USD 3.05/pieceUSD 3.29/pieceUSD 3.68/pieceUSD 3.31/pieceUSD 3.71/pieceUSD 3.35/pieceUSD 4.00/pieceUSD 3.34/piece
10PCS Thermal Sensor Module 1 Channel 5V Relay Module Combo Moule Thermistor Temperature Sensor Module for Arduino
Humidity testing, humidity sensors, environment humidity testing, relay output, direct power control related equipment
The module features:
1, USES the high quality HR202 wet sensor;
2, the comparator output direct drive relay, 220 v ac or other equipment;
3, with potentiometer to adjust temperature detection threshold
4 can hold row needles, sensor interface, add wet lead sensor;
Power supply voltage: 5 VDC (default: 5 v current is larger than 150 ma
10 a maximum load: 250 v ac or 30 v dc 10 a, all can be used is less than the power
1, the moisture sensor is most sensitive to the environment humidity, generally used to detect the humidity of the surroundings;
In 2, modules, environment humidity more than set threshold, relay, absorption and often start through public end, and when the environment humidity is lower than the setting threshold, relay disconnect, public end with normally closed end connected;
3, the public side, normally open, normally closed three ports is equivalent to a double switch, relay coil electricity, public end and beginning conduction, often without electricity, public end with normally closed end conduction;
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|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).|
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