AUTOMATIC DOOR WITH PRESENCE SENSOR

Today we will carry out a very interesting project of an automatic door control with a presence sensor to open and close the door.

GERBER PCB:

https://mega.nz/file/DVQyiKYQ#eHwNxAltC0VDlH8aDusunu2n620N87NU4QdGG3NwJpk

Here we will see the schematic diagram with all the values ​​of the electronic components made in both PROTEUS and EASYEDA so that you can do it yourself

Firstly, we will start by energizing our PCB with 12VDC for the respective tests with 3 inputs, 2 for NC limit switches and 1 presence sensor for detecting people and opening the door.

When the sensor detects the presence of a person, it activates the motor in a clockwise direction and when it reaches the door opening limit switch, it will change its state, making the motor turn change and closes the door until reaching the other limit switch and thus deactivating the motor and waiting to detect another person and the process is repeated again.

INFO

The L293D H-bridge driver makes it easy to control motors with Arduino or PIC. It has internal protection diodes for inductive loads such as motors. Its small size is ideal to be used in mobile robotics projects such as line followers, sprinters, maze. It allows to control the direction of rotation and the speed of each motor independently.

Supports:

2 bidirectional DC motors

1 Stepper Motors (unipolar or bipolar)

Separation between motor source / Arduino source

TECHNICAL SPECIFICATIONS

Input voltage (motors): 4.5V-V

DC current per channel: 600mA

Peak current per channel: 1.2A

Thermal overload protection

Protection diodes against reverse voltages generated by inductive loads (motors)

In the case of motors, it is possible to control both their speed (PWM) and their direction of rotation.

Control of stepper motors in unipolar or bipolar mode

• 4 RESISTORS 1206 1K
• 1 RESISTOR 10K (4 UND)
• 1 DIODE M7
• 2 DIODES 1N5819
• 2 CAPACITORS 104
• 1 REGULATOR LM7805
• 4 DIODES LEDS 0805 GREEN
• 1 JACK DC
• 1 CI 74HC14N
• 1 CI 74LS00
• 1 CI L293D
• 2 CAPACITOR ELECTROLITO 470UF16V
• 4 BLOCK TERMINAL BLUE 2 PIN
• 3 PC817
• 1 ESPADIN 90° 3 PINES
• 1 PCB

• VIN 12VDC
• INTEGRATED 5V REGULATOR
• 2 INPUTS FOR LIMIT SWITCH
• 1 PRESENCE SENSOR
• 1 12VDC DC MOTOR OUTPUT
• I max 300mA

This project was made in the Easyeda software as we can see the tracks and the 3D image of the project working perfectly are no difficulty

PCBWAY has 10 years in the electronics industry manufacturing professional PCBs, assembling PCBs managing to satisfy the demands of all parts of the world, in addition to meeting the highest quality and delivery time standards. PCBWAY allows the manufacture of your PCBs from 5 units.

This project was carried out thanks to PCBWAY, a company dedicated to the manufacture of prototypes and professional PCBs, in addition to offering you a ready assembly service with all the components in your PCBS, complying with the established quality and delivery time standards.

We thank PCBWAY, a leading company for manufacturing and assembling professional PCBs with the highest quality, PCBWAY has fair reasonable prices, punctual shipping time and 24-hour customer service, it also offers you the option of quoting all its services in his web page. Do not think twice and start manufacturing your professional PCBs from 5 units safely.

10pcbs at $5 order them here www.pcbway.com

We thank PCBWAY for the professional pcb they provide us for this project.

GERBER PCB:

https://mega.nz/file/DVQyiKYQ#eHwNxAltC0VDlH8aDusunu2n620N87NU4QdGG3NwJpk