Dave does an impromptu teardown and repairs his 125KHz RFID lab access card.
And finds a use for his DSO Quad oscilloscope.
Forum HERE
Podcast: Download
Why is my lab power switchboard wired like this? Forum: https://www.eevblog.com/forum/blog/eevblog-1652-why-is-my-lab-switchboard-wired-like-this/ Podcast: Download