Payment Information
We accept Paypal payment only.
Shipping Information
1. if you choose "Economy Shipping from China/Hong Kong/Taiwan to worldwide", there will be a tracking number, but the goods cannot be tracked. You can receive the goods in about 10-30 days.
2. If you choose "Economy SpeedPAK from China/Hong Kong/Taiwan", there is a tracking number and you can track the goods. You can receive the goods in about 8-20 days.
3. If you choose “Standard SpeedPAK from China/Hong Kong/Taiwan”, there is a tracking number and you can track the goods. You can receive the goods in about 5-15 days. (This service is available only in the following countries: USA, Germany, UK, Australia, France, Canada, Austria, Denmark, Netherlands, Spain, Belgium, Czech Republic, Hungary, Ireland, Poland, Portugal, Russia, Switzerland, Sweden, Italy)
4. If you choose “Expedited Int'l Shipping”, we will ship it via DHL. You can receive the goods in about 3-5 days.
If you have not received the goods for a long time, please contact us. Please do not open the case or give any negative feedback. We will definitely refund you immediately.
Tariff policy:
Normally it's no tariffs,but each country's tariff policy is different, if appear tariffs paid by the buyer.
Return Policy
Any problem or unhappy with items. You will get refund in full amount. No question ask.
Contact Us
If you have any question, please contact us immediately ,please do not open cases , give you a satisfactory solution
Humidity Detection Module
Condition: new
HR202 sensor
Comparator output, signal clean, good waveform, strong driving ability, more than 15 ma
Working voltage: 3.3 V to 5 V
Output format: DO digital switch output (0 and 1) and AO analog voltage output
PCB size: 3.2 cm x 1.4 cm
LM393 wide voltage comparator
On 06-Jun-21 at 08:53:05 EDT, seller added the following information: