How to Size a Solar Panel for an IoT Device

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Whether powering an outdoor asset tracker or an indoor BLE beacon, understanding the balance between power consumption and power generation is critical to an energy harvesting solution.

A properly sized PV module not only depends on device consumption but also power margin. Margin, in this case, is the headroom that ensures a device still operates during a worst-case scenario, unexpected events, or real-world uncertainty.

There are a lot of inter-dependent variables that significantly affect generation and consumption. These variables offer levers to pull when putting together a viable use case but can be complex and overwhelming.

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