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 ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based ...

U.S. Army veteran Andrew Penns learned of Martin Luther King Jr.'s assassination while serving in Vietnam. After his military service, Penns returned to his hometown of Abilene, becoming a pastor and ...

How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

Scientists at UC Berkeley have discovered a microbe that bends one of biology’s most sacred rules. Instead of treating a specific three-letter DNA code as a clear “stop” signal, this methane-producing ...

They go by names like “Alto,” “Irene,” and “Shoeshine,” but for years, outdoor, non-feral cats have largely been invisible inthe North Texas Dallas city code. Advocates for so-called “community cats” ...

More forceful macroeconomic stimulus, stronger social protection, and fiscal support for the property sector can help boost domestic demand, especially consumption China’s economy has proved resilient ...

Ayatollah Ali Khamenei has entrusted Ali Larijani, the top national security official, to ensure the Islamic Republic endures any military attacks and targeted killings. Ali Larijani, the secretary of ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. Below, you’ll see the best TVs ...