Page 220 - Programming the Photon Getting Started With the Internet of Things
P. 220

Shields:

           overview of, 111

           power shield, 119–120

           programmer shield, 118–119


           relay shield, 114–118

           Shield Shield, 111–113

           summary, 124

        Single-pole, double-throw (SPDT), relays, 114

        Small form factor, of Photon board, 4

        Smart Config:

           connecting to Wi-Fi via, 7–8


           LEDs indicating board states, 8

        SMD (Surface Mount Diode), board features, 8

        Soldering, 149–151

        Soldering irons, 150

        Spark Core, comparing with Photon, 2–3

        Spark function, controlling relays over Internet, 117–118

        SparkFun:


           resistor kits from, 154

           suppliers of Photon-compatible components, 153

        SPDT (single-pole, double-throw), relays, 114

        SRAM (Static Random Access Memory), 10

        Startup, LEDs indicating board states, 9

        Strings, syntax of, 42–43

        Suppliers, Photon, 152–153


        Surface Mount Diode (SMD), board features, 8

        Switch mode regulator, relay shield using, 115

        Switches:

           debouncing, 74–76

           digital inputs, 70–73
   215   216   217   218   219   220   221   222   223   224