What nm chips are usually required in domestic appliances like refrigerators, TV and washing machine etc

The semiconductor chips used in domestic appliances like refrigerators, TVs, washing machines, and other household appliances tend to be larger and less complex than the chips used in high-end computing and mobile devices.

• Typically, these types of appliances use chips that are manufactured using older process technologies, such as 90nm, 65nm, or 45nm. These larger process technologies allow for the production of simpler and less power-hungry chips, which are sufficient for the relatively low computational demands of these appliances.

• For example, a modern refrigerator might use a chip manufactured using a 90nm or 65nm process technology, which would be capable of running the basic control functions and sensors required for the fridge's operation.

• Similarly, a TV or washing machine might use chips manufactured using a 45nm process technology or older, which would be capable of running the device's basic functions, such as power management, audio and video processing, and other control functions.

• Refrigerators: 90nm or 65nm

• TVs: 45nm or 65nm

• Washing machines: 45nm or 65nm

• Smartphones: 5nm to 14nm

• Laptops: 5nm to 14nm

• Gaming consoles: 7nm to 14nm

• Wi-Fi routers: 40nm to 90nm

• Digital cameras: 65nm to 90nm

• Home theater systems: 45nm to 65nm

• Fitness trackers: 28nm to 40nm

• Dishwashers: 45nm to 65nm

• Speakers: 65nm to 90nm

• Earphones: 40nm to 65nm

• Cars and vehicles: 28nm to 40nm (for automotive chips)

• Trucks: 28nm to 40nm (for automotive chips)

• Electric pumps: 65nm to 90nm

• Motors: 65nm to 90nm

• Generators: 45nm to 65nm

• Tablets: 5nm to 10nm

• Kindle book readers: 40nm to 90nm

• Digital clocks: 65nm to 90nm

• Smart watches: 28nm to 40nm

• Keyboards: 65nm to 90nm

• Mouse: 65nm to 90nm

• Monitors: 28nm to 40nm

• Processors: 5nm to 14nm

• Graphic cards: 7nm to 16nm

• Digital display boards: 28nm to 40nm

• Microphones: 65nm to 90nm

• CCTV cameras: 28nm to 40nm

• Web cameras: 28nm to 40nm

• LED tube lights: 65nm to 90nm

• LED bulbs: 65nm to 90nm

• Smart bulbs: 40nm to 65nm

HOW MUCH WATER IS USED IN MANUFACTURING A CHIP?

The amount of water used in manufacturing a chip can vary depending on several factors, including the size of the chip, the production process, and the location of the manufacturing facility.

• However, chip manufacturing is a highly water-intensive process, and it can take thousands of gallons of water to produce a single chip. Estimates suggest that producing a single 8-inch semiconductor wafer can require up to 2,000 gallons of ultra-pure water.

• The water used in chip manufacturing is primarily used for cooling and cleaning purposes, and it must be of the highest purity to avoid contaminating the chips. Water is used to clean the wafers and equipment, remove debris and contaminants, and cool the equipment during manufacturing.

• To conserve water, semiconductor manufacturers typically use advanced water recycling and treatment systems that capture and treat wastewater for reuse in the manufacturing process.

• In some cases, manufacturers may also use alternative cooling technologies that require less water, such as air-cooled systems or closed-loop cooling systems.

• Overall, while the amount of water used in chip manufacturing can vary, it is a significant consideration for manufacturers who must balance the need for water with the need for high-quality chip production.

COUNTRIES INVOLVED FOR VARIOUS PROCESSES IN CHIP MANUFACTURING

The manufacturing of computer chips involves a complex global supply chain that spans multiple countries. Here are some of the countries that are involved in various processes in chip manufacturing:

• Raw Material Procurement: The raw materials used in chip manufacturing, such as silicon wafers, chemicals, and gases, are sourced from various countries, including the United States, Japan, Taiwan, and South Korea.

• Fabrication: The fabrication process involves several complex processes, including photolithography, etching, deposition, and doping, among others. These processes typically take place in facilities known as "fabs," which are located in countries such as the United States, Taiwan, South Korea, Japan, and China.

• Testing: The testing of chips is a critical process to ensure that they meet the required specifications. Testing facilities are located in several countries, including the United States, Taiwan, South Korea, Japan, and China.

• Packaging: The packaging of chips typically takes place in facilities located in countries such as Taiwan, China, and the United States.

• Distribution: The final stage of the supply chain involves the distribution of chips to end-users, which can include original equipment manufacturers (OEMs), distributors, and retailers. Distribution centers are located in various countries worldwide, including the United States, China, Taiwan, South Korea, Japan, and Europe.

Overall, chip manufacturing is a highly globalized industry that relies on the efficient coordination of multiple countries and regions throughout the supply chain.

SUPPLY CHAIN IN CHIP MANUFACTURING

Supply chain in chip manufacturing involves the coordination of various processes and activities involved in the production of semiconductors. A semiconductor is a material that can conduct electricity in certain conditions and is used in the manufacturing of computer chips, electronic devices, and other products.

• The supply chain in chip manufacturing involves several stages, including raw material procurement, fabrication, testing, packaging, and distribution.

• The first stage involves the procurement of raw materials, which includes silicon wafers, chemicals, and gases. These materials are sourced from various suppliers worldwide, and their quality must meet specific standards to ensure high-quality chip production.

• Once the raw materials are sourced, the fabrication process begins. This involves the use of cleanroom facilities, where the silicon wafers undergo a series of complex processes to create the individual transistors that make up the chips. These processes include photolithography, etching, deposition, and doping, among others.

• After fabrication, the chips undergo testing to ensure they meet the required specifications. This involves a series of tests that check the electrical performance, functionality, and reliability of the chips. Defective chips are identified and removed from the supply chain.

• The next stage involves the packaging of the chips, which involves placing them into a protective casing or chip carrier. The packaged chips are then tested again to ensure they are fully functional and meet the required specifications.

• Finally, the chips are distributed to the end-users, which may be original equipment manufacturers (OEMs), distributors, or retailers. The supply chain must be carefully managed to ensure that the right quantity of chips is delivered to the right location at the right time.

• In summary, supply chain management in chip manufacturing involves the coordination of various processes and activities involved in the production of semiconductors, from the procurement of raw materials to the distribution of finished products. Effective supply chain management is critical to ensure high-quality chip production, timely delivery, and customer satisfaction.

My Phd Theses Titled "Blockchain enabled cyber physical Systems on distributed storage"

Shodhganga  is a reservoir and a digital repository of theses and dissertations submitted to universities in India for award of PhDs

https://shodhganga.inflibnet.ac.in:8443/jspui/handle/10603/451919 my theses on Shodganga available online now...if anyone interested to see and comment or discuss

50 plus IPFS CLI Commands Hands ON Practice (IPFS-3)

Play video from an IPFS hash (IPFS-4)

InterPlanetary File System@IPFS Installation & Initialization(IPFS-2)

InterPlanetary File System@IPFS : An approximate understanding (IPFS-1)

Full Arch Linux Installation STEP by STEP In a Virtual Machine : Complete walk through

Sharing PDF document among multichain blockchain nodes with exclusive permissions

MULTICHAIN : Sharing encrypted data among nodes with Stream Confidentiality

Multichain : Appending Data to Blockchain with BINARYCACHE

 

Multichain : Appending Data to Blockchain with DATA STREAMS

 

MultiChain streams enable a blockchain to be used as a general purpose append-only database, with the blockchain providing time stamping, notarization and immutability. This video continues from the earlier video post in playlist and now focuses on populating data in the "nutsbolts" blockchain created earlier. 

 

Erstwhile seen node "A" creates a data stream data1, populates some sample data, which is immediately visible in the other node "B". Node A further grants exclusive permissions to Node "B" for send and writing to data stream data1. The complete demonstration is shown on two separate Linux machines as introduced in M-1 and M-2 videos in Multichain playlist i.e. Node A and Node B. data stream created name: "data1" 

 

 Commands used

 

create stream data1 '{"restrict":"write"}' 

 

listpermissions data1.* publish data1 key1 '{"json":{"name":"kabali","city":"chennai"}}' 

 

liststreams 

 

subscribe data1 

 

liststreamitems data1 

 

grant 1...send 

 

grant 1...data1.write 

 

publish data1 key2 '{"json":{"name":"baasha","city":"mumbai"}}' 

 

subscribe data1 

 

liststreamitems data1 

 

liststreamkeys data1 

 

liststreamkeyitems data1 key1 

 

liststreampublishers data1 

 

liststreampublisheritems data1 1...

Multichain : How to Connect-Receive-Send to a Blockchain node?

Continuing from the first video that was peculiar to basic instruction and installation of Multichain blockchain platform on Node A, this video moves further by connecting another node B. Node B is a independent node on the network in which the Multichain blockchain application is already installed exactly with the steps seen in the first video of Multichain playlist . The set of commands used in this videos are available as below:

Node A 

First command onwards 

multichain-util create nutsbolts 

multichaind nutsbolts -daemon 

 

 Node B multichaind nutsbolts@192.168.10.19:4265 (IP is as I have configured and you are free to choose ur configuration as u wish) and you will get a unique address starting with 1...... 

 

Node A multichain-cli nutsbolts grant 1... connect send receive (Here with you grant exclusive permission to Node B from Node A Node B 

 

multichaind nutsbolts -daemon (Now the blockchain network will be seen connected to) 

 

To get into interactive shell mode simply type this command at both the node terminals 

 

multichain-cli nutsbolts 

and then on either terminal use the following commands to get useful info of the created blockchain and network peers 

 

getinfo : See a list of all available commands: 

help : Show all permissions currently assigned: 

listpermissions : List the addresses in the wallet: 

listaddresses : For each node, get a list of connected peers: 

getpeerinfo: Get peer info of connected nodes

 

 

Multichain Blockchain Platform: Brief Introduction & Installation

This video gives a minimal few minutes introduction to the Multichain blockchain platform followed by quick installation on an Ubuntu 20.04 OS terminal. This is one of the easiest platforms to play with and understand in much better way the mechanics of blockchain. Primarily CLI based, this video installs the multichain with few commands.

 

Why 0.1 + 0.2 = 0.30000000000000004 ?

Have you ever tried simple calculations in usual programming languages like python, ruby, rust or Java etc 

0.1 + 0.2 = 0.30000000000000004 or 

0.1 + 0.7 = 0.7999999999999999 or 

0.2 + 0.7 = 0.8999999999999999 or 0.3 - 0.1 = 0.19999999999999998 

Why do the results show something unexpected? The reason pertains to IEEE standard IEEE-754 that defines 32bit/64 bit formats for storage of numbers in computers. This presentation tries to bring out simply of where the anomaly exists and why do we get these results. Also reaffirms that the normal IEEE-754 floating point standard will not befit for usual finance and banking applications wherein few zero's can lead to undesired losses for some and unexpected gains for few.

Full expanded form of IOTA blockchain?

 Well.... I always used to look for the expanded form of IOTA blockchain but could never get the answer. But today I got the same finally vide a chat as produced below:

" it's not an acronym, but it stands for the smallest unit possible in the greek alphabet, as with IOTA also micropayments are possible, e.g. 0.000001 cent. IOTA is engineered completely different than a traditional blockchain, but the IOTA Foundation is one of the leading orgs for DLT research globally, pioneering the DAG (directed acyclic graph) since 2016. The DAG enables parallel access to the DLT. IOTA is designing a green, secure, feeless and highly scalable DLT, without the negative "issues" of blockchain. This also makes it very suitable for data-driven scenarios like DID. Organizations also do not need to buy/hold cryptocurrency"

Thanks Holger Kother...

RTL8761B Tobo Mini USB Bluetooth Adapter installation on UBUNTU 20.04

No intro...no discussion....no details....will come direct to the problem and then the solution. :-)

QUERY / PROBLEM: You planning to buy a Bluetooth adapter for your Linux Operating system and are pondering to buy the right one to avoid any driver or installation issues later. Since window OS users have default drivers but not so with most of devices for Linux. So since I recently bought one Tobo Mini USB Bluetooth 5.0 Adapter Wireless Bluetooth Dongle Receiver, I had to search for solutions for smooth installation. So just few lines of code to be run on the terminal and you will be good to go...the drivers for the same are available at the link https://drive.google.com/drive/folders/1-6NI2-PMbX1wmVb1FYbXblaPvZGdKElD 

Once you access this folder you will find the files as seen in pic below:

Download the Linux folder and you will see some thing like below pic

now goto the terminal inside the usb directory and run this command

sudo make install INTERFACE=all

after this command ,next  move to the /home/ur_username/Downloads/rtl8761b/rtkbt-firmware/lib/firmware and run these two commands

sudo cp rtl8761bu_fw /lib/firmware/

sudo cp rtl8761bu_config /lib/firmware/

and that's all...init 6 and checkout...bluetooth will be seen...best wishes.

Byzantine General - Proof of Work consensus and Mining in Bitcoin Blockchain

Analogical to a Byzantine general scenario wherein a number of armies intending to attack an enemy fort need to reach a consensus of day/time to attack, this video explains how Bitcoin nodes attain consensus vide the Proof-of-work method on the same lines. This video builds up from brief history from David Chaum and Adam Bach works onwards to Wei Dai works on Blind signatures, Hash Cash and Proof-of-Work to understand concept of nonce and consensus mechanism in a Bitcoin Blockchain. Further this video brings out the reward mechanics in the Bitcoin eco-system and also Mining methods and types

Hashes & Merkle Trees in Blockchain Mechanics

Hash Functions take input of any length and produce a fixed-length string which means that one can use hashes on something as small as a few characters or as large as an entire document or even files of huge sizes in GBs and above. 

On the other hand enabled by these hash functions, Merkle tree represent hash-based data structure that is a generalization of the hash list and represent structure in which each leaf node is a hash of a block of data, and each non-leaf node is a hash of its children. Both Hash functions and Merkle Trees are cardinal to the mechanics of any Blockchain. 

This video focuses on a simple explanation of understanding Hashes and Merkle Trees. Hash functions SHA-256 and RIPEMD-160 have been discussed in little detail being peculiar to Bitcoin blockchain.

Distributed Ledger Technology in BLOCKCHAIN - Simple explanation

This video post brings out what DLT i.e. Distributed ledger technology is all about and what is it's contribution to blockchain.

Technology amalgamations inside Blockchain

Blockchain is an amalgamation of multiple technologies which have existed already in the IT ecosystem for last few decades. These include majorly cryptography, private-public keys, hashes, proof-of-work and other important technologies. This video post only identifies by name of what major technologies any blockchain is enabled on.

Where to start the "Learning BLOCKCHAIN" journey ?

Related to my earlier post https://anupriti.blogspot.com/2021/05/i-want-to-learn-blockchain-but-where-do.html this post focuses on the same presentation in a video talk version....