T&L Publications

It would probably be easier to read the port data via a C or C++ program. <p>If you cannot read parallel directly into VB, then write a C routine to read the parallell port and then transfer it to the VB ap.

Here is another idea, put an OPTO isolator between the Stamp and the relay to protect your Stamp if you accidently short the load side of the relay to the control side.<p>Also, if you need to control a higher current load, then use the reed relay to control a larger relay capable of handling the loa...

Try reading information on Packet Radio in the Amateur bands. But remember, you MUST have a License to utilize the Amateur Radio spectrum and it cannot be for business and it cannot be profane.<p>With the right type of equipment, 50 miles is no sweat, but the 56 K speed is another issue.<p>In a nut ...

If I wanted to throw something at the stupid birds, it would be a does of hot lead!

One more thought...<p>What if the person receiving the telephone call is a Medical Doctor with a certain specialty that requires them to be on call 24/7. What type of church member or leader would have the nerve to malicously interfere with that communication? Yes, it is anoying, but you could simpl...

Ed,<p>Thank you for your time. You know, the city of Plano pays a guy to fire off 12 ga. blanks! If it wasn't for the environmental wackos and animal rights wacko's, I'd just use straight bird shot!<p>Hummmm.... DCCCD.EDU...<p>I just took a couple of MCSE classes at the Brookhaven Campus of DCCCD.<p...

Sounds like someone wants a vist from the feds! If you intentionally interfere with a telephone, it is a federal crime. Also, it is a crime to intercept cell phone traffic. Also, it is a federal crime to re-broadcast or even broadcast a signal in those frequency ranges without an appropriate license...

Well, may I through my two cents in the pool...<p>You topic is very broad in scope. You probably need to reduce your topic to discussing the energy required to perform a specific task (work) and then relate that to the size of battery required to provide the same amount of energy. Unless you are int...

Dear Dim,<p>I deeply appreciate your response.<p>Since I'm just your basic tinker-er, would it be to much to ask you what I need to do to make it work at a frequency that irritates birds and does not drive my siberian husky and dalmation crazy? (Although I'm quite sure that the dalmation is brain da...

HELP! Does anyone have a schematic for an ultrasonic bird repeller? I seem to have a serious problem with #@*#*@*@#$ birds!<p>They try to roost under my car port, under my porches, in the trim of my metal shop, etc, etc!!!<p>They are so *$%&@$ anoying! HELP!!!!!<p>I really don't want to resort t...