HW-103A Soil Moisture Sensor Module for Arduino, 3.3V-5V
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Microohm | Soil Moisture Meter, Soil Humidity Sensor, Water Soil Sensor, Soil Hygrometer for Arduino HW-103A | 60 EGP90 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 60 EGP
About this product
The HW-103A is a soil moisture sensor module with analog and digital outputs, built around an LM393 comparator. It measures moisture in soil and can be used with Arduino or other microcontroller boards for plant watering and environmental monitoring projects.
Specifications
- Operating voltage
- 3.3 V to 5 V
- Outputs
- Analog and digital
- Comparator chip
- LM393
- Indicators
- Power (red), digital output (green)
- Mounting
- Fixed bolt hole
Frequently asked questions
What is the price of HW-103A Soil Moisture Sensor Module for Arduino, 3.3V-5V in Egypt?
HW-103A Soil Moisture Sensor Module for Arduino, 3.3V-5V currently costs 60 EGP in Egypt.
Where can I buy HW-103A Soil Moisture Sensor Module for Arduino, 3.3V-5V in Egypt?
HW-103A Soil Moisture Sensor Module for Arduino, 3.3V-5V is available from Microohm. Compare the offers above to find the best price.
Analog or digital output: which should I use?
The analog output gives a graded moisture reading that you can read with an analog input. The digital output switches when moisture crosses a threshold set on the module, which suits simple on/off watering control.
Can it be powered from an Arduino?
Yes. The module operates from 3.3 V to 5 V, so it can be powered from the 5 V or 3.3 V pin of most Arduino boards. Connect GND to GND and the output pin to an analog or digital input.
