Power
SMARS can be powered by a 9v battery or via 2x rechargable 18650s. Arduino's, Raspberry Pis and Microbits are strictly 5v (or 3.3v) only, so make sure you don't connect the 9v battery directly to them.

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SMARS can be powered by a 9v battery or via 2x rechargable 18650s. Arduino's, Raspberry Pis and Microbits are strictly 5v (or 3.3v) only, so make sure you don't connect the 9v battery directly to them.