Sunday, May 13, 2018

Lingyi Manual GT Series

The following is a translation of the Lingyi keyboard using Google Translate:

GT Series
Mechanical Keyboard General Guide

Page 1. Perfect construction, any full key without conflict
Ling Yi series of professional mechanical keyboard using N-Key-Rollover technology, to achieve full keyboard any key without conflict, with its complete mechanical structure will bring you full speed into the battle, each keystroke will bring clean neat and tactile feedback. The revolutionary no-impact mechanical keyboard gives you a totally different feeling.

The standard 104 and 87-key keyboards have 6 keycaps from top to bottom. The keycaps designed at different heights and angles meet the ergonomic design standards. The Lingyi series professional mechanical keyboards use the mainstream R4, R3, R2, R1 Specifications Create Pure Ergonomic Keycaps Scientific stepladder keycap design, ergonomics and aesthetics - a patchwork; when tapping, it fits the palm movement arc more, each keystroke will bring Tactile feedback is neat and tidy, ensuring the most comfortable and natural arc movement of the fingers, reducing finger fatigue.

First, feature overview
1. USB Full Speed ​​2.0, supports true reporting rates up to 1000 Hz.
2. Support full key no conflict <Respond to all keys>, with diode
3. Can be configured into different kinds of language version
4. According to the needs of customers, can be composed of different word key arrangement such as 87/104/105/106/107, Allows this keyboard to run on Win2000, Win XP, Win ME, Vista, Win7, Win & Android, Linux, Apple and other operating systems.
5. EEPROM, Flash memory.
6. Support boot effect: USB power, play boot animation, display trailing meteor, and rotate around the keyboard, followed by all the keys, and finally slowly extinguished.

Page 2. Cool rainbow backlight effect

7. Support one-button switching mode: SL

1. light glimpse: keyboard into the lake under clear skies, surging wave
2. as the shadow goes: the default backlight goes out, press the button, light press the button LED, release the button, the button LED slowly fades off,
3. click the water: default When the keypad backlight goes out, when the key is pressed, the key is used as the center. It is like a little water, and the light wave spreads around.
4. Dragon Tiger jump (animation play):
Animation 1: (Long Teng effect) meteor serpentine tail fill, filled with snake-like turn off the backlight; animation 2 : (excessive effects) Light quickly gathered the keyboard center, began to breathe; animation 3 : (Tiger leap effect) The center flashes, then spreads the fill, and then gathers to close the backlight.
5. Full keyboard breathing: The keyboard backlight simulates the breathing mode to achieve a curve change from back light to maximum brightness.
6. backlight OFF.
7. backlight is always on.
8. Pointing country: Press FN + Del to modify this mode to customize the on and off of each key LED. When entering this mode, the last defined effect is restored by default. FN + Del triggers the definition of the LED mode again. The indicator flashes. The trigger button can toggle the LED on and off. After the definition is complete, it triggers the exit definition mode again and saves the definition result. Can save six groups of custom functions FN + INS switch each group of custom functions.

Page 3. Easy and quick combination of function keys
8. FN + 1 keypad total brightness adjustment, 6-step brightness increase, long press continuously adjustable
9. FN + ↓ keyboard total brightness adjustment, 6-step brightness decrease, long press continuously adjustable

10. FN + ← speed adjustment, 5 gear speed decrease
11. FN + → speed adjustment, 5 speed increase.

The 5th breath cycle is: 4S, 6S, 8S, 10S. 12S, the default period is 65.

Page 4. Easy and quick combination of function keys
12. FN + W direction switch, so that the keys W S A D with arrow keys one interchangeable. Press to turn on the function, press again to restore
13. FN + Win-L simultaneously locks the WIN and APP buttons, press to open the function, press again to restore normal
14. FN + F1 ~ F11 combination of multimedia functions, please refer to the instructions

Page 5. The multimedia keyboard key
Lingyi professional mechanical keyboard has added 11 FN + multimedia composite shortcut keys
and WIN lock keys on the basis of the standard keyboard layout, which is more convenient to use\
and gives you a totally different and relaxed feeling.

