How-To Geek on MSN

I turned an ESP32 into a Bluetooth presence sensor, and it knows which room I'm in

I'll never lose my phone again.
Hackaday

How To Use Those Cute But Slightly Odd 7-Segment LCDs

If you’re not aware, there is such a thing as adorable little three digit LCD 7-segment displays. They come in a ten-pin DIP ...

Track Room Occupancy Without Cameras Using ESP32 Wi-Fi Drops

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
Hackaday

Time Never Moves Slowly With This Clock

A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...
circuitdigest.com

Error message

circuitdigest_preprocess_comment(Array, 'comment', Array) call_user_func_array('circuitdigest_preprocess_comment', Array) (Line: 261) Drupal\Core\Theme\ThemeManager ...
note

[Arduino] Checking if the room light is on from the outside. Building a "Door-Through Lighting Indicator" that runs with auto-calibration and ultra-low power consumption

Have you ever been in a situation, whether in a conference room, a private office, or a room in your own home, where you can't tell if someone is inside (or if the light is on) from the outside ...