Reed Switch Overkill?

ercoerco Posts: 19,697
edited 2020-04-16 - 05:10:28 in General Discussion
Browsing Ebay I found a reed switch "breakout board" with a 393 dual comparator, adjustment pot, some LEDs & passives. Has the world gone mad for 3-pin sensor modules? What is there to adjust? If it were me, I'd just use... a reed switch. I'm silly that way. https://www.ebay.com/itm/3925233812906163d051243ce70e09c947e45450a7.jpg
1002 x 500 - 72K

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