ok not quite a candle alone...
But i'm amazed what these stirling engines can do, esp when using water to help with the heat pump!
1 tealight should be enough to charge a battery and power your Arduino.
ok not quite a candle alone...
But i'm amazed what these stirling engines can do, esp when using water to help with the heat pump!
1 tealight should be enough to charge a battery and power your Arduino.