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TDS meter water quality sensor with an amplifier board
The TDS Meter Water Quality Sensor measures total dissolved solids in water and provides an analog output via an amplifier board for embedded and IoT applications.
The TDS Meter Water Quality Sensor with Amplifier Board is a practical sensor designed to measure Total Dissolved Solids (TDS) in water, indicating the concentration of dissolved salts, minerals, and other substances. TDS is an important parameter for evaluating water purity and quality.
This sensor consists of a waterproof probe and an amplifier/signal conditioning board that converts the probe signal into a stable analog voltage output, making it easy to interface with microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi. The amplifier board enhances accuracy and simplifies integration into real-time monitoring systems.
The TDS sensor module is widely used in drinking water testing, aquaculture, hydroponics, water purification systems, smart irrigation, environmental monitoring, and educational projects, providing a reliable and cost-effective solution for water quality measurement.

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- Firmware:Â GRBL
- Modular stepper motor drivers:Â 3
- Limit switches:Â 6
- Micro-stepping:Â 1/16
- Coolant enable
- Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825, and others) (Not Included)
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- Compact design.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
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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;

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