Rechargeable Battery Power ? for Arduino Microcontroller
У вашего броузера проблема в совместимости с HTML5
On-board jack requires 7 volts (regulated to 5 volts), but rechargeable 9-volt battery only puts out 175 mAh, whereas 6, 1.2 volt AA batteries in series (= 8.4 volts fully charged) are available in 3000 mAh long-lasting current. So get the highest milliampere batteries available.