Is an 120V LED Light Bulb Compatible with a 220V Mains? [closed]

Unfortunately, as far as I can see in the linked pages, Cree does not specify the allowed input voltages. Unless you can find markings on the light or its packaging indicating that it will function on 240V as well as 120V, I have to assume that it was designed for 120V only. In that case, plugging it directly into European mains voltage may well destroy the electronics in the bulb and possibly even cause a fire. The only known safe way to use this in Europe would be with a step-down transformer

1. where can I buy led light bulbs for a truck?

Put the info in your search on the net. You will probably get loads of sources

2. i have alot of led light in yard but have themon one power switch i need 1 large photo cell 12 volts?

Your question is very difficult to read, but I gather you want a photo cell to control some lights? Use the photocell to drive a relay that drives the lights. .

3. Is it illegal to put led light strips inside cars?

I would put in a toggle switch and an in-line fuse holder. LED's do not draw much current; you could probably put the whole shebang on a 3 amp fuse. No, they are not illegal

4. What Color of Blinking LED Light should i use for a fake Car Alarm?

The typical car alarm light is red. Make sure it is in a noticeable place and bright enough to make any burglar think twice before he messes with your car. Another thing though is to hide anything of value under the seats or under blankets. Store your car in your garage if possible and dont make the car a tempting target overall.

5. Mens LED / Light Up Shoes?

I know! They are called Jezign but there are limited places you can get them from - they sell some on the main Jezign website, or at, but they do not ship internationally, or there's always Ebay. Hope this helps!

6. Could I power an LED light off a headphone jack?

If you can pull 15-20 ma, you can light an led. You may have to up the volume a bit, but I bet you could! And you would not have to use a limiting resistor. Very interesting...

7. Is replacing the LED light from the xbox controller hard?

shouldent be to hard just youtube it

8. where is the best place to buy amber led light bars?

can you tell me the exact place you want to put on ur truck? As I know people usually use led strips to decorate their truck, not the rigid bar

9. Household LED light bulbs - a consumer ripoff?

It could be a defective unit have you checked the actual current useage. If you do not have an ammeter--use a 1 ohm 10W resistor it can handle up to 3 amps.( or 360Watts) E = IxR If R = 1 the E = I volts = amps.

10. WiFi LED light Always ON never off

)Then restart. Click on the wireless icon in the top right corner of the screen and logon to your wireless network.Some drivers written for Windows can also actually work for Linux since we are talking hardware and not software. Depends on the hardware though ;)

11. how could i hook up a LED light bulb (small) into a remote control car?

All gentle beer, Zima, wine coolers, and those malt liquor drinks like Mike's troublesome Lemonade are sissy drinks. Mike's is okay in case you combine it with a shot of vodka. you need to dirnk a British Ale, a German lager, or a micro brew. P. S. never placed fruit in a lager.

12. Will my smartphone's camera LED light get dimmer over time? Just like ordinary light bulbs?

I also have a "Darkbulb" in my head, regardless of the undeniable fact that it is surrounded by potential of rice pudding, so it does not paintings ok. i think of i want somebody to suck each and all of the Rice pudding out, with a straw, (it is Ambrosia Rice) and screw a clean bulb in. Any takers?

