SY-M213 Sound Microphone Sensor High Sensitivity

SY-M213 Sound Microphone Sensor

General Specifications:

• Model: SY-M213
• Sensor Type: Electret Condenser Microphone (ECM)
• Sensitivity: High sensitivity, typically around -48 dB to -52 dB (±2 dB)
• Output Signal: Analog Output and Digital Output
• Supply Voltage: 3.3V to 5V
• Current Consumption: < 0.5 mA
• Output Type: Analog and Digital
• Connector Type: 4-pin connector (VCC, GND, Analog OUT, Digital OUT)

Performance:

• Frequency Range: 50 Hz to 10 kHz
• Maximum Sound Pressure Level (SPL): 120 dB SPL
• Signal-to-Noise Ratio (SNR): > 58 dB
• Detection Range: Can detect sound sources up to 10 meters, depending on environmental conditions.
• Response Time: Fast response to sound with minimal delay.

Applications:

• Primary Uses: Sound detection, voice control systems, ambient noise monitoring, security systems, and audio-activated switches.

Mechanical Specifications:

• Board Dimensions: Typically 25mm x 25mm (may vary slightly).
• Mounting: Hole provided for screw mounting.

Environmental Specifications:

• Operating Temperature: -20°C to +70°C
• Storage Temperature: -40°C to +85°C
• Humidity Range: 10% to 90% RH (non-condensing)

Features:

• Adjustable Sensitivity: The potentiometer on the module allows for adjusting the microphone sensitivity.
• Onboard LED: Indicates power status and signal detection.

Connectivity:

• Pinout:
  • VCC: Power supply (3.3V to 5V)
  • GND: Ground
  • AOUT: Analog signal output
  • DOUT: Digital signal output

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SY-M213 Sound Microphone Sensor High Sensitivity
darazsales

XKC-Y25-V Liquid Level Sensor Intelligent Non-Contact

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XKC-Y25-V Liquid Level Sensor Intelligent Non-Contact
darazsales

Raspberry Pi 4 Model B 2GB

The Raspberry Pi 4 Model B 2GB is a powerful and versatile single-board computer designed to provide desktop-level performance and flexibility in a compact and affordable package. With its upgraded hardware and enhanced capabilities, it stands out as an ideal platform for a wide range of applications, from educational projects to professional and industrial use cases.

Specifications:

• Processor: Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
• Memory: 2GB LPDDR4-3200 SDRAM

Networking:

• Wireless LAN: Dual-band 802.11.b/g/n/ac (2.4GHz and 5GHz)
• Bluetooth: Bluetooth 5.0, Bluetooth Low Energy (BLE)
• Ethernet: Gigabit Ethernet

Ports:

• USB Ports: 2 x USB 3.0, 2 x USB 2.0
• HDMI: 2 x micro HDMI ports supporting resolutions up to 4Kp60
• GPIO: 40-pin GPIO header
• Camera Interface: 2-lane MIPI CSI
• Display Interface: 2-lane MIPI DSI
• Audio/Video Output: 4-pole stereo audio and composite video port

Storage:

• Storage: MicroSD card slot for loading operating system and data storage

Video and Sound:

• Video: H.265 (4Kp60 decode), H.264 (1080p60 decode, 1080p30 encode), OpenGL ES 3.0 graphics
• Audio: Digital audio via HDMI, analog audio via 3.5mm jack

Power:

• Power Supply: 5V/3A DC via USB-C connector
• Power over Ethernet (PoE): Enabled (requires separate PoE HAT)

Miscellaneous:

• Dimensions: 85.6mm x 56.5mm x 17mm
• Operating Temperature: 0-50°C ambient

• Connectivity:
  • Dual-band 802.11.b/g/n/ac wireless LAN (2.4GHz and 5GHz)
  • Bluetooth 5.0, Bluetooth Low Energy (BLE)
  • Gigabit Ethernet (true Gigabit speed)
  • 2 x USB 3.0 ports and 2 x USB 2.0 ports for faster data transfer and peripheral connectivity
• Video and Display:
  • Dual micro-HDMI ports support up to 4Kp60 resolution, enabling dual-monitor setups
  • H.265 (4Kp60 decode), H.264 (1080p60 decode, 1080p30 encode)
  • OpenGL ES 3.0 graphics
• Storage: MicroSD slot for operating system and data storage, supporting high-speed storage solutions.
• Expansion: 40-pin GPIO header for interfacing with various sensors, modules, and electronic components, making it a perfect tool for DIY electronics projects and prototyping.
• Power: USB-C power supply, with a recommended 5V/3A power source to ensure stable operation under load.