WIN lock function.
When the FN is combined with the F1-F11 key on the keyboard, it will enter the corresponding
function mode.

The following table legend:
! Function Key Meaning |
My Computer el
Open Default Browser
Play / pause
Stop Play
Volume Decrease Volume Increase 1
Light Brightness Increase or Decrease
Light Speed ​​Increase or Decrease

Page 6. Insertion and removal axis Instructions
1 Remove the key cap of the shaft to be replaced.
2 Unplug the shaft to be replaced
3 Pull out with the matching shaft puller
4 Select the large hole shaft as shown in the figure to keep the two shafts vertical.
5 Find the corresponding hole.
6 Insert the new shaft so that the shaft is flat with the aluminum panel.
Note: If the test is NG, the shaft leg is bent when it is inserted, causing the point line to fail to conduct.
Please change step 3 again

Saturday, February 17, 2018

Saturday, November 18, 2017

Xiaomi XiaoFang Quick User Guide - ENGLISH Translation

Small square smart camera quick guide book


Scan two-dimensional code to download MiHome App
Or update it to the latest version.
This product has access to XiaoMi smart home,
Interoperability with other XiaoMi smart home products.

1.Wait 15 seconds after turning on the power
The camera adapter power cable into the product back power connector, wait for 15 seconds after the boot is successful, then the status indicator will blink yellow.

Blinking yellow - If the status indicator flashes non-yellow, please turn off the power and wait for 5 seconds before turning the power back on. Please be sure to use the standard power adapter and cable, use of other adapters may cause product failure.

2. 长按底部SETUP按钮3秒. 拉开摄像机底座,长按底部SETUP按钮3秒,当听到“等待连接”语音提示后重置成功。
Press and hold the SETUP button for 3 seconds Press the SETUP button on the bottom of the camera for 3 seconds, and when you hear the "Wait for connection" voice prompt, the reset is successful.

3. 打开米家App按提示操作
Open MiHome App and follow the prompts.

产品详细介绍. 包装清单:小方摄像机x1,快速指南x1,电源适配器x1,电源连接线x1。
Product details. Packing list: XiaoFang camera x1, quick guide x1, power adapter x1, power cable x1.

光线传感器. 镜头. 麦克孔. 存储卡槽. 重置按钮SETUP
Light Sensor Lens Microphone Memory Card Slot Reset Button SETUP
power supply. Status Indicator. Power cable. Power Adapter

Video tutorials and more exciting activities. Please pay attention to XiaoFang smart camera WeChat public number for more information.
‎Open WeChat "Sweep" at the top two-dimensional code attention

Return registration form. Non-human damage, can enjoy 7 days no reason to return, 15 days replacement, 1 year free maintenance services. If you have the demand for return, please use the mobile micro-channel to scan the QR code below to enter the return registration form, fill in the required.


Matters needing attention:

1, return process: fill in the registration form, courier sent back to the XiaoFang, manufacturers receive goods after the refund of pancreatic goods.
2, send back the freight borne by the user, replacement freight borne by the manufacturer.
3, If you have issued a paper invoice, be sure to send it back with the small side.
4, if the maintenance needs, or have other questions, you can call 400-682-2602 consulting.


Xiao Fang smart camera warranty instructions. 13 Services are as follows: Squared camera service strictly in accordance with the "People's Republic of China Consumer Protection Law", "People's Republic of China Product Quality Law," the implementation of three bags of service, the service is as follows: Three bags of the validity period, you can follow The provisions of the free return, replacement, repair service, repair, replacement, return should be handled by invoice.

1, 7 no reason to return (electricity supplier to buy channels), borne by the user logistics costs;
2, the product appears "product performance fault table" listed performance failure situation, after testing to determine, you can enjoy the following services for free.

