Click to Enlarge Click to Enlarge ASP-EZone Store Home Best Sellers New Arrivals Wholesale Items Gift Section Contact us Store Categories Industrial Electronics Industrial Automation Robot Parts 3D Printer Series Power Modules LEDs DIY Kits Relay Modules Wireless Modules Sensors PCB Breadboards LCD Modules Voltage Ammeter Motors Series Development Boards Connector&Cable Capacitor&Resistor Equipment & Tools Modules Arduino Series Raspberry Pi Series Hot sale ATmega2560-16AU Board $16.99 LM317 DIY Kits $3.55 12V 2 Channel Wireless Remote Module $9.44 New Arrival 3D printer RepRap RAMPS1.4 LCD12864 $27.73 6 DOF Mechanical Arm $127.95 5cm High Power LED Heat Sink 20cm Dupont Wire Connector $2.42 Payment info Similar Products for Recommendation / click here! Product Name:DC 12V 4-Channel Voltage Comparator Professional LM393 Comparator Module SKU:5053 For more items, Please click here Items Description Features: The module name: 4 voltage comparison module Features: through the comparison of the two voltage to the control circuit on or off by Function description: 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. 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 Module size: 9.*65*20mm Wholesale to save you more money / click here! Hot Category in our shop! Discount up to 50%! Payment Shipping Feedback Returns About Us FAQ We accept PAYPAL payment ONLY. All the item(s) will shipped to your PAYPAL ADDRESS. Please update your Latest Detailed, Exact and Precise PAYPAL Address when purchase. (1) Items will be sent out in 1-2 working days when your payment is clear. (2) For US customers,We use E-Packet(China Post), delivered in 7-15 days. For Other countries, We use Singapore/Hongkong Post for Free shipping. Order ? $40, Free Registered Tracking is provided for you. Order ? $40, but need Tracking, you may pay extra cost for $3-$5. (3) Expetited Shipping Service(DHL,FEDEX,EMS) is also provided,Plz contact us for details. (4) About tax,We will do our best to help you to clear the goods,and the tax depends on each country custom. (5) As it is international shipping, Please be patient for your package. We offer Replacment or Refund if you cant get package. When you are satisfied with our service or product, Please leave us Positive Feedback & 5 Star DSR as the following image. Your satisfaction and support is extremely important to our work! If you experience any problem, please feel free to contact us in advance. We promise to try our best to safisfy you! Please view How to leave us the Positive feedback STEP BY STEP. (1)If for some reason you're not satisfied with our service or product quality, please contact us within 3 days after you get the package, you can return the products to us in original package and we will refund your money after we get the package!(Shipping cost is NOT refundable and you should responsible for the return shipping) (2)Although we test each item and they are packed professionally, few item(less than 0.1%) might be damaged during the shipping. You are welcome to contact us within 3 days after you receive your package about replacement. (3)Repair Some items might be broken caused by improper use, we are always happy to offer any helpful repair service. Of course, you can send the broken items back to us and we will help you resolve the situation and charge reasonable repair fees. ASP_EZone store is a leading company specializes in all kinds of Electronic products, such as LEDs ,electronic devices and components, development modules, development boards, consumptive materials and so on. As we are locating in Shenzhen, the world biggest electronic market, we almost can supply you all products you may need with best price! ASP_EZone store has gained thousands upon thousands of registered customers from all over the world. We offer world wide free shipping and have already shipped to more than 150 countries including United Sates, United Kingdom, Canada, Australia, France, Germany, Russia, Italy, New Zealand, Spain, Brazil, Japan, Singapore, Korean, etc. Here is a list of reasons for trusting ASP_EZone store as your reliable source of IC products or business cooperator: 1.Competitive Price 2.High Quality Products 3.Excellent R & D team 4.Excellent shopping platform 5.Excellent Customer Experience 6.Excellent Team Work In ASP_EZone store, we provide variety of IC products, sell them at the best price, and offer the best service.You will never regret to have ASP_EZone store as your reliable IC item source, supplier, and business cooperators. We can develop projects for the Electronic enthusiasts in this field for free. If you have any question, you can contact us (1)Why Buy From ASP_EZone? Selection:We've been specialized in electronics for years in the biggest Electronic Market In Shenzhen China. We are the One-Stop Supplier For all kinds of Electronic components. Price: We offer great deals on our products , we are always working hard to save you more money! Service: Our Sales and Service Squad wants to do anything we can to make shopping an easy and fun thing. Try to find something? We can help. Have any questions? We can help. You get the idea. We're always here to support you every step of the way. (2)What is the condition of the item? All our items are Brand NEW. All the items are tested carefully before shippping out. (3)Do you offer gift ? Yes,sure! You can choose one listing in our Gift Section if your purchase is over $25. Please make sure to leave us a note and tell us which item you want when place the order. (4)How much does it cost to ship to my country? For Free. We provide free shipping for almost all items,except for some items that are a little heavy. NOTE: US customers are required to add additional shipping fee because we ship to you via E-Packet. As long as your order is over $40, we can offer you the free tracking number,which is also our recommendation. (5)Do you combine shipping? Yes, sure! we will combine all your orders placed in the same time period(normally one day)in one package if there is no special instructions from you.Please make sure to leave us a note if you place multiples orders and the address is not the same. (6)How do I pay for my purchase? We accept PayPal payment ONLY. (7)Can I Cancel or Change My Order? If you need to cancel an order or make any changes to it, please call us AS SOON AS POSSIBLE by send us an ebay message. We can't cancel an order once it has been shipped out, so the sooner you contact the better our chance of catching the order in time. (8)What if my item arrives damaged or defective? Go to your ebay and contact us when you receive it. If your item arrived damaged or defective we will set up a replacement free of charge. On Apr-20-14 at 20:24:19 PDT, seller added the following information: On May-26-14 at 04:13:36 PDT, seller added the following information: inkfrog terapeak
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.