Things used in this project

Hardware components:
Mcp23008 scio6r2g5v1 a 1 Particle Photon I²C 2-Channel SPDT 1-Amp Signal Relay
Si7020 a20 i2cs a 1 SI7020-A20 I²C Humidity and Temperature Sensor ±4%RH ±.4°C
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Particle Photon
Software apps and online services:
Blynk logo avatars


Particle Module code
This code allows the Blynk app to interface with a ControlEverything 2 relay board and SI7020 temperature sensor.


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Control Everything
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Control Everything develops control electronics for all popular IOT platforms. Take a look at


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