服务类型, 服务政策。。。退货。

换货。 自签收次日起7天内产品质量原因退货。
维修。 自签收次日起15天内产品质量原因换货。
退货 自签收次日起1年内产品质量原因维修。
Service type, service policy . .
Returns. Within 7 days from the next day of receipt for product quality reasons return.
Exchange. Within 15 days from the date of receipt of the product quality reasons replacement.
Service. 1 year from the day after the receipt of the product quality reasons for repair. Returns

Tips: Due to the transport process need to use the box to ensure product safety, it is recommended that you keep at least 15 days from the date of receipt of the box magnetic base. Do not stay close to your computer or hard drive.

服务类型。 性能故障。
Product performance fault table.

Service type. Performance problems.
Xiao Fang smart. . Camera. The host does not work power indicator light does not shine.
Can not boot
Can not talk and video.
Shell cracks due to structural or material factors

非保修条例1,未经授权的维修,误用,碰撞,疏忽,滥用,进液,事故,改动,不正确的使用非本产品配件!或撕毁,涂改标贴,防伪标记; 2,已超过三包有效期; 3,因不可抗力造成的损坏; 4,不符合《产品性能故障表》所列性能故障的情况; 5,因人为原因导致本产品及其配件产生《产品性能故障表》所列性能故障。
Non-warranty 1, unauthorized repair, misuse, collision, negligence, abuse, into the liquid, accident, alteration, incorrect use of non-product accessories! Or torn, altered labels, anti-counterfeit labels; 2, has more than three bags of validity; 3, due to force majeure caused damage; 4, does not meet the performance failure table listed in the performance failure situation; 5, Product and its accessories have a performance breakdown listed in the Product Performance Failure Matrix.

Manufacturer: Tianjin Hualai Science and Technology Co., Ltd. Address: 9F, Overseas Chinese Venture Building, No.10 Jinping Road, Ya'an Road, Nankai District, Tianjin. Customer Service Phone: 400-682-2602. Customer service time: 08: 30-17: 30


MY NOTES HERE - from here below, it is no longer translation.

The XiaoFang camera requires the XiaoMi MiJia(HOME) app to configure and connect to the network. It is convenient to also get the Xiaomi Gateway (I don't receive anything from Xiaomi for promoting this). The important point here, is these devices work with your home wireless network. So it is important, during the setup process, to ensure Wifi Security is open temporarily. For example, the home wireless network has to:
1. Enable SSID broadcasting
2. Include the Xiaomi Devices in Wireless MacID filtering list.

Wireless MacID Filtering.
How do we know what is the MacID of XiaoFang.
1. Go to wireless router and look at the list of DHCP -> DHCP client list.
2. Disable MacID Filtering.
3. Configure / Connect the XiaoFang camera.
4. Look at the DHCP client list again, and look for the new MacID. This is the MacID just added and it must be the MacID of the XiaoFang.
5. After everything else about XiaoFang is setup and connected, its MacID can be added to the MacID filtered list. Now all Wireless security can be turned on again.

Thursday, November 09, 2017

Notes Xiaomi MIUI

Notes MIUI Xiaomi Mi Max2

The following are instructions based on my Xioami Mi Max2, but I suppose it can work with other Xioami running MIUI as well.

How to organize Folders as Music Playlist

How to organize Folders as Music Playlist
With the Xiaomi Mi Max2, it does not organize or recognize folders as playlists by itself. There is no way of choosing a folder to be a playlist.
Imagine if you have 1000 songs and 25 folders. Let say, we want folder 'A' to become playlist called 'A'. It does not allow you to choose that.
The first time you use Xiaomi and browse the folders (eg with Explorer), and Xiaomi sees your songs, it will see 1000 songs.
When you go to Music app, it will see 1000 songs. You can spend a lot of time to create a Playlist, eg playlist A and manually choose songs to put in playlist A.
This takes a lot of time.

Here is the solution.
Go to the Music App, click Settings -> click Advanced Settings -> click by Folder.
Now you can CHOOSE which folder the Music app can see.
So uncheck all folders, and check only folder A.
Now Tap, Tap, Tap, .... to completely exit the Music App.

