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
| Driver Chip | EG27324 |
| MOSFET | FDD8447L |
| Maximum Output Power | 100W |
| Input Voltage Range | DC 12V-24V |
| Number of Drive Channels | 1 |
| Net Weight | 28.9g |
| Gross Weight | 37.3g |
| Product Dimensions | 24 * 48 * 18mm |
| Package Size | 54 * 54 * 20mm |
Resources
- Product Wiki
- Schematic
- Datasheets
- FDD8447L
- EG27324
- ME3116AM6G
Pinout
| ATOM | G22 |
| EG27324 | INA |
Arduino Example
#include #define SIGNAL 22int 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); }}



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