Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Adafruit MPR121 capacitive touch sensor and an Adafruit Feather 32u4 Bluefruit microcontroller. The circuit is designed to interface the touch sensor with the microcontroller for touch detection and processing.

Component List

Adafruit MPR121

• Description: Capacitive touch sensor controller
• Pins: ELEC11, ELEC10, ELEC9, ELEC8, ELEC7, ELEC6, ELEC5, ELEC4, ELEC3, ELEC2, ELEC1, ELEC0, GND, VCC, 3.3V, SCL, SDA, INT, ADDR

Adafruit Feather 32u4 Bluefruit

• Description: Microcontroller with Bluetooth Low Energy (BLE) capabilities
• Pins: DFU, 1/TX, 0/RX, MISO, MOSI, SCK, A5, A4, A3, A2, A1, A0, GND, AREF, +3V3, RST, VBAT, EN, VBUS, 13, 12, 11, 10, 9, 6, 5, 3, 2

foothold3

• Description: Placeholder component
• Pins: None

Wiring Details

Adafruit MPR121

• 3.3V connected to Adafruit Feather 32u4 Bluefruit pin +3V3
• GND connected to Adafruit Feather 32u4 Bluefruit pin GND
• SCL connected to Adafruit Feather 32u4 Bluefruit pin 3
• SDA connected to Adafruit Feather 32u4 Bluefruit pin 2

Adafruit Feather 32u4 Bluefruit

• +3V3 connected to Adafruit MPR121 pin 3.3V
• GND connected to Adafruit MPR121 pin GND
• 3 connected to Adafruit MPR121 pin SCL
• 2 connected to Adafruit MPR121 pin SDA

foothold3

• No connections

Code Documentation

There is no code provided for the microcontrollers in this circuit.

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This document provides a comprehensive overview of the components and their interconnections in the circuit. For further details or modifications, please refer to the respective datasheets and technical documentation of the components used.