I’ve been building ESP32-based smart home devices using cheap sensors for the past few months. My drawer is filled with ESP32 boards, PIR modules, temperature sensors, sound sensors, light sensors, ...

Ever wondered why your phone's display turns off when you're on a call or bring it close to your face? That's the proximity sensor detecting if you are using the earpiece to talk, thus turning off the ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...