pc controlled relay board

ANY Timer Rrelay
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Efficient pc controlled relay board for High-Risk Applications
Reliable pc controlled relay board Styles for Commercial and Industrial Applications
CHINA – ?¡ãAny Electronics?¡À proudly presents their entire range of pc controlled relay board . They offer a full set of pc controlled relay board merchandise and other interrelated merchandise. These units are observed in different applications including industrial applications, industrial control circuits and OEM Panels. These devices include exceptional precision and repeatability. The typical pc controlled relay board which can be made nowadays require quite small panel space.

8-channel pc controlled relay board with box 8-channel pc controlled relay board

BeesClover 2 PCS 5V 4-Channel Relay interface board + 12 pcs 1P dupont cable 200mm female to female , and each one needs 15-20mA Driver

  • 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equiped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED's for Relay output status
  • include: 2 pcs 5V 4-Channel Relay interface board , 12 pcs 1P dupont cable ( female to female )

5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

Instruction of wiring:
VCC: positive pole (+) of the system power supply
GND: negative pole (-) of the system power supply
IN1--IN4: Controlled Port of the relay

include: 2 pcs 5V 4-Channel Relay interface board , 12 pcs 1P dupont cable ( female to female )

Buy Now!
Price: $13.98


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Trekkie asked What are the most used electronic components?

I have recently been getting more and more into hobby electronics. I believe that I would one day like to make a career out of this. There is an electronics surplus store that I get components from but unfortunately it is a 2 hour drive away. At this place the components are very cheap, like pennies for 10, and there are just so many shelves full of trays with what looks like everything I could ever want. My questions is, what components are the most used? What should I stock up on? What ranges of Capacitors, Resistors, Diodes, and Inductors would I be using the most starting out in electronics? Are there any other components I should get while am at it? ICs, Transistors, Relays, Motors, etc? I want to get into Radio and Robotics once I get a grasp on the basics.

And got the following answer:

I’m not going to pretend to be some expert in all things electronic. I’m just a ME with strong interest in electronics and Control Systems. With this said up front I can tell you which components I’ve used the most of in my projects. Just about any robot has some kind of digital controller. Arduino is popular with hobbyists and students and is very accessible (easy to program). Since a digital controller is likely the center of anything controlled it’s a good starting point for a component list. OP-Amps: These will be used for isolation (voltage followers), amplification of signals, summing junctions, analogue PID, the list can go on and on. So, I’ve used a tone of op-amps. Usually any run-of-the-mill type was ok. LM741 is very common and would likely be OK for most of the tasks I’ve listed. If you get into RF or very small signal amplification or need a large power output then you would need to get a op-amp that’s designed for the task. Resistors: I have used more 1k, 5k and 10k, than any other type. I think it would be a good idea to get a kit. Then you can replace them as you use them and will get an idea what you need the most of for your projects. I say this because I did not have to use a 5k and 10k for some amplification circuit, its the ratios that mattered, I could have done the same job with a 500 and 1k (for example). Maybe somebody else will shed more light on this one. The 5k and 10k potentiometer has also found extensive use in my projects. Diodes: High-speed signal diodes: I use a bunch of these. They are good for buck/boost converters, voltage clampers, fly-back diodes for small DC motors and relays. Schottky diode: Good for voltage reference. Not used nearly as much as the signal diodes, but when you need one and don’t have one it sucks! They come in different voltage ratings and I’m not sure which is the most popular. Rectifiers: Any time you build a power supply you’ll need one of these. I like the monolithic bridge rectifiers over 4 individual ones. Choose rating to match need. Capacitors: This one really depends on your project. Signal filtering (high pass, low pass, band pass, notch, etc.) depend on the combination of capacitor and resistor for the target frequency. RF projects will use very small caps, where a filter for 1hz would use big one. For sure though, if you are making a power supply you will need something around 500-2500uF tank capacitor. So, it’s always good to have a few big electrolytics lying around. A grab bag of random ones should be good for your component box. Inductors: OK, I found getting an assortment of toroids to be the most useful. It’s a bit of a pain to wind your own, but it’s fun too. Used these in a boost converter. Also good for filters. Motors: Stepper motors are the most popular for robotics since you can precisely move it by sending the motor a pulse train. DC motors are good too. You will choose a motor to suit your needs, so I am not recommending anything today. Relays: Same as the motors, project specific. My last project used high-speed pneumatic solenoid valves. Solenoids and relays have at least one thing in common. Induction kicks. So, you use up diodes with these. MOSFET/ Transistors Used extensively to power relays, solenoids, stepper motors, DC Motors, etc.. Next to the op-amp, the MOSFET and Transistor is one of the most used items I have dealt with. I tend to prefer MOSFET over transistor for switching. Still, get a handful of PNP and NPN transistors; they are very very usefully even if I don’t used them when I could (or perhaps should). So, that’s about it for the most common components I’ve used. My favorite online vendors are; http://www.digikey.com/ http://www.jameco.com/webapp/wcs/stores/servlet/StoreCatalogDisplay?storeId=10001&catalogId=10001&langId=-1 http://www.automationdirect.com/adc/Home/Home One last thought.. When it comes to fabricating PC boards, you will need wire gauge drill bits. They break very easily so stock up on them. Also, drawing the traces by hand can be a bear. If you have the money invest in a UV litho setup. If not, don’t waste money on overpriced etch resist pens. A paint pen from a craft store will work better and cost less. Books I've use often: http://www.amazon.com/Art-Electronics-Paul-Horowitz/dp/0521370957 http://www.amazon.com/Feedback-Control-Dynamic-Systems-Edition/dp/0136019692/ref=pd_sim_b_24 http://www.amazon.com/Control-Systems-Engineering-Norman-Nise/dp/0470547561/ref=sr_1_8?s=books&ie=UTF8&qid=1366987405&sr=1-8&keywords=modern+control+systems

The pc controlled relay board work particularly properly with distinctive applications which are specific to power distribution and protection. The relays include wide adjustment ranges using a scale that’s easy to study either in three or four digits in line with the model. These pc controlled relay board assist in rising the flexibility of the applications, lower the overall power and maintenance costs. There are relays which are made use of for common purposes which are available in reputable designs with speedy replacement options. And there are models which can be used for industrial applications and heavier duty applications that work on significant loads. These goods are created to meet the lifetime industrial control wants of your applications.
Their most current products will be the Time counter, Timer Delay, pc controlled relay board, Speedy Connect Couplings, Electronic Motor Couplings, Aluminum Couplings, Morse Couplings and various other people. The web-site delivers a detailed description of every model in numerous categories of pc controlled relay board couplings and sensors. These products are exceptionally useful for high-risk applications. The pc controlled relay board are also available with attributes like numerous timing ranges and functions. The corporation is currently on the lookout for agents and dealers who can promote and sell their factory produced solutions. They may be normally on a lookout for developing new and more reputable products according to the requires and needs of your market.

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