M5Stack ATOM PWM Kit (FDD8447L)

The ATOM PWM from M5Stack is a single-channel PWM DC Driver with built-in MOSFET load capacity up to 12V@100W, suitable for high-power DC motor PWM speed control and industrial heating wire control applications.

Using ATOM LITE as the core controller (built-in ESP32), it has a wide PWM dynamic adjustment range (e.g., frequency of 5 kHz, duty cycle adjustment range 0-100%, resolution up to 13bit), and combined with the built-in WIFI function, it can also easily achieve remote control.

Supports UIFlow graphical programming for easy configuration of signal output and function expansion.

Atom Lite included!

Features

• Single channel low latency PWM signal output
• High power MOSFET, output capacity 12V@100W
• Reserved 1xGROVE expansion interface
• Built-in DC-DC (12V->5V) conversion circuit
• Easy installation, simple operation
• All-in-one design with protective cover
• Development platform: Arduino/UIFlow

Package Contents

• 1x ATOM PWM
• 1x ATOM LITE
• 1x M2 Hex Wrench
• 1x M2*8 cup head Machine screw
• 1x 3.96-4P terminal
• 1x TYPE-C USB data cable (20cm)

Specifications

Resources

• Product Wiki
• Schematic
• Datasheets
  • FDD8447L
  • EG27324
  • ME3116AM6G

Pinout

Arduino Example

#include 

#define SIGNAL 22

int freq = 10000;
int ledChannel1 = 0;
int resolution = 10;

void setup() {
  ledcSetup(ledChannel1, freq, resolution);
  ledcAttachPin(SIGNAL, ledChannel1);
}

void loop() {

    for(int i=0; i < 500; i++){
      ledcWrite(ledChannel1, i);
      delay(2);      
    }

    for(int i=500; i > 0; i--){
      ledcWrite(ledChannel1, i);
      delay(2);      
    }
}