The American QRP Club
The American QRP Club was formed in June 2003, and later incorporated, as a organization of ham radio operating enthusiasts interested in low power operation – these types of hamsRead More
Design Notes – Power Electronics – 03
SMPS designs should have clear line or patch of isolation for product safety and long term reliability. If you use opto-couplers they need to have 5kV or better isolation andRead More
Production Notes – Electrical – 02
All Electronic Products have interfaces to external electrical circuits. The power supply is also derived using converters or power supplies. Motors, Heaters and Transformers are examples of components in theRead More
Amps-n-Volts Notes Corrected Improved
Near 2001 i started sharing my learning and experience in Electronics Engineering on Blogs and Newsletters. One of the Successful eMag and electronic email magazine ran for five years. IRead More
Tone generation using 89C2051 – AirBorn
This is a nice educational reference project based on 89C2051, an 8051 derivative. This uses the Uses analog switches to steer test tones and results. Programmed in assembler to produceRead More
BiPOM Electronics – Microcontroller systems
Embedded Systems for robotics, automation/control, and instrumentation. Design and Consulting Services, Educational Kits. Hardware Development Boards and Software Systems. BiPOM Electronics – Microcontroller systems WebCatPlus is one of the world’sRead More
Electronics For Beginners – Graham Knott
General Theory, Practical Skills And Projects, Components, Test And Measurement, Digital, D.C. Theory, Block Diagrams. Electronics For Beginners – Graham Knott This can be used to boost the output fromRead More
Analog Blind Dial On Delay Timer
It is called analog dial timer as it has no digital display, but the chip is digital it is CD4541. It is Mains operated, you could make on-delay or off-delay.Read More