Shayam has written a nice letter to his HOD on usage of free software in laboratory experiments. As a teacher, I am trying to use free software in my own college. The problems mentioned in his letter is existing in all most all colleges in Kerala. The root cause for this is in the syllabus… Continue reading FOSS in Engineering Colleges
The 10 MHz crystal filter is one of the most important modules of bitx transceiver. Bitx uses an IF of 10 MHz. 10 MHz crystal filters are available at approximately Rs10 ( 1 US$ = Rs40 approximately) in the Indian market. I bought 10 crystals from a local electronics shop. The first thing I did… Continue reading Building Bitx part 2- The crystal filter.
A low cost PIC 16F877 prototyping board is being developed at College of engineering Attingal under my guidance. The credit for develoment goes to Shibu and Manoj. The board is intended for classroom use. The idea is to provide a low cost platform for experimenting with PIC micro controllers. The proposed board will have easily… Continue reading PIC 16F877 prototyping board – part 2