DIN rail lightning strike counter? (Patreon)
Published:
2024-05-02 03:35:56
Imported:
2024-05
Content
Here's a weird one. A random AliExpress find that counts significant surge arrester incidents and displays the total on an LED display.
Stunningly low power at just 1/10th of a watt. Also keeps the score in non volatile memory, although the PCB design has legacy component positions indicating that it used to need a backup battery.