Taste The Code on MSN

Arduino heart rate monitor using Pro Mini PulseSensor and OLED for beginners

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 ...
EDN

Stretching a bit

Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.
Hackaday

Building A Heading Sensor Resistant To Magnetic Disturbances

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 ...
Hackaday

Simple D-STAR Transceiver Uses Inexpensive Hardware

Yeckel] recently put the finishing touches on an ambitious implementation of a simple D-STAR (Digital Smart Technologies for Amateur Radio) transceiver using some very accessible and affordable ...
ISA

Using the ISA/IEC 62443 Standards to Secure Your Control Systems (IC32)

Using the ISA/IEC 62443 Standards to Secure Your Industrial Control Systems (IC32) provides a detailed look at how the ISA/IEC 62443 standards framework can be used to protect critical control systems ...