Go back into Music App again.
Click My Playlist, click '+' sign to create a new playlist and call it 'A'
Click on the new playlist A, click on 'Add to Playlist'
Now the phone will show ALL the music files, of Folder A ONLY.
Now click 'Select All' -> click OK.
So with these few click, all files in folder A is assigned to playlist A

Sunday, November 05, 2017

Notes Altcoins Mining



This is a collection of links of the resources needed in mining Cryptocoins / Altcoins of which Bitcoin is the most famous. At the time of writing, most people in this field know that Bitcoin mining for the home user is no longer a worthwhile exercise. So the focus is more general here, about mining other crypto coins.


Coin Markets

Overview of what's needed

Exchange API




Coin Markets

Overview of what's needed

Digital Wallet

This is where your crypto-coin (ccoin) is stored. Exchanges can store the coins, but it is believed to be more secured if you store it yourself. Some types of digital wallet are:

  • Software - includes Desktop / Mobile / Web-based - eg Bitcoin Core, Xapo, Mycelium. (see Exodus, Jaxx for Desktop Windows
  • Hardware - stored offline on a device - eg Trezor, KeepKey

See Also:

Exchanges / Trading Platform

Extensive list of exchanges found in:

This is needed to buy/sell ccoins. Examples are:

BTC Markets ( trades in the following pairs as of 28Dec2017


Deposit Bpay-Free Poli$3.30 Withdraw Bank Transfer Free.

CoinJar ( - trade between BTC and AUD/USD/GBP/EUR Fees Trading-1%, Deposit BPay-Poli-Free. Bitcoin only X

Cryptopia ( - "Deposit, trade, and withdraw Bitcoin, Litecoin, and over 400 other crypto currencies." 0.2%

Bitcoin Australia ( Fees 5%, Buy/Sell, Bitcoin only X

CoinSpot ( Fees buy/sell with AUD 2-3%, trading 1%, Market orders 0.9%, withdraw cash Free, Deposit Poli-Free BPay-0.9% Cash-3%, Buy/Sell, Many coins

CoinLoft ( Fees 5%, Buy, Coins - Bitcoin/Ether X

Independent Research ( Fees 0.5%, EFT above $100 free, Bitcoin, Ether deposit free, Poli-$3.30, Cash withdraw free, API X

Bittrex ( - All trades have a 0.25% commission, has API X

Binance ( - not accepting new users at the moment.

Coinbase ( - Does NOT have SELL feature - ie. can only buy. Buy using Credit/Debit card AU - 3.99% X

CoinTree ( Fees Buying Bitcoins with Fiat 3% , Free for coins exchange

Changelly ( Fees 0.5%. Many coins exchange. "Additional fees will be charged, on top of the above Bitcoin / $ rate at checkout. Those fees are as follows: — 5%"

Shapeshift ( - Pure Exchange ShapeShift does not charge any specific fees outside of the miner fee. Instead, we offer an exchange rate for each coin which changes every 30 seconds dependent on market conditions. We try to earn revenue by offering a profitable exchange rate, and typically we earn in the range of 0.5% (50 basis points). You receive exactly what the exchange rate shows, there is no additional fee for the service.

Australia's Cryptocurrency Exchange ( - Fees 1% to withdraw cash to bank Coin/AUD buying more expensive than independent research

Warning on Fees:

Public Key, Private Key, Wallet Addresses

ref: Bitcoin Public and Private Keys

ref:Can you explain how cryptocurrency keys/addresses work to a very confused crypto enthusiast?

Bitcoin or other coin wallets have a file called wallet.dat. In this file are the information including:

  • Private Key - This key should not be revealed to anyone. This key is related to the next two.
  • Public Key - This is the public facing part of the private/public key cryptography. This key can be send to others. This is 256bits long. This can be derived from the public key but not the other way.
  • Address - This is 160bits long and is the hash of the public key. This is also given out to others when you want them to send crypto funds to your account.

