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YF-S401 water flow sensor
Compact water flow sensor with hall-effect pulse output for accurate measurement. Ideal for irrigation, water monitoring, and DIY projects.
Description
The YF-S401 Water Flow Sensor is a precision device designed to measure the flow rate of water in pipes and systems. It features a hall-effect sensor and rotor mechanism that generates pulse signals proportional to the water flow, making it easy to interface with Arduino, Raspberry Pi, or other microcontrollers. Ideal for irrigation systems, water dispensers, and DIY water monitoring projects, the YF-S401 provides accurate, real-time flow measurements. Durable and compact, it ensures reliable performance in both domestic and industrial applications.
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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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