Adafruit Feather 32u4 Bluefruit LE and USB / DC / Solar Lith

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luchris429
 
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Adafruit Feather 32u4 Bluefruit LE and USB / DC / Solar Lith

Post by luchris429 »

Is it safe to use these two together? It looks like the 32u4 has automatic charging. What happens when I plug into the Bluefruit and the solar panel at the same time? Will it still charge the lipo battery? Also, I plan to use the 32u4 at extremely low power -- what are some methods for reducing power consumption?

The setup I have in mind for what it would do should be simple. If a button is pressed, send a BLE ON signal (and OFF what it is unpressed). If a BLE ON signal is received, vibrate a haptic motor until it receives the OFF signal. Is it possible to reduce the power consumption to the point where a small solar panel (6.0V 70mA) would be enough to power it and charge the battery?

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