This simple and cheap circuit is not just for Christmas! There are just two resistors, a small-signal transistor such as a BC547, one ‘flashing’ LED and a string of ‘normal’ LEDs. The flashing LED ...
Videos of flashing street and house lights have gone viral after being posted by a MAGA social media account. In the posts from New York and Virginia, which have been viewed 1.6 million and 43,100 ...