Module13.2 4Relay v1.1

SKU:M121-V11

Description

Module13.2 4Relay v1.1 is a relay module with 4 mechanical relay control channels (NO, COM) onboard. The module uses the I2C communication protocol for control, effectively saving IO resources. The jumper cap design allows switching between active and passive working modes to meet different circuit requirements. This relay module only supports DC circuit switching, with a maximum load capacity of 24W (DC 24V @ 1A) per channel. It includes external power supply voltage detection and a DC-DC circuit to power the host. It is suitable for controlling the switching of small load circuits.

Features

STM32G030F6
I2C communication (addr: 0x26)
4 relay control channels, maximum load capacity 24W (DC 24V@1A)
Supports two working modes (active and passive)
Voltage detection
Compatible with Arduino, UIFlow, and other programming platforms

Includes

1 x Module13.2 4Relay v1.1
5 x 2.54mm-2P terminal blocks (green)
10 x jumper caps
1 x wiring manual

Applications

Solenoid valve control
DC circuit switching

Specifications

Specification	Parameter
MCU	STM32F030F4P6
Communication Interface	I2C (addr: 0x26)
Supported Working Modes	Active Control / Passive Control
Relay Channels	4x (COM, NO interface)
Power Input Interface	DC5521 female jack 5.5 x 2.1mm@5-24V (inner positive, outer negative)
Load Capacity	Maximum load capacity 24W (DC 24V@1A) per channel
Relay Terminal Block	2.54-2P
Single Relay Power Consumption	5V@40mA
Coil Activation Time	6ms
Coil Release Time	4ms
Product Size	54.0 x 54.0 x 19.7mm
Product Weight	38.0g
Package Size	95.0 x 66.0 x 26.0mm
Gross Weight	58.1g

Datasheets

Relay Datasheet

Schematics

Module13.2 4Relay v1.1 Schematics PDF

1/1

PinMap

M5Core	G22	G21	5V	GND
Module13.2 4Relay v1.1	SCL	SDA	VCC	GND

M5-Bus

PIN	LEFT	RIGHT	PIN
GND	1	2
GND	3	4
GND	5	6
	7	8
	9	10
	11	12	3V3
	13	14
	15	16
SDA	17	18	SCL
	19	20
	21	22
	23	24
HPWR	25	26
HPWR	27	28	5V
HPWR	29	30

Model Size

Softwares

Arduino

Internal Firmware

Module13.2 4Relay v1.1 Internal Firmware