KY-004 5pcs Key Switch Sensor Module Board For Arduino AVR PIC 12VDC Raspberry For Sale
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KY-004 5pcs Key Switch Sensor Module Board For Arduino AVR PIC 12VDC Raspberry:
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Use key switch module and LED light built in digital 13 interface to build a simple circuit, and produce the key warning lamp.
Please connect the key switch module to number 3 button switch sensor interfaces, when the key switch sensor senses a key signal, LED lights.
Otherwise, it will light off.
Compatible Brand: For Arduino
Country of Manufacture: China
Rating: 50mA 12VDC
Contact Resistance: 50mΩ max(initial)
Insulation Resistance: 100mΩ（minDC 250V）
Dielectric Strength: AC250V (50/60Hz for 1 minute)
Electrically Life: 100,000 cycles
Environment temperature: -25℃ to 105℃
Operating Force: 180/230(±20gf)
Seal temperature: 250℃ to 280℃
5x Key Switch Sensor Module KY-004 For Arduino
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● Shipping to US,AU,UK and CA takes about 7-15 working days for delivery normally.
shipping to other countries is about 7-25 working days. If remote
countries, like Peru, Chile,Brazil and so on, it takes about 25-45
working days for delivery normally.Economy shipping takes about 10
working days more than standard shipping.
is out of control. Sometime shipping may take longer time. Hope you can
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contact us. We can refund or resend first, don't worry. Don't leave a
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●We understand that not every purchase is a good one for every custome
Please note that we only accept returns within 30 days after delivery.
the item is defective/DOA (Dead on Arrival) we must be notified within 2
days of arrival, and a refund in full will be granted after item is
●Returns after 30 days will not be accepted.
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On Dec-06-17 at 17:09:14 PST, seller added the following information: