Soil Moisture Sensor
Soil Moisture Sensor is backordered and will ship as soon as it is back in stock.
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Call us on 1300 240 817 between 10 AM and 4 PM on weekdays or email team@littlebird.com.au .
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For orders over 500g (such as bulky items), shipping may cost more than the initial estimate.
We deliver across Australia, and here are the options (based on your location; view them on the cart page):
- Standard Post: Starting at $7 (6+ business days, with tracking)
- Express Post: Starting at $11 (2+ business days, with tracking)
- Same Day Delivery: Available for Sydney orders.
- Non-metro WA, NT, SA, and TAS: May take an additional 2+ days.
Soil Moisture Sensor
This soil moisture sensor provides both analogue and digital outputs, making it compatible with Arduino, Raspberry Pi, and other microcontrollers. Use it to monitor soil moisture levels for automated watering systems, plant health monitoring, or gardening projects.
The digital output threshold is adjustable via an onboard potentiometer, allowing you to set the exact moisture level that triggers the digital signal. LED indicators show power status and digital output state.
Key Features
- Dual Output – Both analogue and digital outputs available
- Adjustable Threshold – Potentiometer sets digital trigger point
- Wide Voltage Range – Works with 3.3V and 5V systems
- LED Indicators – Power (red) and digital output (green) status
- LM393 Comparator – Reliable digital output circuit
Specifications
- Operating Voltage: 3.3V – 5V
- Comparator: LM393
- PCB Size: 30 × 15mm
- Probe Size: 60 × 20mm
- Cable Length: 21cm
Pinout
- VCC: 3.3V – 5V power
- GND: Ground
- DO: Digital output (high/low)
- AO: Analogue output (0 – VCC)
Ideal For
- Automated plant watering systems
- Garden monitoring projects
- IoT soil sensors
- Agricultural applications
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