Design with Adafruit DC+Stepper FeatherWing in Cirkit DesignerThe Adafruit DC+Stepper FeatherWing is a versatile motor driver add-on board designed for use with the Adafruit Feather development boards. This component allows users to control up to 2 stepper motors or 4 DC motors with PWM speed control. It is an ideal choice for hobbyists and engineers who are looking to create projects that require precise motor control, such as robotic arms, automated tools, or custom vehicles.
This circuit is a remote-controlled system that uses an Arduino UNO to interface with an RC receiver module and control four DC motors via an Adafruit DC+Stepper FeatherWing. The motors are powered by a 12V battery, and the system includes a rocker switch for power control.
Open Project in Cirkit Designer
This circuit features an Adafruit HUZZAH32 ESP32 Feather board as the central microcontroller, which is connected to an Adafruit Quad AlphaNumeric Featherwing display and an Adafruit ADXL343 accelerometer via I2C communication (SCL and SDA lines). The ESP32 controls a vibration motor connected to one of its GPIO pins (A5_IO4) and shares a common power supply (3.3V) and ground (GND) with the other components. The purpose of this circuit is likely to read acceleration data, display information on the alphanumeric display, and provide haptic feedback through the vibration motor.
Open Project in Cirkit Designer
This circuit features two 28BYJ-48 stepper motors controlled by ULN2003A breakout boards, interfaced with a NodeMCU V3 ESP8266 microcontroller. The NodeMCU collects environmental data from a DHT11 temperature and humidity sensor and an MQ-135 air quality sensor. The microcontroller uses WiFi for connectivity and controls the stepper motors based on the sensor inputs, likely for regulating environmental conditions.
Open Project in Cirkit Designer
This circuit consists of an Arduino UNO connected to an Adafruit OLED FeatherWing display via I2C communication (SDA and SCL lines). The Arduino is powered through a Vcc source and provides 3.3V and GND connections to the OLED display. The Arduino runs a program to display 'Hello, World!' on the OLED screen.
Open Project in Cirkit Designer| Pin | Function | Description |
|---|---|---|
| A1, A2 | Motor A Terminals | Connect to motor A or coil 1 of a stepper motor |
| B1, B2 | Motor B Terminals | Connect to motor B or coil 2 of a stepper motor |
| C1, C2 | Motor C Terminals | Connect to motor C (DC motor use only) |
| D1, D2 | Motor D Terminals | Connect to motor D (DC motor use only) |
| GND | Ground | Common ground for logic and motor power |
| VIN | Motor Power Supply | Input for motor power (4.5V to 13.5V) |
| 3Vo | Logic Power Output | 3.3V output (from Feather board) |
| SDA, SCL | I2C Data/Clock | I2C communication pins |
| PWM | PWM Input | Pulse Width Modulation input for speed control |
Power Connections:
Motor Connections:
Control Interface:
PWM Speed Control:
#include <Wire.h>
#include <Adafruit_MotorShield.h>
// Create the motor shield object with the default I2C address
Adafruit_MotorShield AFMS = Adafruit_MotorShield();
// Connect a stepper motor with 200 steps per revolution (1.8 degree)
// to motor port #2 (M3 and M4)
Adafruit_StepperMotor *myMotor = AFMS.getStepper(200, 2);
void setup() {
Serial.begin(9600); // Start serial communication.
AFMS.begin(); // Create with the default frequency 1.6KHz.
myMotor->setSpeed(10); // Set the speed to 10 rpm.
}
void loop() {
myMotor->step(100, FORWARD, SINGLE);
Serial.println("Stepped 100 steps forward, single coil steps.");
delay(1000);
}
Note: This example assumes the use of an Adafruit Motor Shield library, which may need to be modified for direct use with the FeatherWing. The code provided is for illustrative purposes and may require adjustments for specific Feather boards.
Q: Can I control more than one FeatherWing at a time? A: Yes, you can stack multiple FeatherWings, but you will need to manage different I2C addresses for each one.
Q: What is the maximum number of motors I can control with one FeatherWing? A: You can control up to 4 DC motors or 2 stepper motors with a single FeatherWing.
Q: Can I use this FeatherWing with other development boards besides Feather? A: While designed for Feather boards, it is possible to use the FeatherWing with other development boards that support I2C communication and meet the logic voltage requirements. However, additional wiring and code adjustments may be necessary.