Shop with DX Mobile Site Yes No

DIY Raindrop Sensor + HL-01 Module w/ Jumper Wire for Arduino

SKU: 384569
  • US$2.98

    7 %

  • 2.77
  • Free shipping To

  • Handling Time: Ships within 2-4 Business Days
  • Dispatch: Ships within 4-7 business days
  • Form Color:


DIY Raindrop Sensor + HL-01 Module w/ Jumper Wire for Arduino
DIY Raindrop Sensor + HL-01 Module w/ Jumper Wire for Arduino

DIY Raindrop Sensor + HL-01 Module w/ Jumper Wire for Arduino

US$2.77 US$2.98 7%OFF 0 (0 reviews)
Add To Cart

- High quality FR-04 dual sided material, ultra area 5.0 x 4.0cm. Nickel-plated surface, with antioxidant, electrical conductivity, and superior lifetime performance

- Comparator output, clear signal, and nice waves, powerful driver over 15mA

- Equipped with potentiometer to adjust the sensitivity

- Working voltage: 3.3V~5V

- Output method: Digital switch output (0 / 1) and analog AO voltage output

- Easy installation with fixed screw hole

- PCB size: 3.2cm x 1.4cm

- Uses wide voltage and LM393 comparator 


- When connected to a 5V supply power lights, no water droplets on sensor board , DO output is high; Switch lights off, drop a drop of water, DO output is low, the switch indicator light.

- Clean the water droplets, returned to output high state.

- AO analog output can be connected to the microcontroller AD port to detect drops in the above rainfall size.

- DO TTL digital outputs can also be connected to the microcontroller to detect whether there is rain.


VCC: Power positive (3~5V)

GND: Power negative 

DO: TTL switch signal output 

AO: Analog signal output 

Quantity1 piece
Form ColorBlack + silver
English Manual / SpecYes
Download Link
Other Features
Dimensions & Weight
Dimensions 2.13 in x 1.57 in x 0.28 in (5.4 cm x 4 cm x 0.7 cm)
Weight 0.46 oz (13 g)
Packing List
1 x Raindrop module
1 x HL-01 module
5 x Jumper wires (18cm)

All packages from are sent without DX logo or any information indicating Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

To enable volume discounts on this site, use coupon code: BULKRATE during checkout. You will see a discount applied at the bottom of the shopping cart. Competitive pricing is available. Contact us for details.

Quantity 3+ units 5+ units 10+ units
Rate US$2.46 shipped US$2.45 shipped US$2.44 shipped

What is Bulk Rate? BulkRate is a semi-wholesale system with items priced separately from retail. When you use bulk rates, a flat $1.70 registered air mail fee will automatically be added to your cart to ensure delivery of package. While BulkRate's intention is to offer cheaper prices when you buy in bulk, because it is priced separately it on occassions show a higher than retail price. That's why we ask you to enter BULKRATE as a coupon code to manually activate the rates. You can always opt not to use the bulk rates. If you are looking for wholesale prices please feel free to contact us.

Customer's impression:
There are no customer's impression yet.
Create Review

Share your reviews, photos and videos here!

Review Program
There are no reviews yet, write a review and get DX points! What are DX points?


Post a new topic

Please note that DealExtreme Forums are not a sales or product support board. For support questions, please contact us via support ticket at for a guaranteed response. We make every effort to make the quickest replies.

Tags of this product

Add your tags:

Your last viewed items

Recommendations Based On Your Recent History

DX Everywhere