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Soil Moisture Sensor Pump, Adjustable Sensitivity DIY Electronic Watering Kit  For Plants For Garden

<ul><li>ROUGHLY MEASURE HUMIDITY: This board can roughly measure the humidity and decide the switch of the watering equipment according to the humidity</li><li>ROUGHLY ADJUST SENSITIVITY WITH POTENTIOMETER: The sensitivity can be roughly adjusted with a potentiometer, enough for daily use of irrigation</li><li>NOT REQUIRE PROGRAMMING: This product does not require programming, does not include a single chip microcomputer, just assemble according to the schematic diagram, and easy to use</li></ul>

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<br/><b>Specification:</b><br/>Item Type: DIY Electronic Watering Kit<br>Power Supply Voltage: 5V​ <br/><br/><b>Package List:</b><br/><p>1 x Relay Module</p><p>1 x Soil Moisture Probe</p><p>1 x Comparison Module</p><p>1 x Small Water Pump</p><p>1 x Battery Case</p><p>1 x Silicone Water Pipedefault about 90cm </p><p>12 x  Wire</p> <br/><br/><b>Note:</b><br/><div>1. The kit is a spare part, you need to wire it yourself, or even welding it, there is a schematic diagram for specific wiring method.</div><div>2. This product does not require programming, nor does it include a microcontroller, so buyers please do not force us to provide the code.</div><div>3. This product does not provide power, you can use a power bank 5V DC as the power source, or use 4 x AA battery boxes and install batteries for power supply.</div><div>4. Do not pour water directly on the probe. Many people don't know this. When the humidity of the water is high, it will rust and break.</div>

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