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HW-103A Soil Moisture Meter Detection Module Robot Smart Car HW-103A Soil Moisture Meter Detection Module Robot Smart Car HW-103A Soil Moisture Meter Detection Module Robot Smart Car HW-103A Soil Moisture Meter Detection Module Robot Smart Car HW-103A Soil Moisture Meter Detection Module Robot Smart Car

HW-103A Soil Moisture Meter Detection Module Robot Smart Car

$3.96

Dispatch: Ship within 1-3 days
Shipping: US $3 to via Standard Shipping
Estimated Delivery: 8 - 22 business days
SKU: 1938717 Category:
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Buy HW-103A Soil Moisture Meter Detection Module Robot Smart Car cheapest price

Description:
1. This is a simple moisture sensor that can be used to detect soil moisture. When the soil is short of water, the module outputs a high level, otherwise it outputs a low level. Use this sensor to create an automatic watering device that takes the plants in your garden out of the hands of humans.
2. The sensitivity is adjustable (adjusted by the blue digital potentiometer in the picture)
3. Working voltage: 3.3V-5V
4. Module dual output mode, digital output is simple, and analog output is more accurate.
5. With fixing bolt holes for easy installation
6. Small board PCB size: 3cm * 1.6cm
7. Power indicator (red) and digital switch output indicator (green)
8. The comparator adopts LM393 chip, which works stably
Small board interface description (4-wire system):
1. VCC external 3.3V-5V
2. GND External GND
3. DO small board digital output interface (0 and 1)
4. AO small board analog output interface
Instructions for use:
1. The soil moisture module is sensitive to environmental humidity and is generally used to detect soil moisture.
2. When the soil humidity of the module does not reach the set threshold, the DO port outputs a high level, and when the soil humidity exceeds the set threshold, the module D0 outputs a low level;
3. The digital output D0 of the small board can be directly connected to the single-chip microcomputer, and the high and low levels are detected by the single-chip microcomputer, thereby detecting the soil moisture;
4. The small board digital output DO can directly drive our relay module, buzzer module, etc., thus forming a soil moisture alarm device;
5. The analog output AO of the small board can be connected to the AD module, and through AD conversion, a more accurate value of soil moisture can be obtained;
Package includes:
1 x Detection Module
1 x Soil Moisture Probe
2 x 20cm Dupont wire

Best HW-103A Soil Moisture Meter Detection Module Robot Smart Car wholesale price

Specification: HW-103A Soil Moisture Meter Detection Module Robot Smart Car

Weight 0.01 kg

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HW-103A Soil Moisture Meter Detection Module Robot Smart Car

$3.96

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