Bob's Hobby Bob's Hobby blog

How to send a message to other computers in your network with “net send” command

Yesterday I want to send a message to my friend's computer on my network(home network behind a router) without install a new special software.After do some search on the Internet I found a "net send" command which included in Windows 95, Windows 98, Windows Me, Windows NT, Windows 2000, Windows XP and Windows 2003.Net send command is a command line interface that pop-up a message in a simple Message box on your friend's computer like the bottom picture.
net send message box

Water level detector with PIC12F683

Water level detector with PIC12F683
Firmware v1.0
Hi-tech PICC source code
This is a PIC based water level detector.Why I choose PIC ? First I have a lot of them for my DIY projects,second I want to use this project with 4.5V batteries and PIC Micro has the sleep mode which has very low power consumption,so the life of the battery can be extended.Most of time of this circuit operates in the sleep mode and wake-up from sleep through watchdog time-out every about 2 second.

How to create screenshot with Media Player Classic

How to create screenshot with Media Player Classic ?My friend asked me about how to create screenshot without special software.Actually, If you have Media Player Classic installed in your computer it easy to create screenshot like the below image.
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