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This heart will light up whenever it senses motion through the Passive Infrared (PIR) sensor. We will be using the PIR sensor as an input and the LEDs...
•PIR motion sensor (1) •Arduino micro (1) •Red LEDs (16) •Coat hanger(1) •Jumper wires •PC board •Cardboard •5mm LED holders(16) •Red paper •40...
• Soldering iron • Hot glue • Scissors • Solder • Pliers • Wire strippers and cutters • Drill • Drill bit as big as PIR sensor • Drill bit as ...
For the LEDs : Connect all negatives with negatives and all positives with positives, then connect the positive side to Arduino pin 12, connect the po...
For the PIR sensor: Connect GND to Arduino ground. Connect VCC to Arduino 5 volts. Connect OUT to Arduino pin 3. When you have finished, hot glue the ...
Solder the 40 pin IC socket to the PC board and make the connections
To cut out the shape of the heart you will first have to trace a heart and then cut it out on cardboard. After that, cut out the same shape but just o...
First drill out the big hole for the PIR sensor in the middle of the heart.
Now with the small drill bit, drill out 16 small holes around the heart, so that the LED holders fit snug. So that you only have to snap the LEDs in t...
With the coat hanger, cut out a strip of metal wire, and bend it so that it fits around the heart. Then hot glue it.
So now that your circuit is completed, lets get ready to upload the code to the Arduino micro The code: * //the time we give the sensor to calibrate (...
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