ASIC miner repair guide and tutorials

How long will it take to mine a Bitcoin in 2022? Have you ever wondered how long it takes to mine a bitcoin? Bitcoin is a virtual Internet currency that has become very popular recently. However, many friends also want to add a mining team and want to know how long it takes to mine a Bitcoin . Bitcoin does not have an issuer. Therefore, from a scientific level, everyone can produce their Bitcoin. Moreover, according to the design scheme of the cryptographic algorithm, Bitcoin can make it able to move and pay. However, the number of Bitcoin is relatively limited, and a new type of currency entered the market in 2008 to carry out commodity circulation. At this stage, the resources of the Bitcoin network are already impoverished, and ordinary users must invest a considerable amount of time in mining Bitcoin. The time required to mine a complete Bitcoin will vary, and the greater level lies in the work capacity of mining dedication. In general, the stronger the hashing power, the faster a

When is the best time to buy a miner? "Bull market speculation, bear market mining" summarizes market laws and a reasonable avoidance of risks. For investors, the core advantage of mining is that the coins they hold continue to increase. Even if the currency price is falling back, the total assets in the future will not shrink significantly, and even after the bear market, it is the joy of asset explosion. And compared to spot hoarding, investing in mining will not occur when the currency price pulls back due to panic cuts and stop losses, and when the currency price rebounds, it is difficult to get out of the game in advance. It is difficult to grasp all the benefits. Mining is a Long-term and stable income return! So how do ordinary people participate in mining? If you build it yourself, you need to pay attention to mining pool data, trading conditions, maintenance and inspection of mining farms, maintenance of miners , and cleaning. Mining requires thousands to tens of tho

How to clean Bitcoin miners? It is essential to clean the miner regularly. It increases your hash rate, increases efficiency, reduces heat and fire risk, helps protect chips and components, and extends your miner's life. The best way to clean your ASIC Bitcoin miner is to use a high-pressure air compressor with an air gun. It will blow the dust off the case, hash board, and fan blades. See the article How to clean and dust the Antminer . Generally, there is no need to dismantle the miner for basic monthly cleaning unless your mining environment is humid and the dust is difficult to remove with compressed air. In this case, you can remove the hash board and remove the fan, then use a dry anti-static brush  to brush the dust off the surface lightly. Some miners use a vacuum cleaner on their rigs, which is not recommended as it can suck up or loosen parts. Canned compressed air is also not recommended, as it contains water that could short out miners or damage components over time. It

Precautions for maintenance of BGA components BGA is a chip packaged by the BGA packaging process, mainly including PBGA, CBGA, CCGA, and TBGA. Generally, the bottom of the package is connected to the solder ball array as the I/O terminal. The typical pitches of these packages solder ball arrays are 1.0mm, 1.27mm, and 1.5mm. The common lead-tin components of the solder balls are mainly 63Sn/37Pb and 90Pb/10Sn. However, the diameter of the solder balls varies because there is currently no corresponding standard for this. From the perspective of BGA assembly technology, BGA has more superior characteristics than QFP devices, which is mainly reflected in the fact that BGA devices have less stringent requirements for placement accuracy. Therefore, theoretically, during the solder reflow process, even if the offset of the solder ball relative to the pad is as much as 50%, the device position will be automatically corrected due to the surface tension of the solder. This situation has been e

Several misunderstandings that novice mining needs to pay attention to The word Bitcoin is famous worldwide, and the reason is that from a few dollars since its inception to more than 20,000 dollars a piece, the rate of return of tens of millions of times kills any investment in the world. However, the temptation is great, and the risks are also significant. The risk comes not from Bitcoin and mining itself but the inventory of funds on the market and the flickering of unknown miners. Next, I will give you a detailed analysis of several significant misunderstandings and pitfalls of Bitcoin mining: Myth 1: Mining is obtained through electricity. Many people think that Bitcoin mining is the act of consuming electricity in exchange for Bitcoin. But mining is accounting and calculating mathematical problems, equivalent to each computer being a center. Each mining computer is a bank because countless people keep accounts, and there is no central bookkeeping method, so it is decentralizatio

