Things used in this project

Hardware components:
R8326274 01
Raspberry Pi 2 Model B
1982 00
Adafruit Capacitive Touch Sensor Breakout - MPR121
Adafruit industries ada1536 image
Software apps and online services:
Microsoft Azure


Connect the Raspberry Pi 2 or 3 with the configurations listed below:
To get this to work, follow the steps below:
Without giving power to the Raspberry Pi yet, make sure you have connected the touch sensor to the Raspberry Pi as per below.

GND of touch sensor to GND (Pin 6) of Raspberry Pi
VCC of touch sensor to 5V PWR (Pin 2) of Raspberry Pi
SIG of touch sensor to GPIO 2 (Pin 3) of Raspberry Pi
Note: GND, VCC and SIG are specified near the touch sensor pins.

Follow this setup for connections with the Buzzer:

- RED of Buzzer to GPIO 4 (Pin 7) of Raspberry Pi
- BLACK of Buzzer to GND (Pin 9) of Raspberry Pi
Refer the Image for Pin mapping.
Pinmapping si9q92jqpz


Follow the
All instructions are given in


Ali Mustafa
1 project • 0 followers
I touch the Future I Teach | Google Crowdsource Mumbai 🚀| Web Dev (Python + PHP ) | Speaker 🔊 | Featured by @Google on fb for Crowdsource
Thanks to Saif Inamdar and Aishwariya Muchandi.


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