Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

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 ...

I've reviewed security systems from all major brands. Here are my most important recommendations when you're ready to set up your own.

Ohio fire officials urge residents to check smoke alarms and carbon monoxide detectors when clocks 'spring forward' this weekend.

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, ...

Working smoke alarms cut risk of home fire deaths in half ATLANTA (March 6, 2026) — Daylight saving time starts on Sunday, ...

BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

The American Red Cross is urging residents to test their smoke alarms this weekend as they set their clocks forward for daylight saving time on March 8.

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 ...

Firefighters in St. Louis are installing 1,000 smoke alarms this weekend as part of the “Smoke Alarm Blitz” initiative, in partnership with the Red Cross, to help prevent fire-related ...

Fire officials say working smoke alarms are critical to giving families time to escape during a fire.Residents are encouraged ...