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Step 4Plug in the Buzzer
Direction to Plug Things In
The direction things are plugged in matters in many cases. In general, the '-' negative side goes to ground, and the '+' side goes to the power source. This is not so much the case in this instructable. The resistor may be plugged in any direction, resisting the same either way. The buzzer will also buzz in any direction. For consistency, we'll be plugging the negative side of the buzzer toward the GND (ground) pin. If there were multiple buzzers, they'd all have to be plugged in the same direction.
Make Connections
Connect a wire (blue wire in photo below) from pin 4 to the breadboard.
Connect the other side of the wire to the 100R resistor.
Connect the 100R resistor to the buzzer.
Conntect the buzzer to the other (yellow in photo) wire.
Connect the wire to the GND pin on the Arduino.
Cool off with a glass of cold water... far away from the Arduino.
The direction things are plugged in matters in many cases. In general, the '-' negative side goes to ground, and the '+' side goes to the power source. This is not so much the case in this instructable. The resistor may be plugged in any direction, resisting the same either way. The buzzer will also buzz in any direction. For consistency, we'll be plugging the negative side of the buzzer toward the GND (ground) pin. If there were multiple buzzers, they'd all have to be plugged in the same direction.
Make Connections
Connect a wire (blue wire in photo below) from pin 4 to the breadboard.
Connect the other side of the wire to the 100R resistor.
Connect the 100R resistor to the buzzer.
Conntect the buzzer to the other (yellow in photo) wire.
Connect the wire to the GND pin on the Arduino.
Cool off with a glass of cold water... far away from the Arduino.
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