Today's animated Google Doodle celebrates Heinrich Rudolf Hertz, the German physicist on what would have been his 155th birthday. His experiments with electromagnetic waves led to the creation of the wireless telegraph and the radio. Hertz showed that electricity can be transmitted via electromagnetic waves.
You may wonder why his last name sounds so familiar. That is because Hertz's name later became the term used for radio and electrical frequencies. Think of hertz (Hz), kilohertz (kHz) and Read more [...]
Ready to do some circuit work? Have any new projects that you need perf boards for? We received a shipment of copper plated circuit boards that are 'nearly perfect' - that is to say that they are identical to the regular perf boards that we normally stock except that they were poorly scored and separated by the manufacturer resulting in some unusable mounting holes.
We're selling them in batches of 10 for $5.00. That's only $0.50 for each perf board. It's a great deal and they won't last at that Read more [...]