SparkFun Photon ProtoShield Particle Photon, Sparkfun Originals Binocular Accessories the Pulse Sensor Amped can

the Pulse Sensor Amped can solve that problem

Replaces:DEV-09221

high quality BJT NPN transistors made by ST Micro

some rubbers

SparkFun Photon ProtoShield Particle Photon, Sparkfun Originals Binocular Accessories the Pulse Sensor Amped canYou cant have any development board without some sort of prototyping area, the SparkFun Photon ProtoShield takes care of this. This ProtoShield mates easily with your Photon module and provides a small soldering area and separated power and I2C hook ups. With the SparkFun Photon ProtoShield you have the control over what kind of project you design for your Photon. The Particle Photon is a tiny WiFi development kit for creating connected projects and