100mA should be enough for an Arduino with only a sensor/LED or two - the bare board is about 55mA I think - something of that order.
When the sun goes behind cloud it won't be enough though - but with the right battery and charging circuit...
100mA should be enough for an Arduino with only a sensor/LED or two - the bare board is about 55mA I think - something of that order.
When the sun goes behind cloud it won't be enough though - but with the right battery and charging circuit...