Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a Seeeduino microcontroller, a multiplexer (mux pca), two Adafruit DRV2605L haptic motor drivers, and two vibration motors. The circuit is designed to control the vibration motors using the haptic motor drivers, which are managed by the Seeeduino through the multiplexer.

Component List

1. Seeeduino

   • Description: A microcontroller board based on the ATmega328P.
   • Pins: 5V, GND, 3V3, SDA, SCL

2. mux pca

   • Description: A multiplexer used to expand the I2C bus.
   • Pins: Vin, GND, SDA, SCL, SCL3, SD3, SC0, SD0

3. Adafruit DRV2605L (x2)

   • Description: A haptic motor driver for controlling vibration motors.
   • Pins: VIN, GND, SCL, SDA, IN/TRIG, OUT+, OUT-

4. Vibration motors (x2)

   • Description: Small motors used to create vibration.
   • Pins: Positive, Negative

Wiring Details

Seeeduino

• 5V is connected to:

  • Vin of mux pca
  • VIN of Adafruit DRV2605L (both instances)

• GND is connected to:

  • GND of mux pca
  • GND of Adafruit DRV2605L (both instances)

• SDA is connected to:

  • SDA of mux pca

• SCL is connected to:

  • SCL of mux pca

mux pca

• Vin is connected to:

  • 5V of Seeeduino

• GND is connected to:

  • GND of Seeeduino

• SDA is connected to:

  • SDA of Seeeduino

• SCL is connected to:

  • SCL of Seeeduino

• SCL3 is connected to:

  • SCL of Adafruit DRV2605L (first instance)

• SD3 is connected to:

  • SDA of Adafruit DRV2605L (first instance)

• SC0 is connected to:

  • SCL of Adafruit DRV2605L (second instance)

• SD0 is connected to:

  • SDA of Adafruit DRV2605L (second instance)

Adafruit DRV2605L (first instance)

• VIN is connected to:

  • 5V of Seeeduino

• GND is connected to:

  • GND of Seeeduino

• SCL is connected to:

  • SCL3 of mux pca

• SDA is connected to:

  • SD3 of mux pca

• OUT+ is connected to:

  • Negative of the first vibration motor

• OUT- is connected to:

  • Positive of the first vibration motor

Adafruit DRV2605L (second instance)

• VIN is connected to:

  • 5V of Seeeduino

• GND is connected to:

  • GND of Seeeduino

• SCL is connected to:

  • SC0 of mux pca

• SDA is connected to:

  • SD0 of mux pca

• OUT+ is connected to:

  • Negative of the second vibration motor

• OUT- is connected to:

  • Positive of the second vibration motor

Vibration motors

• First Vibration Motor:

  • Negative is connected to:
    • OUT+ of the first Adafruit DRV2605L
  • Positive is connected to:
    • OUT- of the first Adafruit DRV2605L

• Second Vibration Motor:

  • Negative is connected to:
    • OUT+ of the second Adafruit DRV2605L
  • Positive is connected to:
    • OUT- of the second Adafruit DRV2605L

Code

No code is provided for this circuit.