mc-Module > mc-Module

Light Sensor Demo


While following the light sensor demo, I keep getting a lot of false readings. For example, I place the mcModule120 in a closed drawer in complete darkness. It works fine for a few hours then every 30 minutes of so I get messages that the light sensor was triggered even through the drawer was never exposed to light. I noticed the same behavior on the reed switch. Any suggestions as to why? Any suggestions on how to resolve this?

Post the code and we can take a look. What is the state of the battery? Is it a fresh battery or has it been in use for some time?


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