All items tagged with Sensors and Circuits & Circuit Design (4)

| The fingerprint-readout function is widely used in high-tech devices such as notebooks, advanced keyboards, and automated access control, bu...

| Need a project to solve the problem of remotely monitoring a water heater with a simple circuit? This design uses a current sensor, a transi...

| With inexpensive ultrasonic sensors, you can design both basic and sophisticated measuring devices for various ranging applications. By comb...

| PIR-controlled presence detection solutions are popular, but they don't detect stationary bodies. This DIY radar-controlled project is a han...