Switches przycikiem type On-Off On-On.
Module from the Grove is equipped with a button with a yellow led. It is powered with the voltage from 3.3 V to 5 V. It has the Grove connector that allows for the direct connection of the board to the Raspberry Pi and Arduino.
Fibaro The Button is a simple button home automation, which can meet freely configured for a feature in the Fibaro system, for example, to turn on / off the lights, trigger the alarm, lower the blinds. Button is able to recognize up to 6 actions. This version works with Apple HomeKit. Small dimensions allow to mount the button anywhere. Button in black.
The wireless module BBMagic Button feature button with the ability to connect an external switch, it can send Raspberry 6 different messages using just 2 buttons - after 3 posts for each. Is supplied with the voltage from 1.8 V to 3.6 V. The module is compatible with the Raspberry, communicates via Bluetooth Low Energy (BLE).