One of the main excuses for not implementing online electronic technology courses is that students cannot do the lab. I say bull. A lab component is easily implemented especially in the low end basic courses. Let me explain.
First, home study schools have been using lab materials for decades. While there are not too many of these so-called correspondence or distance learning programs still around, schools like AII, CIE, NRI, NTS, ICS, Heathkit, CREI and others provided low cost kits and instruments with hands-on lab manuals with experiments. The labs included a DMM and some of them an oscilloscope as part of the tuition. The low cost components were supplied along with a breadboard or trainer to build basic circuits and experiment with them. All were successful.
The secret was in the lab manual. It was very detailed so that students could get through the lab work with minimal mistakes and help. Of course, students could contact the instructors for help if needed.
That approach is viable today. Any school can put together a set of parts and equipment that the student buys at the bookstore. It is affordable and doable. Just have a procedure for students to call or email the instructor for help.
Companies like National Instruments (NI) also now have a trainer that connects to a laptop to provide virtual test instruments like a DMM, scope, signal generator, Bode plotter, etc. NI uses a version of their well-known LabVIEW software. A breadboard with power supplies plugs into the laptop USB port. That product is called myDAQ.
National Instruments' recent acquisition of Digilent gives them a couple of other such products like the Analog Discovery. Digilent also offers a mix of FPGA and microcontroller lab products for academia as well.
This approach is very applicable to all the basic courses like DC, AC, semiconductor, linear, basic digital and microcontroller. All the hardware is affordable. The secret is in the lab manual and support.
Just don't say that online labs are not possible. It has been done successfully for years and is still a viable approach.
12 comments:
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Dear professor,
I am glad that you are not same Mr. Frenzel who wrote book on wireless communication systems, I have used that book for more than two decade in my class room in ECT program, I have great respect for my that colleague. My ECT students had no Trigonometry back ground but I have to tech them AC circuits using complex numbers and Fourier Series to analyze complex wave form components. Prof. Franzel is/was a great teacher (may be retired now) and had courage to speak against home office managers. On other hand You are person who will make happy to managers by saying that electronic labs can be taught successfully on line to any level students!
You are right if, you say that Electronic labs can be taught to those students who some how survived and passed on their own the first course lab. I know this fact from my own and several other GOOD and honest faculty members experiences, some teachers are not working any more just because they were forced to teach online courses to make more profit by combining small classes located at different centers.
One time I asked my company CEO a question that will he allow a Surgeon to operate his child who has obtain his degree from an On line institute? When I explained him problems of on line teaching (all quizzes and tests used by home office answers are posted on various website and can be found with Google search) security he was surprised and confused about what to do to maintain education quality?
Some websites membership allows a so called student to copy all the material to pass courses offered by online institute, Today a student need is money and not hard work to get wall paper printed by a diploma mills?
I hope you are not in charge of the on line teaching program or you will loose your sleep in figuring out how to make testing cost effective but secured. I have seen many managers leaving their job after burnout caused in solving education quality task. There are to many vultures trying to pray on innocent student.Thanks.
with regards, RPM
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