In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

March 19, 2026: We checked the usual places for new Clash Royale codes. What are the new Clash Royale codes? If you're looking for new emotes and other freebies in Clash Royale, redeem codes are the ...

March 19, 2026: We had another look around for new Dead By Daylight codes. You can still get a head piece for The Unknown with the most recent code. There are more ways to customize your game than ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

The instructions below will help you to redeem codes in The Time of Ninja. Note that the game is currently inaccessible on console versions of Roblox, but this will work on mobile and PC versions. Of ...

In order to collect your free rewards in Jujutsu Chronicles, you first need to be in the game. We also suggest finding a quiet, secluded place to redeem codes so you aren’t being griefed. Image Source ...

For over 5 years, Arthur has been professionally covering video games, writing guides and walkthroughs. His passion for video games began at age 10 in 2010 when he first played Gothic, an immersive ...

Use these 6 Microsoft promo codes to save on computer software, PCs, laptops, Xbox hardware and games, and more. All coupon content is created by PC Gamer. We may earn a commission if you buy through ...

For over 5 years, Arthur has been professionally covering video games, writing guides and walkthroughs. His passion for video games began at age 10 in 2010 when he first played Gothic, an immersive ...