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Raspberry Pi 4 Model B 2GB
darazsales

Raspberry Pi 3 Model B (1GB) Detailed Specifications

Processor (SoC):

• Broadcom BCM2837 ARM Cortex-A53
  • Architecture: 64-bit quad-core
  • Clock Speed: 1.2 GHz
  • Instruction Set: ARMv8-A

Memory (RAM):

• 1GB LPDDR2 SDRAM

Graphics Processing Unit (GPU):

• Broadcom VideoCore IV
  • Support for OpenGL ES 2.0 and OpenVG
  • H.264 decode (1080p30) and encode (1080p30)
  • Graphics Core Frequency: 400 MHz

Networking:

• Ethernet: 10/100 Mbps (Fast Ethernet)
• Wi-Fi: 802.11n (2.4 GHz, onboard Wi-Fi)
• Bluetooth: Bluetooth 4.1 (Bluetooth Low Energy – BLE)

USB Ports:

• 4 x USB 2.0 Ports (with a maximum combined throughput of 480 Mbps)

Storage:

• MicroSD Slot for booting and storage (supports SDHC and SDXC cards)

Power:

• 5V/2.5A via Micro USB (recommended power supply)
• GPIO: 5V and 3.3V pins on the GPIO header can supply small amounts of power to peripherals.

Video Output:

• HDMI: Full-size HDMI port
  • Supports 1080p output
• Composite Video: Via 3.5mm TRRS jack (shared with audio)
  • Supports both analog audio and composite video output
• Display Interface (DSI): 15-pin flat flex connector for Raspberry Pi touchscreen display

Audio Output:

• 3.5mm TRRS jack for stereo audio
• HDMI digital audio output

Camera Interface:

• CSI: 15-pin flat flex connector for Raspberry Pi camera module

General Purpose Input/Output (GPIO):

• 40-pin GPIO header (with UART, SPI, I²C, and PWM support)
• Pin Layout:
  • 2x 5V power pins
  • 2x 3.3V power pins
  • 8x ground pins
  • 26 GPIO pins for general use (includes UART, I²C, SPI, etc.)

Other Connectivity:

• UART: 1x UART
• SPI: 2x SPI
• I²C: 1x I²C bus
• PWM: Available via GPIO pins

Physical Dimensions:

• Dimensions: 85.6mm x 56.5mm x 17mm (L x W x H)
• Weight: 45g (approx.)

Operating System:

• Official OS: Raspberry Pi OS (formerly Raspbian)
• It supports other OSes, such as Ubuntu, Windows 10 IoT Core, LibreELEC, OSMC, etc.

Power Consumption:

• Typical power consumption: 2.5W to 5W depending on use (without peripherals)

Additional Features:

• LED indicators: Power, Activity, Ethernet (Link and Activity)
• Heat dissipation: Passive cooling (no fan, but optional heatsinks can be attached)

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Raspberry Pi 3 Model B 1GB
darazsales

YF-B10 Hall Effect Flow Sensor Water 1-50L/min Turbine Flowmeter

Explore our website to find the YF-B10 Hall Effect Flow Sensor Water 1-50L/min. Accurately measure water flow rates and ensure efficient monitoring with this high-quality sensor.

