Capacitive / Inductive

2 pc(s)
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1011 SparkFun Capacitive Touch Breakout offers a single, momentary capacitive touch button with easy-to-use digital I/O pins. The AT42QT1011 is a dedicated,...

1 pc(s)
Inductive proximity sensors are distinguished by a long operating life and extreme robustness. They are the most common and affordable solution for applications requiring accurate, non-contact detection of metallic objects. Their operating principle is based on a coil and oscillator that...

2 pc(s)
This "momentary" capacitive touch sensor is the simplest way to add user input to a project without using a button. No microcontroller is required here - just power it with 3.3 to 5.5VDC and touch the pad to activate the sensor. The sensor-pad area is connected to a dedicated,...