digital relay switch

ANY Timer Rrelay
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Successful digital relay switch for High-Risk Applications
Reliable digital relay switch Designs for Industrial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their complete variety of digital relay switch . They provide a full set of digital relay switch merchandise along with other interrelated products. These units are seen in diverse applications including industrial applications, industrial handle circuits and OEM Panels. These devices come with superb precision and repeatability. The typical digital relay switch that happen to be developed these days require incredibly little panel space.
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Amico DC 12V Digital LCD Power Programmable Timer Time Switch Relay 16A Amps

  • Product Name : Programmable Timer;Model No. : CN101A;Rated Control Voltage : DC 12V;Contact Capacity : 16A(8)A, 250V AC
  • Hysteresis : less than or equal to 2 sec/day(25 C);ON/OFF Operation : 17 ON/OFF;Power Consumption : 7.5VA(max.);Display : LCD
  • Minimum Interval : 1 minute;Switching Contact : 1 changeover switch;Ambient Temperature : -10~+40°C
  • Ambient Humidity : 35-85%RH;Mounting Hole Diameter : 3mm / 0.12";Overall Size(Approx.) : 62 x 60 x 33mm / 2.4" x 2.36" x 1.3"(L*W*H)
  • Material : Plastic, Electronic Parts;Net Weight : 68g;Package Content : 1 x Programmable Timer,1 x Manual

  • Features: Panel mounted, advanced pre-setting one week before, digital electronic timer switch with daily programs, repeat programs with 17 on/off setting and manual over-ride, auto timer error correction ± 30 sec, weekly. The program timer can automatically switch on and switch off various kinds of electric equipment according to fixed time. Used widely to control the lamp, water heater, sprayer, bottler, preheater, agriculture facilities, broadcasting equipment, home appliance, etc.

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Price: $3.59


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Sam M asked How to remotely read a switch?

I have a project I am working on with the arduino and it is necessary to have a remote sensor to measure whether a switch is connected. What I am looking for is a transmitter/receiver that is only one channel and only transmits on/off (whether or not the switch is closed). Is there any such circuit that can be built? I know I could accomplish this with a separate arduino with an Xbee transmitter but i think that is overkill.

And got the following answer:

Here is the concept. Connect a switch as follows: From Arduino +5V, through a "pull-up" resistor of value 1K to 10K, to the digital input of the Arduino. From digital input through a long wire to the switch, through switch back through a second long wire to the Arduino ground/0V common.. The switch can be located several meters from the Arduino, especially if the wires are twisted together. In some situations the switch could be much further away. This will make the digital input +5V when the switch is open, and 0V when the switch is closed. Use a program to read the digital input, determining whether the input is high or low (see second link below). In the example the program operates an LED when the switch operates, but you can adapt that do do whatever it is you want. The example is a fragment from a program. Some problems are that there will be contact bounce at the switch or electrical interference can be picked up on the wire. Usually contact bounce can be solved by re-reading the switch after a delay of say 20ms to determine if the contact is the same after it has stopped bouncing (as in the example). Both these situations can be helped by placing a small capacitor (10nF) across the digital input. It is not totally clear what you want in the question. If you want some sort of wireless connection the types that can be used without a licence are generally of a range like 10m. These are like the garage door opener types, and you need a transmitter and a receiver. Consider wireless alarms, doorbells etc as a source of these. The switch contact is connected to the tranmitter device, and this is repeated at the output of the receiver, often as a relay contact, sometimes as a high/low connection. These connect to the Arduino in the same way as described. I assume the Arduino is part of the exercise, but of course it isn't needed to transmit the information, it is just reading the result, and taking whatever action you program into it. Trivial tasks like lighting an LED do not need the Arduino at all, but it is a good learning step to bigger things..


The digital relay switch work very nicely with unique applications that happen to be particular to energy distribution and protection. The relays come with wide adjustment ranges using a scale that is simple to read either in 3 or 4 digits as outlined by the model. These digital relay switch assist in rising the flexibility of your applications, lessen the all round power and upkeep costs. You will find relays that are applied for basic purposes which are available in reliable designs with speedy replacement options. And you will discover models that happen to be employed for industrial applications and heavier duty applications that operate on substantial loads. These merchandise are produced to meet the lifetime industrial control demands in the applications.
Their newest solutions are the Time counter, Timer Delay, digital relay switch, Quick Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and a variety of other folks. The web site delivers a detailed description of every single model in numerous categories of digital relay switch couplings and sensors. These items are incredibly beneficial for high-risk applications. The digital relay switch are also out there with options like a number of timing ranges and functions. The enterprise is currently looking for agents and dealers who can promote and sell their factory created products. They may be generally on a lookout for developing new and much more trusted solutions depending on the wants and specifications from the industry.

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