More about Sensors (301)

| From a circuit point of view, a LoRaWAN node combines a microcontroller and LoRa transceiver. Although there are numerous commercial LoRaWAN...

| Current measurement requires the use of an ammeter placed in series with the load. An ideal ammeter has no voltage drop; it is a short circu...

| Need to turn on a device by placing an object on a surface? This low-power IR switch can do the trick.

| Elektor's Jan Buiting entered the lab of the Eindhoven-based InnoFaith Beauty Sciences to discover how their high-end equipment for skin ana...

| The SensorTile.box is a small battery-powered box packed with sensors that communicates over Bluetooth. A smartphone app lets you control it...

| Before you start working with moisture sensors, consider the following tips about sensor selection and sensor integration. Once you are fami...

| The promise of the smart home continually seems to be just out of reach, but all that changes thanks to a collaboration between FTDI and Bri...

| In electronics, ideas, crude sketches and ‘triggers’ can prove more valuable than turnkey circuits. Walter Arkesteijn explains how he applie...

| Capacitive touch interfaces really took hold after their success in the Apple iPod with its rotary wheel. Since then, touch buttons have mad...

| A resolver is a transformer with a fixed input winding and two rotating output windings placed at 90 degrees to each other. It can measure a...