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 ...

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, ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Researchers from Guangxi University, China have developed a new gas sensor that detects ammonia with a record speed of 1.4 seconds. The sensor's design mimics the structure of alveoli—the tiny air ...

A federal law requires new cars to include technology that detects drunk or impaired driving, but regulators still have not ...

Samsung is set to finally unveil the Galaxy S26 series next week at the Galaxy Unpacked event in San Francisco. Just days before the announcement, a tipster has shared new details about the Galaxy S26 ...

Family dinners don't have to be formal, or even that long, for them to have a positive impact on children, a new study suggests. Regularly gathering for a meal, even if it's just sharing a quick pizza ...

Autonomous vehicles (AVs) are becoming increasingly common on roadways, but making them as safe as possible may entail going beyond the particular specs of the vehicles themselves to upgrading the ...

For the past two years, The Marshall Project has reported on faulty drug testing of patients during childbirth that can lead child welfare agencies to separate newborns from their parents. Our new ...