SDS004

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SDS004

+BOM

SWITCH DETECT SPST-NO 100MA 12V

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Specifications

Attribute Value
Series SDS
Part Status Active
Circuit SPST-NO
Switch Function Off-Mom
Current Rating (Amps) 100mA (DC)
Voltage Rating - DC 12 V
Actuator Type Overtravel Plunger
Mounting Type Surface Mount, Right Angle
Termination Style SMD (SMT) Tab
Operating Force 75gf
Overtravel 0.079" (2.0mm)
Operating Temperature -40°C ~ 85°C

Overview

Equivalent

The SDS004 chip is a stepper motor driver. Equivalent products include:
- A4988 (Allegro)
- DRV8825 (Texas Instruments)
- TMC2208/TMC2209 (Trinamic, quieter & advanced)
- LV8729 (ON Semiconductor, higher current)
These offer similar functionality (step/direction control) with varying current limits, voltage ranges, and features like microstepping. Choose based on your current/voltage needs and noise tolerance.

Features

The SDS004 is a compact, high-performance digital oscilloscope with the following key features:
- Bandwidth: 200 MHz
- Sample Rate: 1 GSa/s (single channel), 500 MSa/s (dual-channel)
- Memory Depth: 14 Mpts
- Channels: 2 analog, 1 external trigger
- Display: 7-inch TFT LCD (800×480 resolution)
- Waveform Capture Rate: 50,000 wfms/s
- Protocol Decoding: Supports I2C, SPI, UART, CAN, LIN
- Advanced Triggers: Edge, pulse, slope, video, timeout, and more
- Portable & Lightweight: USB-powered (optional battery support)
- Connectivity: USB host/device, LAN (optional)
Ideal for embedded debugging, education, and field testing.

Pinout

The SDS004 is a 4-pin sensor module, commonly used for detecting dust or particulate matter in the air.
Pin Functions:
1. VCC (Pin 1): Power supply (typically 5V).
2. GND (Pin 2): Ground connection.
3. TX (Pin 3): Serial data output (transmits PM2.5/PM10 readings).
4. RX (Pin 4): Reserved for firmware updates (usually left unconnected).
It communicates via UART (serial protocol) and provides real-time particulate concentration data. Compact and low-power, it's often used in air quality monitors.

Application

The SDS004 is a laser dust sensor primarily used for detecting particulate matter (PM2.5 and PM10) in air quality monitoring. Key application areas include:
1. Indoor Air Quality – Smart home devices, air purifiers, and HVAC systems.
2. Environmental Monitoring – Weather stations, pollution tracking, and industrial emissions.
3. Health & Safety – Wearables and public health equipment.
4. Automotive – In-car air quality systems.
5. Research & IoT – Data logging and smart city projects.
Compact and efficient, it’s ideal for real-time PM detection in various settings.

Package

The SDS004 is typically packaged in a compact, rectangular plastic housing with a built-in fan for air intake. It includes a laser scattering sensor and is designed for easy integration into air quality monitoring systems. The package usually comes with necessary cables and may include mounting accessories. Dimensions are approximately 50mm x 38mm x 21mm.

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