Read Before You Buy it Dear Customer,Our Freeshipping is “Seller’s Shipping Method”,Tracking number will be like “11457888274”or ” UA718888210YP” ,this tracking number only can be tracked before it arrive the airport , and have no tracking information in your country.Do not choose this shipping method if you don’t like the regular mail. Please choose “China Post Air mail” if you need international tracking number like this “RI254747030CN”,This number can provide a full tracking information. We provide Free China Post Air mail shipping method if your order price over $30.
1.PCB Board Dimension:3.2cmX1.4cm
3.The output in the form: digital switching outputs (0 and 1) and analog AO voltage output
4.The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA
5.The sensor USES the high quality FR – 04 double material, large area of 5.5 * 4.0CM, treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance
6.A fixed bolt hole for easy installation
7.Sensitivity can be adjusted via potentiometer
8.Board with positioning holes to facilitate installation
9.Wide voltage LM393 comparator
How to use
1.Connected to 5V power supply, the power indicator light, sensor board is not water droplets, DO output is high, the switch lights off, dropping on a drop of water, DO output is low, the indicator light switch,
2.Brush off the the above water droplets, has returned to output high state.
3.AO analog output can be connected to the microcontroller AD port to detect the size of the drops in the above rainfall.
4.DO TTL digital outputs can also be connected to the microcontroller detects whether there is rain.
1.VCC:positive power supply (3-5V)
2.GND:negative power supply
3.DO: TTL switching signal output
4.AO: Analog signal output
USD 1.98/pieceUSD 2.99/pieceUSD 3.20/pieceUSD 0.99/pieceUSD 2.98/pieceUSD 0.99/pieceUSD 0.99/pieceUSD 0.99/lot
0 out of 5 (0 Ratings)
5 Stars (0)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)
|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
Most Popular from Category
Raspberry Pi Robot Project Smart Video Robot Car For Raspberry Pi 3 2 Module B+ with Android App Clear Color
US $98.99 / piece
Newton 5 inch Free Shipping HMI TFT Touch Screen LCD Display Module Intelligent LCD For Arduino Raspberry Pi
Miroad 6 In 1 Professional Kit for Raspberry Pi Black Sliced 9 Layers Case Box + Cooling Fan + Wireless Mini Keyboard SC03
3.5″ LCD HDMI USB Touch Screen 1920×1080 LCD Display Audio for Raspberry Pi 3 2 (Play Game Video)
US $35.50 / piece
DFRobot Raspberry Pi Advanced Kit for Windows 10 IoT without Raspberry Pi 2 board, with Expansion Shield + different sensors etc
US $168.95 / piece
Digi 100% Genuine XBee 1mW S1 / RF Zigbee wireless module Series1, 3V 2.4GHz 802.15.4 250kbps 100m low-power with Wire Antenna
US $26.05 / piece
online shopping, buying directly from manufacturers?
- Go to Alibaba.com and enter the wanted item into search field.
- Having made your choice, click "Contact supplier" button on the right
- On the next page enter your request and click "Send" button.
- Upon clicking you will be asked to get registered. Do it and wait for the reply.