SparkFun Photon Micro OLED Shield Particle Photon, Sparkfun Originals Hunting The alarm pin is an

The alarm pin is an open collector meaning you will need a pull up resistor on the alarm pin

The LMV358 opamp can source up to 160mA and works well as a low impedance driver/buffer

and touchless gesture sensing

With the SparkFun Photon ProtoShield you have the control over what kind of project you design for your Photon

SparkFun Photon Micro OLED Shield Particle Photon, Sparkfun Originals Hunting The alarm pin is anThe SparkFun Photon Micro OLED Shield breaks out a small monochrome, blue on black OLED to use with your Photon module. It? s micro, but it still packs a punch ? the OLED display is crisp, and you can fit a deceivingly large amount of graphics on there. This shield is perfect for adding graphics to your Photon, displaying diagnostic information without resorting to serial output, and teaching a little game theory. Speaking of, the screen on this