Alright! So the idea struck out of blue one day when I was shocked to see someone sitting outside my office enjoying reading a newspaper!
I had no idea who this person was, when did he come and since how long was he enjoying his unsolicited stay just outside my cabin? You must be thinking what a fool I am but you gotta trust me on this, my office is one of the creepiest that one can get anywhere. Seriously!
I had an Arduino UNO clone ready at my disposal. So, all that I needed was an ultrasound sensor, and a Buzzer. Rest of the steps, circuit assemblies, software code are ensued in this tutorial. I hope this would excite few electronics newbies out there.
1 x USB Type-B Cable
1 x Ultrasound Ultrasonic Sensor HC-SR04
1 x Buzzer
1 x Breadboard or Mini Breadboard
1 x 9V Battery Snap or 9V Battery Holder
http://news.chivindo.com/664/entry-level-door-monitoring-alarm-system.html
I had no idea who this person was, when did he come and since how long was he enjoying his unsolicited stay just outside my cabin? You must be thinking what a fool I am but you gotta trust me on this, my office is one of the creepiest that one can get anywhere. Seriously!
I had an Arduino UNO clone ready at my disposal. So, all that I needed was an ultrasound sensor, and a Buzzer. Rest of the steps, circuit assemblies, software code are ensued in this tutorial. I hope this would excite few electronics newbies out there.
Step 1: What You Need?
1 x Arduino UNO1 x USB Type-B Cable
1 x Ultrasound Ultrasonic Sensor HC-SR04
1 x Buzzer
1 x Breadboard or Mini Breadboard
1 x 9V Battery Snap or 9V Battery Holder
Male-to-Male Jumper Wires
1 x Computer with Arduino IDE installed
Optional
1 x Computer with Arduino IDE installed
Optional
Arduino Uno R3 Acrylic Transparent Casing Box
Ultrasound Ultrasonic Sensor HC-SR04 Holder
USB To Power Jack Cable
Female-to-Male Jumper Wires
Ultrasound Ultrasonic Sensor HC-SR04 Holder
USB To Power Jack Cable
Female-to-Male Jumper Wires
Don't have components? Don't worry. Just click the component's name.
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