EC Buying 2Pcs XL9535-K1V5 Relay Control Module 1-Channel Expandable Relay Board IIC 5V Communication Optocoupler Isolation
DWEII 4pack 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion red Board for Raspberry Pi Arduino
Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay Module, Isolated RS485 Interface, Xtensa 32-bit LX7 Dual-core Processor, 240MHz, Multiple Isolation Protection Circuits, PoE Ethernet Port
DIN Rail Mounting 8-Channel Multifunctional Bistable Relay Module
KRIDA Electronics 8 Channel I2C Interface Relay Module for Arduino, Raspberry PI, Home Assistant YAML, ESP32, 10A Peak LED Indicator, SPDT Switch Contacts, AC DC Voltage Control, I2C I/O pin Expander
AEDIKO 8 Channel Solid State Relay Module Board DC 5V High Level Trigger with Fuse
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5)
Electronics-Salon DIN Rail Mount 8 DPDT Signal Relay Interface Module. (Operating Voltage: DC 12V)