Module13.2 4Relay

SKU:M121

Description

Module13.2 4Relay is a relay module compatible with M5Core/Core2 controllers, featuring 4 mechanical relay control channels (NO, COM). The module uses the I2C communication protocol, effectively saving IO resources. The jumper cap design allows switching between active/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, making it suitable for controlling small load circuits.

Features

Embedded STM32F030F4 controller:
- I2C communication interface (addr: 0x26)
Relays:
- 4 x relay control (COM, NO interface)
- Maximum load capacity 24W (DC 24V@1A)
Supports two working modes (controlled by jumper caps):
- Active control:
  - Power input connected to the relay NO interface, directly powering the load.
- Passive control:
  - Power input not connected to the relay interface; user circuit must include power.
Power input (DC only):
- DC 5-24V INPUT -> M5 BUS HPWR bus (controlled by jumper caps, when stacking multiple M5 modules, the HPWR bus can power other modules requiring 24V, such as the SERVO2 module)
Development platforms:
- UIFlow (coming soon), Arduino

Includes

1 x 4Relay Module
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
Main control chip	STM32F030F4
Communication interface	I2C (addr: 0x26)
Supported working modes	Active control / Passive control
Number of 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)
Relay terminal block spec	2.54-2P
Single relay power consumption	5V@40mA
Coil actuation time	6ms
Coil release time	4ms
Net weight	37.2g
Gross weight	37.6g
Product dimensions	54.2 x 54.2 x 13.2mm
Package dimensions	95 x 65 x 25mm