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Infrared Reversing Indicator DIY Kit Adjustable Infrared Sensor Distance Measuring Module

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This is a DIY Infrared Reversing Indicator kit parts. You should solder it by yourself. According to the infrared reaction, measure the distance and change the output transition.It can be applied to intelligent robots, smart homes, industrial controls and so on.

1>. High sensitivity;
2>. Short sensing distance;
3>. Low power consumption;
4>. Inductive distance adjustable;
5>. Working status indicator;
6>. Wide operating voltage range;
7>. Low power consumption;
8>. DIY design.


No. Parameter Value
1 Model IRS-30
2 Standby current Less than 15mA
3 Soldering difficulty Level Easy
4 Working voltage DC 5V-9V(Recommend 5V)
5 Working current Less than 90mA
6 PCB Size 67*41mm

Working principle:
1>.When light hits the surface of the object, it radiates and emits part of the light. Through this principle, the receiver is used to receive this portion of the light to output a signal. According to a series of circuits, the distance range is indicated by an indicator.

2>.This circuit uses the modulated invisible infrared to detect the distance and has the advantage of anti-interference!

3>.When the object is in front of the light source about 30cm,LED3 will ON;When the object is in front of the light source about 20cm,LED2 will ON;When the object is in front of the light source about 10cm,LED1 will ON;

4>.The working voltage of this kit is DC5-9V, the recommended voltage is 5V.

Potentiometer Description:
There are two potentiometer on PCB. They have different function as shown:
VR1 : It is used to adjust distance.
VR2 : It is used to adjust sensitivity regulation.

Step 1: Complete the installation in the normal way following installation manual and schematic.(Please request separately).
Step 2:Connect DC 5-9V voltage;
Step 3:Adjust two potentiometers for test distance and sensitivity regulation.
Step 4:Test and use.

Using Attention:
1>.It cannot be used directly under the sun because it uses infrared testing.
2>.It cannot be used in high temperature environments and can be disturbed.
3>.Please make sure all components in right direction and right place.
4>.Please check whether pseudo/float welding.This is very important .
5>.The soldering iron can't touch the components for a long time, otherwise the components will be damaged because of the high temperature.

Component List:

NO. Component Name PCB Marker Parameter Quantity
1 Metal Film Resistor R1-R4 200ohm 4
2 Metal Film Resistor R5-R11 1K 7
3 Metal Film Resistor R12 1.5K 1
4 Metal Film Resistor R13-R15 10K 3
5 Metal Film Resistor R16 30K 1
6 Metal Film Resistor R17 47K 1
7 Ceramic Capacitor C1 20P 1
8 Ceramic Capacitor C2 104P 1
9 Electrolytic Capacitor C3-C4 1uF 1
10 Electrolytic Capacitor C5 10uF 1
11 Electrolytic Capacitor C6 47uF 1
12 Electrolytic Capacitor C7 220uF 1
13 Diode D1-D2 1N4148 2
14 5mm LED LED1-LED3 Red 3
15 Infrared Emitter IR1 5mm White 1
16 Infrared Receiver IR2 5mm Black 1
17 Potentiometer VR2 20K 1
18 Potentiometer VR1 50K 1
19 NE555 U1 DIP-8 1
20 LM324 U2 DIP-14 1
21 2P Socket CN1 2.54mm 1
22 Cable CN1 2P 15cm 1
23 PCB IRS-30 64*41mm 1

Note: You can finish installation by PCB silk screen and component listing.

1>.Smart home
2>.Smart robot
3>.Distance alarm

It can be used in Robot Competition.The robot advances in the maze and changes direction according to obstacles ahead to avoid collision obstacles.

Frequency asked questions:
1>. Why can't work?
Q :Please make sure all components in right direction and right place and check whether pseudo/float welding.This is very important.
2>. Can I measure distances over 30cm??
Q :Sorry,it can not.

Install tools you need preliminary preparation by yourself:
1>. Soldering iron;
2>. Multimeter;
3>. Solder wire;
4>. Iron stand;
5>. Diagonal cutting pliers;
6>. The screwdriver;
7>. Tweezers;
8>. Long nose pliers;
9>. Suction tin;
10>. Cleaning sponge;
11>. Screwdriver set.

Download installation manual and schematic:

Finished Product Picture:




I. Tested by ICStation's Outstanding Partner The Unwanted Guy:

Learn More Details in the Video:
(The language in the video is English)


II. Tested by ICStation's Outstanding Partner bzoli5706:

Learn More Details in the Video:
(The language in the video is English)

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Infrared Reversing Indicator DIY Kit Adjustable Infrared Sensor Distance Measuring Module