-40%

1/2/4 Channel DC 5V 12V 24V Voltage Comparator LM393 Comparator Module

$ 2.36

Availability: 148 in stock
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • Return shipping will be paid by: Seller
  • Restocking Fee: No
  • Condition: New
  • Model: Does not apply
  • EAN: Does Not Apply
  • Country/Region of Manufacture: China
  • MPN: Does not apply
  • Item must be returned within: 60 Days
  • UPC: Does Not Apply
  • Brand: Does not apply

    Description

    1/2/4 Channel DC 5V 12V 24V Voltage Comparator LM393 Comparator Module
    Description:
    The module name: 1/2/4 Channel comparison module
    Features: through the comparison of the two voltage to the control circuit on or off by
    Function description:
    1.Function: the setting voltage reference input of a voltage and on the module (reference voltage can be
    set through the adjustable resistor) comparison, when the input voltage is greater than the reference
    voltage, the relay is closed (10-9 closed, 10-11 disconnected), when the input voltage is less than the
    reference voltage, the relay does not operate.
    2.Function two: two to compare respectively input voltage signals A and B, when the voltage signal is S
    less than the voltage signal B, the relay is closed (10-9 closed, 10-11 disconnected), when the voltage
    signal A is less than B voltage signal, the relay does not work.
    Three features: the setting voltage reference input of a voltage and on the module (reference voltage can
    be set through the adjustable resistor) comparison, when the input voltage is less than the reference
    voltage, the relay is closed (10-9 ratio, 11-10 disconnected), when the input voltage is greater than the
    reference voltage, the relay does not operate.
    The reference voltage: This version upgrades for the enhanced version 4 voltage comparator module,
    add the reference voltage stabilizing circuit, a reference voltage is not receiving module power supply
    voltage change, adjustable reference voltage range can reach 0-31V.
    Module purpose: the automobile circuit hardware, industrial equipment, laboratory testing, application
    Testing circuit
    Working voltage: DC DC5V, 12V, 24V
    Working current: DC5V:350ma, DC12V:200ma, DC24V:150ma
    Package Included:
    1PC*Module(Depends on your choice!)
    Shipping
    Feedback
    Contact us
    Return Policy
    Shipping
    Domestic
    We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.
    International
    Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.
    Combined Postage (for items with shipping charges):
    We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.
    Feedback
    * When you satisfied with our product and services please leave us positive feedback.
    * If you have got the package, please confirm "
    Delivery on time
    " For us.
    * If a problem occurs, contact us immediately with any email request.
    * Just contact us using the "
    Ask the seller a question
    " link on eBay.
    Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.
    Contact us
    For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the "
    Ask the seller a question
    " link on eBay.
    We expect positive feedback and 5 scores DSR  from you.
    Return Policy
    We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
    If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
    Please include your eBay ID and item number with any email requests.