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Velleman® Service and Quality Warranty 

Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently 
distributes its products in over 85 countries. 

All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality, 
our products regularly go through an extra quality check, both by an internal quality department and by 
specialized external organisations. If, all precautionary measures notwithstanding, problems should occur, 
please make appeal to our warranty (see guarantee conditions). 

General Warranty Conditions Concerning Consumer Products 
(for EU): 

• All consumer products are subject to a 24

-month warranty on production flaws and defective material as from 

the original date of purchase. 

• Velleman® can decide to replace an article with an equivalent article, or to refund the retail value totally or 

partially when the complaint is valid and a free repair or replacement of the article is impossible, or if the 
expenses are out of proportion. 

You will be delivered a replacing article or a refund at the value of 100% of the purchase price in case of a flaw 
occurred in the first year after the date of purchase and delivery, or a replacing article at 50% of the purchase 
price or a refund at the value of 50% of the retail value in case of a flaw occurred in the second year after the 
date of purchase and delivery. 

• Not covered by warranty:

 

- all direct or indirect damage caused after delivery to the article (e.g. by oxidation, shocks, falls, dust, dirt, 
humidity...), and by the article, as well as its contents (e.g. data loss), compensation for loss of profits; 

- consumable goods, parts or accessories that are subject to an aging process during normal use, such as 
batteries (rechargeable, non-rechargeable, built-in or replaceable), lamps, rubber parts, drive belts... 
(unlimited list); 

flaws resulting from fire, water damage, lightning, accident, natural disaster, etc.…;

 

- flaws caused deliberately, negligently or resulting from improper handling, negligent maintenance, abusive 

use or use contrary to the manufacturer’s instructions;

 

- damage caused by a commercial, professional or collective use of the article (the warranty validity will be 
reduced to six (6) months when the article is used professionally); 

- damage resulting from an inappropriate packing and shipping of the article; 

- all damage caused by modification, repair or alteration performed by a third party without written permission 
by Velleman®. 

• Articles t

o be repaired must be delivered to your Velleman® dealer, solidly packed (preferably in the original 

packaging), and be completed with the original receipt of purchase and a clear flaw description. 

• Hint: In order to save on cost and time, please reread t

he manual and check if the flaw is caused by obvious 

causes prior to presenting the article for repair. Note that returning a non-defective article can also involve 
handling costs. 

• Repairs occurring after warranty expiration are subject to shipping costs

• The above conditions are without prejudice to all commercial warranties.

 

The above enumeration is subject to modification according to the article (see article’s manual).

 

 

 

 

 

 

 

 

 

 

 

 

 

Made in PRC 

Imported by Velleman nv 

Legen Heirweg 33, 9890 Gavere, Belgium 

www.velleman.eu 

Содержание VMA303

Страница 1: ...VMA303 ARDUINO COMPATIBLE SOIL MOISTURE SENSOR WATER LEVEL SENSOR MODULE USER MANUAL ...

Страница 2: ...aning and user maintenance shall not be made by children without supervision Indoor use only Keep away from rain moisture splashing and dripping liquids 3 General Guidelines Refer to the Velleman Service and Quality Warranty on the last pages of this manual Familiarise yourself with the functions of the device before actually using it All modifications of the device are forbidden for safety reason...

Страница 3: ...elleman VMA100 Arduino Uno and the soil moisture sensor module The soil moisture sensor module built around the LM393 comparator not included gives an active low L level output when the soil is dry determined by a pre set threshold value This digital output wet soil L dry soil H is routed to one I O terminal D2 of the Arduino microcontroller Based on this input at D2 Arduino gives an active high H...

Страница 4: ...oil Sensor input at Analog PIN A0 int value 0 void setup Serial begin 9600 pinMode GLED OUTPUT pinMode RLED OUTPUT Serial println SOIL MOISTURE SENSOR Serial println void loop value analogRead SENSE value value 10 Serial println value if value 50 digitalWrite GLED HIGH else digitalWrite RLED HIGH delay 1000 digitalWrite GLED LOW digitalWrite RLED LOW ...

Страница 5: ...is product and the latest version of this manual please visit our website www velleman eu The information in this manual is subject to change without prior notice COPYRIGHT NOTICE The copyright to this manual is owned by Velleman nv All worldwide rights reserved No part of this manual may be copied reproduced translated or reduced to any electronic medium or otherwise without the prior written con...

Страница 6: ...n shocks falls dust dirt humidity and by the article as well as its contents e g data loss compensation for loss of profits consumable goods parts or accessories that are subject to an aging process during normal use such as batteries rechargeable non rechargeable built in or replaceable lamps rubber parts drive belts unlimited list flaws resulting from fire water damage lightning accident natural...

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