In some coin wallets, several wallet address can be generated. The one private key can let you generate many public keys and wallet addresses. However, if you change, lose, import another private key, then your original key may be lost. So all your coins are gone, unless you backed up the private key.

Mining Pool


  • - has a list of Litecoin mining pools
  • - is the biggest pool at the date of writing
  • - Warns that mining Litecoin is NO LONGER profitable. "Litecoin mining can be profitable, but only under certain conditions. In the early days people could make a profit by mining with their CPUs and GPUs, but that is no more the case today. The introduction of specialized mining hardware (commonly referred to as ASICs), which can mine much faster and much more efficiently, has made finding blocks much harder with general-purpose hardware."


Some profitable coins to mine:

CryptoCurrency Market Capitalization A huge list of the alternative Cryptocoins available. This has a profitably table to guide people on which coin is currently profitable to mine.

how-to-mine-litecoin with GPUs -


How to Configure Cgminer for Litecoin & Bitcoin (Windows 8)

Exchange API

BTCMarket REST: JSON: {"bestBid":22634.0,"bestAsk":22699.0,"lastPrice":22698.98,"currency":"AUD","instrument":"BTC","timestamp":1515417348,"volume24h":597.58343}

IndependentReserve REST: JSON: {"DayHighestPrice":18279.05,"DayLowestPrice":16750.0,"DayAvgPrice":17558.3,"DayVolumeXbt":181.89188552,"DayVolumeXbtInSecondaryCurrrency":4.33637312,"CurrentLowestOfferPrice":17462.21,"CurrentHighestBidPrice":16686.6,"LastPrice":16750.0,"PrimaryCurrencyCode":"Xbt","SecondaryCurrencyCode":"Usd","CreatedTimestampUtc":"2018-01-08T13:26:50.1126024Z"}


*** Versions of cgminer following version 3.72 do not support scrypt mining, and support for GPUs was removed in version 3.82.

cgminer: - original site

Wallet: DogecoinCore - see "DogecoinCore Wallet"

- go to

In the pool

  • create user/pwd/pin
  • create one worker for each computer used for mining
  • enter "Payment Address" obtained from Wallet
  • enter Minimum Doge for payment threshold

- ATI drivers
- AMD SDK 2.9

doge-coinOnline Wallet– Direct Wallet Link
More Info –Tech Specs , Current Ranking
Exchanges – ( Bter my Personal Favorite)
Main Pool:
Backup Pool:

DogecoinCore Wallet

Local Dogecoin wallet -

27Dec2017 - Dogecoin Full Wallet

Install the file: dogecoin-1.10.0-win64-setup-unsigned.exe
Syncing: after first installation, expect it to take a long time to Sync the entire blockchain.
Get Coins - get the Wallet's Payment Address by going to: File -> "Much receiving address..."
Send Coins - to send to others: File -> "Such sending address...."
Encryption - the wallet can be encrypted for more security: Settings -> "Encrypt Wallet"
Backup: File -> Backup Wallet (into a *.dat file). File
Restore: Go to the Dogecoin data folder (not the folder where Dogecoin is installed). By default the data folder is in Users//AppData/Roaming/. Then copy the backed up *.dat as "wallet.dat"


  • the initial setup of Dogecoin wallet can take extremely long. Here the Bootstrap method is used.
  • Run the Dogecoin, wait until it is syncing, then close the app.
  • Download the blockchain from
  • Save it as "bootstrap.dat" to the data directory of DogecoinWallet, by default it is Users\AppData\Roaming\DogeCoin
  • Run the the DogecoinWallet app. It will sync using the bootstrap file, and when done, it will rename it as bootstrap.dat.old.


  • "error loading block database" or "Error opening block database" Ensure Firewall off (otherwise Access is Denied error), open CMD as Administrator, cd to Dogecoin installation, run "dogecoin..-qt.exe --reindex"

Console: Getting Public, Private and Address

See Public Key, Private Key, Wallet Addresses - for explanation on the differences.

