16-Relais Modul 12V mit Optokoppler Low-Level-Trigger kompatibel mit Arduino Select quantity discount:3x relays The Mercury Tilt Switch and

The Mercury Tilt Switch and Light Cup modules containing mercury are therefore no longer part of this kit

Many of our top products are selected for the surprise box: Sensors

At the moment

With the project bundle and the detailed instructions in the blog

16-Relais Modul 12V mit Optokoppler Low-Level-Trigger kompatibel mit Arduino Select quantity discount:3x relays The Mercury Tilt Switch andOur AZ Delivery relay modules switch quickly and reliably many switching operations. Thanks to an additional transistor, the module can be switched with most microcontrollers with little current. The relays used are generously dimensioned to allow permanent operation even under difficult operating conditions. The optocouplers and diodes protect your controller from damage. The source of the power supply can be configured with a jumper located on the