1. M

    SPST pin configuration

    Hello fam, I ordered a SPST switch (Through hole type) from distributors and also download the cad file for PCB layout from the same website. I am now confused with the pin configuration, in the footprints it has 3 holes. Usually the SPST switch has only 2 pins right?. I have gone through the...
  2. G

    Two LEDs and 2 SPST. Four states?

    Hello, Newbie question I have a device that have two SPST relays that I control. From these relays, I would like to control the ON/OFF states of two LEDs (red and green) and a high/low brightness state. This gives four possibilities: Red High brightness Red Low brightness Green High brightness...