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 ...
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 ...
Abstract: A novel fluxgate current sensor scheme based on a dual-core configuration is proposed in this study. By integrating a direct current (DC) zero-flux detector, an alternating current (AC) zero ...