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 ...

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.

Local-first wins.

For spectrum analyzers lacking a tracking generator, this broadband RF noise source is affordable and will help measure a ...

After decades of intense research, surprises in the realm of semiconductors—materials used in microchips to control ...

A joint research team led by Professors Han-Ki Kim and Bo Ram Lee from Sungkyunkwan University's School of Advanced Materials ...

AI-enhanced optical spectroscopy revolutionizes food quality monitoring with rapid, non-destructive analysis, ensuring safety and reducing waste in production.

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 ...

Smart biomedical devices are transforming modern health care, using skin-mounted sensors to capture in-depth health information directly from the body. As clinicians increasingly use biosensing ...

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

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 ...

Abstract: Single current sensor operation (SCSO) in motor drives has garnered significant attention due to its cost-effectiveness and compact dimensions. The conventional SCSO sampling logic, however, ...