Things used in this project

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

Code

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

Credits

Ce logo small
Control Everything

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

Contact

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