T&L Publications

I have no programing knowledge. What do I need to learn to program machinery that use PROGRAMMABLE LOGIC CONTROLLERS. Where do I start? Any particular books?

Is there such-a-thing as pulse width modulation for 480v 3-phase motors. This is where the motor starts slow and gradually picks up speed. Full speed is reached in about 5- 10 seconds. Also known as slow start. This is used on escalators. How does this work and does know of a good book that would ex...

I am a beginner, a hobbyist. I am interested in buying an oscilloscope. One that will work on todays electronics, and still be capable of handling the future. I would like to be able to handle todays automotive electronics. What specs and parameters are most important when judging different Scopes c...

I have ATT cellphones. These phones do not work in my house, but they work great right outside the house. Is there some device (maybe antenna?) that would bring a good signal into the house? On all floors (3).

what is a good starting place to learn programing for the beginner?

what is an "OP-AMP" and how does it work? I have read a few descriptions on PLAY-HOOKEY.com but i did not understand. can someone put this topic in very easy to understand laymens terms?

what is a STAMP? Is it another name for a chip? How do I learn about chips, what are some good books?

I live in northeast philadelphia and I am interested in going to an electronics school. I cannot find any in the phila. area that offer night school. Can anyone help?