In this video, I have shown how to design a simple motion sensor switch on a breadboard using the IR module and CD4017 IC for the toilet light bulb in the home.
I have received the required Electronics components from lcsc.com for this project.
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Required Components with LCSC.com purchase link:
1) CD4017 IC - 1 no - https://lcsc.com/product-detail/74-Series_TI_CD4017BE_CD4017BE_C34519.html
2) BC547 Transistor - 1 no- https://lcsc.com/product-detail/Transistors-NPN-PNP_Changjiang-Electronics-Tech-CJ-BC547_C2092.html
3) 100uF Capacitor - 1 no- https://lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_LCSC-100uF-50V_C2749.html
4) 220-ohm 0.25watt Resistors - 2 no https://lcsc.com/product-detail/Carbon-Film-Resistors_Uniroyal-Elec-CFR0W4J0221A50_C61289.html
5) LED 5mm - 1 no- https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_333-2SURD-S530-A3-5mm-Red-hair-red_C87271.html
6) 1N4007 Diode - 1 no- https://lcsc.com/product-detail/Diodes-General-Purpose_1N4007_C84641.html
7) 5 v SPDT (250VAC) Relay - 1 no- https://lcsc.com/product-detail/Relays_JZC-32F-5-ZS3-555_C9223.html
8) BreadBoard - 1 no https://lcsc.com/product-detail/Breadboards_DS1136-06-830SNVBreadboards_C93726.html
9) connecting wire
10) 9v battery or Mobile charger
Components for the IR Module-
11) LM358 Op-Amp- 1 no https://lcsc.com/product-detail/General-Purpose-Amplifiers_ON-Semicon_LM358N_ON-Semicon-ON-LM358N_C84858.html
12) 5mm LED (any color) - 1 no https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_333-2SURD-S530-A3-5mm-Red-hair-red_C87271.html
13) 220-ohm 0.25watt Resistors - 1 no https://lcsc.com/product-detail/Carbon-Film-Resistors_Uniroyal-Elec-CFR0W4J0221A50_C61289.html
14) 10k 0.25watt Resistor - 1no https://lcsc.com/product-detail/Carbon-Film-Resistors_Uniroyal-Elec-CFR0W4J0103A50_C61299.html
15) 1k 0.25 watt Resistor - 1no https://lcsc.com/product-detail/Carbon-Film-Resistors_Uniroyal-Elec-CFR0W4J0103A50_C61299.html
16) 10k Variable Resistor - 1no https://lcsc.com/product-detail/Precision-Potentiometer_BOURNS_3362P-1-103LF_10KR_C58159.html
17) IR Transmitter Receiver Pair - 1 set
18) Zero PCB - 1 no- https://lcsc.com/product-detail/Prototype-Boards_1-6mm-Double-sided-universal-board-size-3x7cm_C2077.html
You can refer to the following video to make the IR module circuit or you can buy the IR module from any website:
How to make IR Module: https://youtu.be/YwedPAIoR4g
In this project, I have controlled the 220v 9 watt LED lamp by using the motion sensor switch. The motion sensor circuit automatically turns on and off the toilet light if someone enters and exit the toilet. The circuit is similar to the pir sensor. Here I have used a CD4017 ic and IR module to design the motion sensor circuit.
After watching the complete video anybody can design the circuit but for the daily use, I will suggest to make the circuit on PCB which I will show in my upcoming video.
This project is also part of DIY Home Automation as the motion sensor switch saves the electrical energy as it turns off the light automatically when it not required.
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