The pin 2 connects to +5V, pin 8, and one end of the cap. The the end connects to Gnd.
G/ should just be connected to Ground. No cap there.
You need the 12V Gnd connected to the Arduino Gnd. I didn't realize you hadn't done that.
The pin 2 connects to +5V, pin 8, and one end of the cap. The the end connects to Gnd.
G/ should just be connected to Ground. No cap there.
You need the 12V Gnd connected to the Arduino Gnd. I didn't realize you hadn't done that.