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Ligne 26 :
Ligne 26 : − +
→Mesurer l'accu
To make this easy we stuck a double-100K resistor divider on the '''BAT''' pin, and connected it to '''D9''' (a.k.a analog #7 '''A7'''). You can read this pin's voltage, then double it, to get the battery voltage.
To make this easy we stuck a double-100K resistor divider on the '''BAT''' pin, and connected it to '''D9''' (a.k.a analog #7 '''A7'''). You can read this pin's voltage, then double it, to get the battery voltage.
<nowiki>#define VBATPIN A7
<nowiki>#define VBATPIN A7
float measuredvbat = analogRead(VBATPIN);
float measuredvbat = analogRead(VBATPIN);