4 канала многофункциональное электрическое полезное оборудование цепи релейный модуль розетка Щит Плата управления стабильные поставки для Arduino

Description:
1. Relay type: electromechanical relay channels.
2. Communication format: TTL voltage.
3. 4-way relay module, Connectors: screw terminals.
4. 5V voltage, shield compatibility for Arduino.
5. The control pin has a pull-down circuit to prevent malfunction relay vacant.
Specifications:
Color: as shown
Feature: 4-way
Voltage: 5V
Mounting holes: pin
Size(approx.): mini size, suitable for Arduino
Package Included:
1PC * Relay Module
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2cm differences due to manual measurement.