13. Auto Light control kit for LED light bulb?

Do a Google search for Dusk to Dawn light controllers

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How Does Traditional Market Research Integrate Blockchain
Insights network launched the install blockchain, which is one of the most unique blockchain technology use cases seen in the world. In this article, we will discuss how our blockchain Market Research Network works from a technical perspective, and how this technology can improve data quality, reduce costs, reduce fraud, and empower data creators.Next, we will focus on some of the most common problems in the traditional market research industry. Since the birth of the Internet, there has been no innovative standard practice in the traditional market research industry.Problem: low quality users. Unconfirmed false data. The traditional panel only allows users to register and select demographic information. We call it personal data value (age, gender, income level, number of children, pet owner, etc.). IP address detection is the basis for deciding whether to allow consumers to participate in the survey. In some cases, a method called "river sampling" is used to conduct real-time surveys of respondents. In this method, anyone who visits the survey link will begin to be screened for demographic questions and enter the relevant surveys (if available). This will lead to a poor user experience, which we will discuss in another article on this blog.Solution: verify the blockchain account. The submitted value is assigned to the install blockchain account as a hash value after verification. The insights network blockchain authentication account is assigned a hash value, allowing the account to participate in the smart contract. The identity is verified by a third-party authentication partner, and the value of the profile is submitted as an unexplained hash value, so it is impossible to know what value is assigned to each user. We use our patent application zero knowledge proof authentication scheme as a filter to ensure that authentication partners cannot track the documents they are validating. The technology we are applying for patent will be published and disclosed in detail before the end of 2019. Next, you will see the account verification record that occurs in real time and recorded on the blockchain. In this example, the account "fbtiezh3sty4" has received the authentication credentials assigned to its account and submitted to the install blockchain as "commit".Install blockchain record of the validated profile value submitted to the blockchain accountProblem: poor user experience. When conducting the survey on the traditional market research platform, a method called "river sampling" is adopted to conduct real-time survey on the respondents. In this method, anyone who visits the link will begin to be screened for demographic questions and guided to the relevant survey (if any). This leads to a bad user experience, and users constantly jump out of the survey in the process of accepting the survey. This is a waste of investigators' time and creates great frustration among the team members, resulting in a low retention rate of the team. For example, a requester can set a condition that only men aged 30-40 who drive a white car, own a dog and have mortgage debt are eligible to participate in the survey. Instead of predetermining these values before service users, they ask them when investigators conduct surveys. Some surveys may take 45 minutes to complete. Imagine that you spent 25 minutes completing a survey, but when they asked you if you had a pet and you said no, you were rejected. What would you think. This happened to most respondents.Solution: determine the "match" in advance before providing users with investigation opportunities. Through the smart contract on the install blockchain, you can find the value of the blockchain account submitted to each user and the local storage of the encryption profile value on the user's device. Every time a survey opportunity is created and funded, it enters the insights network data exchange smart contract. The contract then polls each device connected to the network for a device that matches the requested survey. The same selection criteria as traditional market research products can be set by the requester, but it does not allow anyone on the local IP address to access the survey - just to pop up unqualified participants afterwards - the smart contract searches for active devices on the network and only shows the survey opportunities to providers who meet the exact criteria specified by the requester. We use the so-called disconnection circuit to calculate the encryption profile value of each user to determine the "match". During the matching process, encrypted data polled for eligible demographic data will never be decrypted - giving users complete control over the visibility of their data. Here is how to record a match on the blockchain:Complete the "matched" install blockchain recordOnce a match is determined, the provider can see an investigation opportunity. Users can view the compensation provided for completing the survey, the personal data requested and the submitted data, and agree when exchanging personal data and responding to the survey. The submitted answer cannot be represented by a hash value.Install blockchain record for data exchangeQuestion: can you really believe these data? Most panel companies that complete the brand survey sample provide data sets to brands in an opaque situation. Previously, the industry has been plagued by the sharing of personally identifiable information (also known as "PII"). However, with the introduction of the general data protection regulation (gdpr) by the European Union (EU), this system has undergone major adjustments. It is illegal to collect consumers' personal identity information and sell it to a third party without consumers' consent. If the PII of consumers cannot be shared, it is more difficult to provide accurate information about the surveyed users. Nevertheless, most online panel companies have completely unauthenticated user databases, and trust in people is the only determinant of data quality.Solution: the blockchain can verify the transaction ID. When running an example on the insights network, the blockchain transaction ID is associated with each respondent. This creates audit trails that are not available in the current market research industry. There is now a clear record of team members' submissions and the relevant summary values of each team member. In addition to transparency, these transaction IDS can also be used as your consent records, that is, the consumers you investigate and exchange data agree to the data exchange you pay for them. Some gdpr laws require applicants to keep records of subjects' consent. Using the insights network, this feature is built-in to the end-to-end experience.The following is a screenshot of the data export of a survey recently launched by insight networ. As the requester, this is the data you paid and the data you received. As an additional feature, insights network uses one-time pad encryption for all data you purchase. This means that insights network cannot pry into the data set you pay as a requester. After you export the data, this is the only time you can export the data.Results of a survey sponsored by insights network on the popular cryptocurrency chainlinkProblem: slow invoicing and long revenue turnover time. At present, the invoicing time of the market research industry needs at least 60-90 days, and a brand can pay the expenses of researchers. This means that team members also have to wait for their bonus. The core reason is the lack of high-quality data and deceptive survey responses that need to be evaluated and filtered from the final data set. This may take several weeks for the brand to comb through the data and determine which data sets are available and which are false. This is a particularly painful experience for group companies because they are waiting for feedback from the brand. Basically, the brand tells them how much they will get from the data set provided by group members.Solution: early data verification and smart contract payment data exchange. As mentioned in this article, the verification of profile values, matching on blockchain and smart contract governance create a more efficient and high-quality end-to-end experience. The last thing to record is the payment scheme. Because surveys can be provided to pre-determined, pre validated audiences, payments occur immediately and are subject to smart contracts. Install cryptocurrency provides funds for the smart contract according to the budget determined by the requester, and pays the provider with blockchain transaction immediately after the provider submits and agrees to the data exchange. The following is the transaction ID of the data exchange smart contract paid to the provider who completed and agreed to exchange in the network.Blockchain transaction ID of payment data exchangeCryptocurrency payments on the blockchain and install blockchain are borderless and can be sent to anyone around the world within 1 second. It also opens up access to emerging markets that were previously inaccessible due to the collapse of their banking systems.Development prospectAt present, we are running the survey sample on the install blockchain network as the first use case of insights network. This technology has unlimited scalability, can safely verify data, and communicate privately on the network in a transparent record, such as sending bitcoin payment to friends. Some future use cases we are dealing with include releasing previously unavailable data exchange / sharing opportunities, such as nuclear power plant data exchange, PII involving Enterprise Market Research (Q4) using secret state data prediction, and simpler use cases, such as receipt data exchange and micro customer experience survey. The most beautiful aspect of blockchain technology is the global cooperation opportunities it provides.Source: blocknet
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