![SOLVED: A.Biasing and building the speaker circuit Using your Arduino's digital output pin 13 as the + voltage, and the Arduino's ground pin (labeled GND) as the " of our source, we SOLVED: A.Biasing and building the speaker circuit Using your Arduino's digital output pin 13 as the + voltage, and the Arduino's ground pin (labeled GND) as the " of our source, we](https://cdn.numerade.com/ask_images/a74dc815412940939b36617ff7a7236f.jpg)
SOLVED: A.Biasing and building the speaker circuit Using your Arduino's digital output pin 13 as the + voltage, and the Arduino's ground pin (labeled GND) as the " of our source, we
![safety - How much current can I draw from the Arduino's pins? - Electrical Engineering Stack Exchange safety - How much current can I draw from the Arduino's pins? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/nLAlB.png)
safety - How much current can I draw from the Arduino's pins? - Electrical Engineering Stack Exchange
![How do I increase the drive current from the arduino digital pins? - Electrical Engineering Stack Exchange How do I increase the drive current from the arduino digital pins? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/aBeJV.png)