Mini 3A Relay Unit

Description

RELAY, as its namesake, is a M5Unit that implenments a Relay functions. Relay can be used as an electrically operated switch, uses an electromagnet to mechanically operate a switch,to where it is necessary to control a large power load circuit by a separate low-power signal, like a digital signal output from a mircoprocessor. Up to 30V DC and 220V AC.

There are 3 pins named: ON, OFF, COM. You can program to make COM connect to ON or OFF, just by high and low out put of a digital GPIO.

Product Features

• Single-BUS control
• Up to 3A @ 30 V DC or 220 V AC
• Software Development Platform: Arduino, UIFlow(Blockly,Python)
• Two Lego-compatible holes

Kit includes

• 1x RELAY Unit
• 1x Grove Cable
• 1x 3.96 soket

Application

• Remote control of high-power appliances, such as refrigerators, Air Conditioners, TVs, etc.

Learn

Example

1. Arduino IDE

The code below is incomplete. To get complete code, please click here.

#include <M5Stack.h>  void setup() {   M5.begin();   M5.Lcd.clear(BLACK);   M5.Lcd.setTextFont(4);   M5.Lcd.setTextColor(YELLOW, BLACK);   //disable the speak noise   dacWrite(25, 0);   pinMode(26, OUTPUT);// RELAY Pin setting }  void loop(void) {   digitalWrite(26, HIGH);// RELAY Unit work   delay(500);   digitalWrite(26, LOW);// RELAY Unit stop work   delay(500); } 

2. UIFlow

To get complete code, please click here.

More information

Schematic

PinMap