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TSW-20 Water Turbidity Sensor with a red amplifier board
The TSW-20 Water Turbidity Sensor measures water clarity using light scattering and provides an analog output via a red amplifier board for microcontroller-based projects.
The TSW-20 Water Turbidity Sensor with Red Amplifier Board is a reliable sensor designed to measure the turbidity (cloudiness) of water by detecting the amount of light scattered by suspended particles. Higher turbidity indicates the presence of dirt, silt, or other contaminants, making this sensor ideal for water quality analysis.
The sensor uses an infrared LED and photodiode pair to detect light scattering and includes a red signal conditioning/amplifier board that provides a stable analog output compatible with microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi. Its waterproof probe and fast response make it suitable for continuous monitoring.
The TSW-20 turbidity sensor is widely used in water treatment systems, aquaculture, environmental monitoring, smart irrigation, laboratory experiments, and educational projects, offering an easy and cost-effective solution for turbidity measurement.

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- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.

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