Feature:

*Stable, high temperature, low water pressure start.
*Small size, easy to install. Hall element is imported, water-proof design to prevent water ingress, The inside of the impeller is inlaid with a stainless steel shaft and is always wear-resistant.
*Three wire connections: Red for positive, black for negative, yellow for pulse signal.
*The water stream sensor is applied to the water heater and can be used as a stream switch.
*Maximum water pressure: 1.75MPa, stream range: 2-50L/min.

Specification

Model: YF-B10
Interface size: G1
Rated voltage: DC3.5~24V
Inner/Outer Diameter: 24.38mm/32.9mm
Thread length: 13mm
Material: Brass

Water pressure resistance: >1.75MPa
Output pulse high level: >DC4.7V (input voltage DC5V)
Output pulse duty cycle: 50%±10%
Insulation resistance: >100MΩ
Stream range: 2~50L\MIN±5%
Airtightness: close each hole, add 1.7Mpa water pressure test for 1 minute without leakage and deformation
Stream pulse characteristics: F=(8*Q-4)±5%, F is the frequency Q is L/Min, that is, 476 pulses per liter of water

Wiring:
Red IN is connected to the positive pole
Yellow OUT signal output line
Black GND to negative

Packing list:
1*stream sensor

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YF-B10 Hall Effect Flow Sensor Water 1-50L/min Turbine Flowmeter
darazsales

Voltage To Current Module 0-5V to 0 -20mA Converter Module

• Power supply voltage: DC 12V~24V.
• Input voltsge signal: 0~5V.
• Output current: 4-20mA.
• Module size:5.5*2.5cm
• Zero and span can be adjusted (potentiometer adjustment).
• with the isolated nature of the non-optically isolated.

Package Include:

1 x Voltage to Current Transmitter Signal

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Voltage To Current Module 0-5V to 0 -20mA Converter Module
darazsales

MSP430F149 development board /msp43 MCU development board / experiment board / learning board with USB Download

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MSP430F149 development board msp43 MCU development board
lahiru Dhananjaya

Heltec IOT Accessory CubeCell Lora Node ASR6502 LoRaWAN node applications for arduino with Antenna 1/2AA battery case 868 915MHZ

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Lora Node ASR6502 IOT Accessory CubeCell
lahiru Dhananjaya

SIM7000G IoT breakout Module with GPS

IoT Module SIM7000G is a cutting-edge device designed to enable seamless connectivity for Internet of Things (IoT) applications. With its advanced features, including global coverage, low power consumption, and high-speed data transfer, this module is ideal for a wide range of IoT applications, from smart homes to industrial automation.

SIM7000G IoT breakout Module with GPS
lahiru Dhananjaya

Waterproof White Box Enclosure (115*90*55) No clamp

1. Introducing our Waterproof White Box Enclosure, a versatile and durable solution for protecting your valuable electronic equipment in harsh environments. This enclosure is meticulously designed to provide a secure and watertight housing for your devices, ensuring their safety even in the most challenging conditions.

2. Crafted from high-quality white plastic, this enclosure offers a sleek and modern appearance that seamlessly blends into any setting. Its waterproof construction guarantees protection against water, dust, and other potential hazards, making it ideal for both indoor and outdoor applications.

3. The enclosure features a secure locking mechanism, ensuring that your equipment remains safe and tamper-proof. Its spacious interior provides ample room for accommodating various devices, such as circuit boards, sensors, or other electronic components.

4. With its easy-to-install design, this waterproof box enclosure offers hassle-free assembly and maintenance. It comes with pre-drilled mounting holes, allowing for quick and convenient installation on walls, poles, or any desired surface.

5. Whether you need to protect your electronics in industrial settings, outdoor installations, or even in marine environments, our Waterproof White Box Enclosure is the perfect choice. Trust in its reliability, durability, and superior protection to safeguard your valuable equipment from the elements.

Description:

Material: Plastic

Main Colour: Gray
Size：115 x 90 x 55 mm
Built-in hole hold circuit board.
Excellent waterproof and damp proof performance.

Good for electronic projects, power supply units, student projects, amplifiers, etc.

Package Include:

1 x White Box Enclosure Waterproof

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Waterproof White Box Enclosure
lahiru Dhananjaya