Dc 12v 4-channel Voltage Comparator Perfect Lm393 Comparator Module

US $480

LongGang District, Shenzhen City, China
Jun 9th

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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 Wholesale to save you more money! 10pcs Perfect 5V Relay SIP-1A05 Reed Switch Relay for PAN CHANG Relay 4PIN 4PCS 1/8"Plastic Electric Air Gas Water Solenoid Valve Normally Closed 12V DC 5pcs NE555 Square Wave Duty Cycle and Frequency Adjustable Module 5PCS NEW 3W White COB High Power LED Stripe LED Light Emitting Diode 10pcs 4010S 40mm x40mm x10mm Brushless DC Cooling Fan Perfect 10pcs MAX7219 Dot Matrix Module Control Display Module Cascade DIY kit Perfect 4pcs Liquid Level Controller Sensor Module Water Level Detection Sensor Perfect 2PCS NEW 30W 5730 Pure White LED Light Emitting Diode SMD 220V 85mm Perfect HOT Category On sale _Wholesale_ __Combination__ ___Sensors_ _ICs & Processors_ _Arduino_ Cables & Connectors_ LCD Modules_ Power Modules _Switches_ _ Electrical Connectors_ Valves__ __ Car Fuse__ Wireless Modules Wireless Bluetooth Relay Modules Breadboards _PCB Boards____ __LED____ ____DIYs___ ___ Resistors _ SHIPPING PAYMENT RETURNS FEEDBACK ABOUT US Address: Please make sure your Paypal address is updated and accurate. All of your order(s) will be delivered to it. Ship to: We ship worldwide (except few countries). For USA buyer, we will send by ePacket delivery. For other customers, we will send your item by HongKong Airmail or Singapore Airmail without a tracking number. Estimated Delivery Time (Depends on holidays and Flight) : A) United States Canada Australia United Kingdom New Zealand: 2-3 weeks B) Israel Thailand Malaysia Singapore Sri Lanka Indonesia India Maldives Greece Armenia Azerbaijan Republic Kazakhstan Saudi Arabia United Arab Emirates: 2-4 weeks C) Italy Spain Turkey South Africa Fiji Puerto Rico: 4-5 weeks. D) France Belarus Estonia Switzerland Germany Sweden Denmark Hungary Romania Croatia Bulgaria Latvia Cyprus Czech Mexico Austria Bosnia and Herzegovina Slovakia Lithuania Ukraine Egypt Poland Netherlands Malta Belgium Portugal Norway Finland Ireland : 2-4 weeks E) Russia Brazil Argentina Chile Mauritius All of the South American countries: 5-8 weeks F) Other countries: not more than 30 business days Handling Time: 1-2 working days after payment is completed. Tracking Number: 1. Order exceeds $50 will be shipped with a tracking number. 2. For order under $50, and you still need a tracking number, please contact us. Parcel Lost: Less than 0.5 percent parcels may be lost in shipment. But don't worry, we'll take good care of it. We Only Accept Paypal on Ebay. For specific requirements, please feel free to contact us. If you are facing with troubles below, please contact us as soon as you can Defective or Wrong: full refund or send you a new replacement Missing: new package arranged, or partial refund Dislike: full refund after we received your item (buyer undertakes return shipping fee) Consumers' satisfaction is our first priority and pursuit . We promise to solve your problem in a good way . We consider neutral and negative feedbacks as a SHAME. So please never give us a neutral or negative feedback before communicating with us . Our working time is 08:30-17:30 from Monday to Friday in Beijing Time. Because of the time difference, we may not reply your email immediately. All emails will be replied in 24 hours, please understand that. We devote to making the best service for you. We look forward to serving you. Any questions, please contact us via our ebay email. 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Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	Unbranded
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