basic motor driver shield test

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:d1_mini]
+platform = espressif8266
+board = d1_mini
+framework = arduino
+
+monitor_speed = 57600
+
+lib_deps =
+    https://github.com/thomasfredericks/wemos_motor_shield

src/main.cpp

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+#include<Arduino.h>
+#include <Wire.h>
+
+
+#include "WEMOS_Motor.h"
+
+//follow firmware flash guide for new wemos motor shield v1.0  https://github.com/thomasfredericks/wemos_motor_shield
+
+
+//Motor shield default I2C Address: 0x30
+//PWM frequency: 1000Hz(1kHz)
+Motor M1(0x30, _MOTOR_A, 1000); //Motor A
+Motor M2(0x30, _MOTOR_B, 1000); //Motor B
+
+
+void setup() {
+  
+  
+  Serial.begin(57600);
+  Serial.println("Starting demo");
+
+  
+}
+
+void loop() {
+
+  int pwm;
+
+  for (pwm = 0; pwm <= 100; pwm++)
+  {
+    M1.setmotor( _CW, pwm);
+    M2.setmotor(_CW, pwm);
+    Serial.print("Clockwise PWM: ");
+    Serial.println(pwm);
+    delay(100);
+  }
+
+  Serial.println("Motor STOP");
+  M1.setmotor(_STOP);
+  M2.setmotor( _STOP);
+
+  delay(1000);
+
+  
+  for (pwm = 0; pwm <= 100; pwm++)
+  {
+    M1.setmotor(_CCW, pwm);
+    //delay(1);
+    M2.setmotor(_CCW, pwm);
+    Serial.print("Counterclockwise PWM: ");
+    Serial.println(pwm);
+    delay(100);
+
+  }
+
+  Serial.println("Motor A&B STANDBY");
+  M1.setmotor(_STANDBY);
+  M2.setmotor( _STANDBY);
+  delay(1000);
+
+}