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 ...

The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

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Refer to the circuit diagram below for the complete wiring layout. The Raspberry Pi Pico WhatsApp messaging system reads the ...

Back in 2024, Renesas first released the RA0E1, an ultra-low-power Cortex-M23 MCU designed for cost-sensitive applications, followed by the RA0E2, with ...

In recent years, integrated platforms equipped with microcontrollers (with Arduino probably being the best-known brand) have been gaining popularity.

Arduino has just announced the Arduino Matter Discovery Bundle (AKX00081), an all-in-one development kit designed to help ...

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 ...

A wireless sensor the size of a paperclip, Abbott's CardioMEMS HF, can be used routinely by the NHS to monitor patients with chronic heart failure (CHF) in their own homes, according to NICE. The ...

When automating your smart home, much of the attention centers on cameras and lights, but I believe HomeKit door sensors are arguably among the most critical devices to add to your setup. I’ve written ...

If you're savvy and want to do a bit more home monitoring, these interesting sensor ideas might be worth trying.