Is it better to mine or coin speculate? Compared with speculating coins, mining has many advantages for investors who value long-term investment. First of all, in terms of cost, mining is a cheaper and more stable way to obtain bitcoins.  There are two ways to obtain bitcoins, buying from the secondary market and mining. Bitcoin purchased through the secondary market, often referred to as speculation, carries a premium on market sentiment. This premium may be a positive premium or a negative premium. The recent fall in the price of the currency is because of the negative premium of market sentiment. With data such as miner costs, electricity costs, other fixed operating expenses, and the hash rate of the entire network, the cost of mining bitcoins can be roughly calculated. In the industry's early days, many miners with faith accumulated a vast amount of wealth. With the rapid development of the industry, the difficulty of mining and the hash rate of the entire network has increase

What is pseudo soldering? What is his harm and what causes it? Among the failures of electronic products, the failure of pseudo soldering joints accounts for a large proportion. According to statistics, nearly half of the failures of electronic products are caused by poor welding, which almost exceeds the probability of failure of electronic components. As a result, the reliability of electronic products is reduced, ranging from increased noise and deterioration of technical indicators, and in severe cases, the circuit board cannot complete the design function, and more seriously, the entire system suddenly collapses without any precursor, resulting in significant economic losses and loss of reputation.  Reasons for pseudo soldering: The solderable surface and the solderable surface of electronic components are oxidized or contaminated; poor solder performance, poor flux performance, poor metal plating of substrate pads; improper setting of welding parameters (temperature, time). The e

What is the real impact of Bitcoin mining on the environment? As the difficulty of the Bitcoin network hash rate increases, the issue of mining's impact on the environment has become more prominent. Currently, the number of bitcoin transactions per day is as high as 150,000 to 400,000. As the difficulty of the Bitcoin network's hash rate increases, the issue of mining's environmental impact is also prominent. An introduction to the Bitcoin mining system The Bitcoin mining system refers to the use of computer hardware to carry out mathematical operations for the Bitcoin network. The miners who provide services in this process can get a reward. Since the number of issued tokens is calculated according to the tasks completed by the miners, the mining competition is fierce. Bitcoin mining started with low-cost hardware such as CPUs or GPUs, but as the difficulty of Bitcoin’s hash rate has increased, today’s Bitcoin mining activities mainly rely on ASIC miners. Unfortunately, th

What is the effect of solder balls on SMT patches? Solder balls are mainly caused by flying solder caused by rapid heating during the soldering process, and usually appear on the sides of chip components or between fine pitch pins. In addition to causing solder dislocation and edge collapse, solder balls are also related to solder paste viscosity, oxidation degree, solder particle thickness, and flux activity. Let's look at these factors' impact on SMT patches today! 1. Solder paste viscosity For solder paste  with a suitable viscosity effect, its adhesion will offset the effect of solvent emission during heating and prevent the solder paste from collapsing. 2. Degree of solder paste oxidation After the solder paste is exposed to air, oxidation may occur on the surface of the solder paste particles. The oxide of solder paste is generally controlled at about 0.03%, and the maximum value does not exceed 0.15%. Experiments have shown that the occurrence rate of solder balls is pro

Antminer L3+ Profitability The Antminer L3+ is a complement to Bitmain's flagship Antminer ASIC brand. It is produced by Bitmain, a giant in the mining industry. Launched in 2013, the Antminer brand has been one of the leading brands regarding technical specifications and quality of miners produced. Antminers account for more than 75% of the global mining industry. Due to the popularity of Litecoin, there is a demand for mining hardware that can mine the coin. Bitmain has been producing and shipping the Antminer L3 series since 2016. The L3 series includes L3+ (504Mh), L3++ (580Mh), L3++ (596Mh) and L3+ (600Mh), all of which use the BM1485 ASIC chip. The BM1485 was the first ASIC chip used to mine Litecoin. Every Litecoin miner has 288 of these chips in its framework. Litecoin miners are also known as Scrypt miners. L3 miners can mine any coin using the Scrypt algorithm. Features of Antminer L3+ The Antminer L3+ features a dual fan arrangement front, rear, left and right, with a s