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Logitech MK345 Comfort Keyboard and Mouse Combo

October 5, 2016
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I bought a keyboard and mouse combo from Costco. I thought it is a good deal.  $29.00 plus ECO Fee 0.5 , plus tax.  Some store price it at $66.77 plus shipping.

Logitech MK345 Comfort Keyboard and Mouse Combo / Logitech MK345 Wireless Desktop Keyboard and Mouse.

mk345-price

  • Full-size Keyboard.
  • Mouse in good size. Not a compact one.
  • Batteries are pre-installed.
  • Keyboard battery life is 36months. 2 X AAA batteries. ( Based on the support website, it is said 48 months, or 4 years. But I think 36 months is more conservative.)
  • Mouse Battery life is 18 months. 1 X AA battery.

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The first time to make the Raspberry Pi work

September 16, 2012
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I power on the Raspberry Pi this morning. See pictures below.
The first look of the screen in text mode. Raspberry Pi is located on the lower right corner.
loading_rpi_1st

After the loading, I can enter startx to load a window.

startx_rpi

Because it is the first time, I want to record the steps clearly.
First of all, I need the five important parts for make the bare board work.
USB keyboard and mouse.
Logitech USB mouse, M-BJ69

31t5T7-E1sL._SL500_AA300_

Microsoft Wired Keyboard 400v1.0
Prepared SD card. At least class4, 4GB.
Kingston sd4/4GB, class 4
1345791387-kingston-sd44gb-4gb-sdhc-class-4-flash-memory-card

HDMI or composite television, OR a monitor with DVI or HDMI input, and an HDMI/composite cable.
HDMI cable to connect my 42 inches TV
Micro USB power supply – make sure you use a good quality one, capable of providing at least 1A at 5V.
I use HTC cellphone power adapter. It is 5V 1A.
Ethernet LAN cable.
Normal LAN cable.

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Christmas gift is a set of Hardware

December 25, 2008
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I bought the new hardware to upgrade my Desktop. Actually it is not an upgrade. It is almost brand new one.
I ordered them online with Ncix.com
Let me show you what I got.
31195 Palit Radeon HD 3870 512MB GDDR3 PCI-E DVI-I HDMI Video Card 1 $109.99 $109.99
24129 Antec Earthwatts 500W Power Supply ATX12V V2.2 Active PFC 80-PLUS 80MM Fan 1 $59.99 $59.99
19337 OCZ Platinum XTC REV.2 PC2-6400 2GB 2X1GB DDR2-800 CL4-4-4-15 240PIN DIMM Dual Channel Memory Kit 1 $44.99 $44.99
33181 Intel Pentium Dual Core E5200 Dual Core Processor LGA775 2.5GHZ 800FSB 2MB Retail Box 1 $99.99 $99.99
30574 Gigabyte EP43-DS3L ATX LGA775 P43 FSB 1600 OC 1PCI-E 2PCI DDR2 SATA2 HD Sound GBLAN Motherboard 1 $99.99 $99.99
Subtotal of these five items is $464.75.
And two days later I got one Harddrive $77.27 including tax.
I build my new desktop with six PC hardware parts. Total cost is $542.02

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Logitech EX110 Mouse problem

September 15, 2008
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I have a set of Logitech EX110 keyboard & mouse set at home. I used it about 20 months.
From last month, I have a problem with the mouse.
When I make a single click on the left button, it works like double click. Not always, but very often. And also it happens randomly.
So I have nothing to do with it. I find a wired mouse to replace it.
Later I read a post has similar situation in Chinese.
OK. I have a small screw driver and sewing needle.
I open the mouse with screw driver.

Mouse_9

Open the cap of the micro switch with sewing needle.
Clean the contact points by a copier paper. Cut a small piece of paper, fold it and put it in between of the points. Just rub couple times.
Assemble it and it works.

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