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Description:
1 working voltage: 3.3–5V
2 using 3144E switch type Holzer sensor.
3 when the sensor sensor to the magnetic field, the digital output low, the signal light is bright; if no induction to the magnetic field, then the digital output high level, the signal light is not bright.
4 with power indicator and signal indicator.
5 output mode: digital switching output (0 and 1) AO port is not valid
6 LM393 comparator output, model clean, good waveform, strong driving ability, more than 15mA.
7 Fixed bolt hole is provided, which is convenient for mounting and fixing.
8 can be used for motor speed, position detection, etc..
Sensor function introduction:
3144 Hall switch integrated circuit based on Hall effect principle, the use of manufacturing semiconductor integrated technology of magnetic sensing circuit, it is by voltage adjusting device, Hall voltage generator, differential amplifier, Schmitt trigger, temperature compensation circuit, and an open collector output stage is composed of a magnetic sensing detection circuit. The input for the magnetic induction intensity, the output is a digital voltage signal.
Package included:
5PCS 3.3–5V 3144E Hall Effect Sensor Switch Speed Counting Sensor Magnetic Detector
Payment Method
Shipping Policy
Returns & Refund Policy
Feedback
Payment Method
EBAY Managed Payment.
But we only
Accept
your
Ebay Address
, please Make sure it’s 100% right.
Payment must be received in 5 business days of auction closing.
Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
Shipping Policy
1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can’t take a refund.
Returns & Refund Policy
All package need to
wait 30 days
(US only n
eed 7-10 days)
,
Please take care it.Less than 30 days,we can’t take a refund
.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
Feedback
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.