This section shows all three public, private keys and wallet addresses from the Dogecoin Core Wallet buildin console.

  1. Open Dogecoin Core Wallet
  2. Click on File -> Much Receiving Address
  3. In the new window that popped up, there should be at least one line of Label - Addresses.
  4. Put the mouse over one of the Addresses values, and right click and choose 'Copy Address'.
  5. The address that is copied in the previous step is the Wallet Address
  6. Click on 'help' in the menu bar (top right)
  7. Click on 'debug window'
  8. Select the 'console' tab
  9. At the bottom, type: walletpassphrase "your walletpassphrase here" 600
    where 600 is the seconds before timeout. The walletpassphrase is the long list of words when you first encrypted the wallet.
  10. To get the Private Key type: dumpprivkey [Wallet Address] this will return the private key, you can copy it now; ensure you clear your clipboard/history afterwards To finish off, type: walletlock
  11. ignore these steps if your wallet isn't encrypted.
  12. To get the Public Key, type: validateaddress [Wallet Address] This will not only output the public key, but also the scriptPubKey and isCompressed. The isCompressed tells whether the public key is compressed or not.


Exchange: Bittrex, Cryptopia




  • says ethminer has better hash rate than claymore
  • suggests "mining pool hub"
  • In Mining pool
    • create account
    • create worker, with password
    • worker configuration, use the worker and password just created
  • In Ethminer:
    • ethminer -G -S <pool info:port> -O worker:passwd --opencl-devices 1
  • Non-Pool Mining with GPU: ****


  • Data directory is default at c:\users\\AppData\Roaming\Musicoin. To change directory:
    • Close the Musicoin Wallet
    • Copy the c:\users\\AppData\Roaming\Musicoin folder to the destination XXX, then rename the sources as MusicoinOLD.
    • Open CMD as "Run as Administrator"
    • make symbolic link: mklink /D c:\users\\AppData\Roaming\Musicoin XXX
    • Open Musicoin Wallet to test. If OK, then delete MusicoinOLD.

Source code:
GMC v2.5.1 stable - - get gmc-windows-4.0-amd64.exe



Ethereum Contracts


Checking GPU Load

Using GPU-Z - this gives some indication of how much the GPU is being used, whether it is being highly stressed or not. There is not one specific indicator, but from experience, you will get to know which indicator to look for. Watch this before and during the running of any crypto miner.

The GPU-Z could be quite tricky to use. Feel free to follow these instructions:

  1. Google GPU-Z and download
  2. Save as onto Downloads folder
  3. Unzip as necessary
  4. Copy the GPU-Z.2.5.0.exe onto the Windows Desktop
  5. Run as Administrator from the icon on the Windows Desktop.


  1. This does NOT need to be installed.
  2. If it is run from the Downloads folder, there is an error like "system cannot install driver" or something. But it works if copied onto the Desktop.


"How to Buy Bitcoin" - Money Magazine, Oct 2017.

Monday, May 15, 2017

Windows 10 Updates

Windows 10 would prefer full control of your PC and updates whenever it wants. There is a limited number of ways to stop this.

When getting this message "Getting Windows ready, Don’t turn off your computer screen", some people have waited from 7 hours to 24 hours - so be patient.

The Software Distribution Folder is responsible for storing Windows Updates stuff. To operate on this folder, first stop the Windows service:
   net stop wuauserv
   net stop bits
Then either delete or rename the folder, then start again.
   net start wuauserv
   net start bits
These operations can solve some Windows Update problems.
For more info see:

To stop Windows 10 from updating automatically, login as a user with Administrator privilege.
Click the Start button, then click the Setting (like a gear icon) button.
A Windows Settings page appears. Then click the "Network & Internet" option.
Click Wifi and then Manage Known Networks.
Click on your wifi network name, then click Properties.
Under Metered Connection, set it to On.