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SQR117 - 24V DC Square Siren

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Component Documentation

SQR117 - 24V DC Square Siren

Overview

The SQR117 is a high-performance, 24V DC square siren designed for various alarm and warning systems in industrial, commercial, and residential applications. This component is ideal for use in security systems, fire alarms, warning devices, and other applications where a loud, clear, and attention-grabbing sound is required.

Functionality

The SQR117 operates on a 24V DC power supply and produces a high-decibel, piercing sound when powered on. The siren's loud and clear sound is designed to grab attention in emergency situations, making it an essential component in alarm and warning systems.

Key Features

  • Operating Voltage: 24V DC
  • Sound Pressure Level: Up to 110 dB at 1 meter
  • Frequency: 2.4 kHz
  • Power Consumption: 1.2A (max)
  • Operating Temperature: -20C to 50C (-4F to 122F)
  • Humidity: Up to 80% RH (non-condensing)
  • Dimensions: 90 x 90 x 45 mm (3.5 x 3.5 x 1.8 in)
  • Mounting: Wall-mountable with screws (included)
  • Certifications: RoHS and CE compliant
  • Material: Durable ABS plastic housing

Electrical Connections

The SQR117 has two terminal blocks for connecting the 24V DC power supply. The terminal blocks are labeled as follows
Positive (+) terminal24V DC power supply
Negative (-) terminal0V (ground)

Installation and Operation

  • Mount the SQR117 to a wall or other durable surface using the provided screws.
  • Connect the 24V DC power supply to the terminal blocks, ensuring correct polarity.
  • Apply power to the siren; it will produce a loud, high-decibel sound.
  • To silence the siren, remove power from the device.

Safety Precautions

Handle the SQR117 with care to avoid damage or electrical shock.

Ensure the siren is mounted securely to prevent accidental dislodging.

Follow proper electrical safety practices when connecting the power supply.

Applications

The SQR117 is suitable for use in various applications, including

Security systems

Fire alarms

Warning devices

Industrial control systems

Commercial and residential alarm systems

Warranty and Support

The SQR117 is covered by a 1-year limited warranty. For technical support, documentation, and warranty information, please contact the manufacturer or authorized distributors.

Pin Configuration

  • SQR117 - 24V DC Square Siren Pinout Guide
  • The SQR117 is a 24V DC Square Siren designed for use in various IoT applications, including security systems, industrial alarm systems, and smart home devices. This documentation provides a detailed explanation of the component's pinout, along with a step-by-step guide on how to connect the pins.
  • Pinout Structure:
  • The SQR117 has a total of 4 pins, arranged in a single row. The pinout structure is as follows:
  • | Pin Number | Pin Name | Pin Type | Description |
  • | --- | --- | --- | --- |
  • | 1 | VCC | Power Input | 24V DC Power Supply |
  • | 2 | GND | Ground | Ground Connection |
  • | 3 | IN | Input | Trigger Input for Siren Activation |
  • | 4 | OUT | Output | Siren Output (Speaker Connection) |
  • Pin-by-Pin Explanation:
  • 1. VCC (Pin 1) - Power Input
  • This pin is used to supply 24V DC power to the siren.
  • Connect a 24V DC power supply to this pin.
  • Ensure the power supply is stabilized and regulated to prevent damage to the component.
  • 2. GND (Pin 2) - Ground
  • This pin is used to provide a ground connection for the siren.
  • Connect a ground wire from your circuit or system to this pin.
  • Ensure a secure and reliable ground connection to prevent electrical noise and interference.
  • 3. IN (Pin 3) - Input
  • This pin is used to trigger the siren.
  • Connect a digital signal (e.g., from a microcontroller or sensor) to this pin to activate the siren.
  • The input signal should be a logic-level signal (e.g., 0-5V) to trigger the siren.
  • 4. OUT (Pin 4) - Output
  • This pin is used to connect the siren speaker.
  • Connect a suitable speaker or buzzer to this pin, ensuring a secure and reliable connection.
  • The siren output is designed to drive a speaker or buzzer, producing a loud alarm sound when activated.
  • Connecting the Pins:
  • To connect the pins, follow these steps:
  • 1. Connect a 24V DC power supply to Pin 1 (VCC).
  • 2. Connect a ground wire from your circuit or system to Pin 2 (GND).
  • 3. Connect a digital signal source (e.g., microcontroller or sensor) to Pin 3 (IN). Ensure the signal is a logic-level signal (e.g., 0-5V).
  • 4. Connect a suitable speaker or buzzer to Pin 4 (OUT). Ensure a secure and reliable connection.
  • Important Notes:
  • Ensure the power supply is stabilized and regulated to prevent damage to the component.
  • Use a suitable speaker or buzzer that can handle the output power of the siren.
  • Ensure proper insulation and protection of the connections to prevent electrical shock or short circuits.
  • By following this guide, you can successfully connect and use the SQR117 - 24V DC Square Siren in your IoT applications.

Code Examples

SQR117 - 24V DC Square Siren Documentation
Overview
The SQR117 is a 24V DC square siren designed for use in various IoT applications, including alarm systems, industrial automation, and smart home devices. This siren produces a loud, high-pitched tone to alert users of potential threats or system notifications.
Technical Specifications
Operating Voltage: 24V DC
 Operating Current: 200mA
 Sound Pressure Level: 105dB
 Frequency: 2.4kHz
 Dimensions: 90mm x 90mm x 40mm
 Weight: 150g
Pinout
The SQR117 siren has two terminals:
Positive (+) terminal: Connect to 24V DC power source
 Negative (-) terminal: Connect to GND
Code Examples
### Example 1: Basic Siren Control using Arduino
In this example, we will connect the SQR117 siren to an Arduino board and control it using a digital output pin.
```c
const int sirenPin = 9; // Choose a digital output pin on your Arduino board
void setup() {
  pinMode(sirenPin, OUTPUT);
}
void loop() {
  digitalWrite(sirenPin, HIGH); // Turn the siren ON
  delay(5000); // Wait for 5 seconds
  digitalWrite(sirenPin, LOW); // Turn the siren OFF
  delay(5000); // Wait for 5 seconds
}
```
Hardware Connections:
Connect the positive (+) terminal of the SQR117 siren to the digital output pin (e.g., pin 9) on the Arduino board.
 Connect the negative (-) terminal of the SQR117 siren to the GND pin on the Arduino board.
### Example 2: Siren Control using Raspberry Pi and Python
In this example, we will connect the SQR117 siren to a Raspberry Pi and control it using Python.
```python
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
siren_pin = 17 # Choose a GPIO pin on your Raspberry Pi
GPIO.setup(siren_pin, GPIO.OUT)
while True:
    GPIO.output(siren_pin, GPIO.HIGH) # Turn the siren ON
    time.sleep(5) # Wait for 5 seconds
    GPIO.output(siren_pin, GPIO.LOW) # Turn the siren OFF
    time.sleep(5) # Wait for 5 seconds
```
Hardware Connections:
Connect the positive (+) terminal of the SQR117 siren to the chosen GPIO pin (e.g., pin 17) on the Raspberry Pi.
 Connect the negative (-) terminal of the SQR117 siren to the GND pin on the Raspberry Pi.
### Example 3: Siren Control using ESP32 and MicroPython
In this example, we will connect the SQR117 siren to an ESP32 board and control it using MicroPython.
```python
import machine
import utime
siren_pin = machine.Pin(15, machine.Pin.OUT) # Choose a GPIO pin on your ESP32 board
while True:
    siren_pin.value(1) # Turn the siren ON
    utime.sleep(5) # Wait for 5 seconds
    siren_pin.value(0) # Turn the siren OFF
    utime.sleep(5) # Wait for 5 seconds
```
Hardware Connections:
Connect the positive (+) terminal of the SQR117 siren to the chosen GPIO pin (e.g., pin 15) on the ESP32 board.
 Connect the negative (-) terminal of the SQR117 siren to the GND pin on the ESP32 board.
Note: Make sure to adjust the pin numbers and GPIO modes according to your specific board and setup. Additionally, ensure that the SQR117 siren is powered by a 24V DC power source.