 * 16mm, (small board) 40 * 10mm.
Scope of application:
Intelligent automatic control and other functions can also be used for anti-theft and other purposes.
The potentiometer adjusts clockwise to increase the distance and counterclockwise to decrease the distance. Note: When adjusting the adjustable product, please be sure to adjust it gently with a flat-blade screwdriver. If you encounter resistance, it will be at the end. You can't go forward, or the parts will be damaged.
Wiring scheme 1:

Wiring scheme 2:

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