Will it work with a 12V supply?

You will want a good, stable 5 volt supply of using with Raspberry Pi.

is it 5 or 3.3v? description says 5, but title says both.

It will work with either the 3.5 or 5 volt signal from your Arduino board.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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3pcs LM393 Rain Drops Sensor Weather Moisture Monitor Sensor Humidity Sensitivity Module Nickeled Plate 3.3-5V for Arduino

Product ID: 31357087

Details

Brand
HiLetgo
Color
black
Connector Type
Screw
Current Rating
15 milliamps
Item Pitch
5.4
Material
Plastic

⚡15mA strong drive current

💧Large 5.4x4.0cm rain detection area

🔧Adjustable sensitivity potentiometer

$14.67

Duties & taxes included

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of the storm with precision rain sensing tech!

DURABLE RELIABLE - High-quality FR-04 double-sided PCB material guarantees long-lasting performance in diverse weather conditions.
ROBUST SIGNAL OUTPUT - Clean TTL digital and analog outputs with strong 15mA drive capacity to power relays and buzzers directly.
PLUG PLAY INTEGRATION - Compact control board with clear VCC, GND, DO, AO pins designed for seamless Arduino compatibility.
CUSTOMIZABLE SENSITIVITY - Easily fine-tune detection thresholds via built-in potentiometer for tailored environmental response.
PRECISION RAIN DETECTION - Large nickel-plated sensor board ensures accurate moisture sensing with superior oxidation resistance.

The HiLetgo LM393 Rain Drops Sensor is a high-performance moisture detection module featuring a large nickel-plated sensing surface and robust 15mA comparator output. Designed for Arduino and similar microcontrollers, it offers both digital TTL and analog outputs with adjustable sensitivity, enabling precise and reliable rain detection for smart weather monitoring projects.

Specifications

ASIN	B01DK29K28
Best Sellers Rank	#1,220 in Single Board Computers (Computers & Accessories)
Brand Name	HiLetgo
Centerline Length	5.4 millimeters
Color	black
Connector Type	Screw
Current Rating	15 milliamps
Customer Reviews	4.3 4.3 out of 5 stars (122)
Manufacturer	HiLetgo
Material Type	Plastic
Model	3-01-0312-A
Mounting Type	Surface
Number Of Contacts	6
Number Of Poles	3
Number of Items	800
Number of Positions	3
Part Number	3-01-0312-A
Pitch	5.4 millimeters
Voltage	5 volts

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