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17. Prototype - Alarm device using Human Touch sensor (KY-036)

In this project, I will be designing an alarm device that will be triggered by a touch. For this project you will be needing a human touch sensor (KY-036).  Let me give you a glimpse of this project.


As you can see in the images above, the touch sensor has a pin, bent over the transistor, which will complete the circuit by a touch. The alarm will be set off when you touch the pin of the sensor, turning the LED red and activating the buzzer.

Schematic of KY-036:

Supplies

  • Arduino Uno/ Nano
  • USB cable (USB 2.0 Type A male to B male Cable)
  • Solderless Breadboard
  • Human Touch sensor module (KY-036)
  • Two-colour LED module (KY-011)
  • Active buzzer module (KY-012)
  • 10cm male-to-male jumper wires (x5)
  • 70 cm male-to-male jumper wires (x6)

Setup


For more information about the setup, please watch the YouTube video posted in the bottom of this page.

Connections

  • Buzzer module - D3
  • Green (KY-011) - D4
  • Red (KY-011) - D5
  • Digital Output (DO) of Human Touch sensor - D6
  • VCC(+) of Human Touch sensor - 5V
  • (-) of Human Touch sensor - GND (Ground)

Coding

Final Look

If anyone has any suggestions or complaints about this project, please comment below or email me at arduinoprojectsbyr@gmail.com

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