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T-Relay 5V 8-Channel Relay Module for Arduino ESP32 Wireless Development Board with WIFI Bluetooth and Optocoupler Isolation
1/2/4/8 Channel Relay Module 5V 12V 24V Optocoupler Isolation High Low Level Trigger Relay Board For MCU Arduino DIY
5V 12V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power 16Channel
1Pcs 4 Channel 5V Relay Module with Optocoupler Isolation, Low Level Trigger Relay Board for Arduino DIY Project
16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit
1-100PCS KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay DIY Kit Electronics Components
8 Channel 12V 24V Relay Shield Module RS485 PLC IO Expanding Board For Arduino NANO V3.0
5V 12V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation
8PCS DC 5v 1 Channel Relay Module Shield for Raspberry Pi with Optocoupler Support High and Low Level Trigger for Arduino
ESP32‑S3 N16R8 WiFi BT Single‑Channel Relay Module Development Board DC5‑60V Compatible with ESP‑IDF for Arduino IDE ESP32 S3
SunFounder 4 Channel 5V Relay Shield Module for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
6 Channel Relay Module 5V 12V 24V Relay Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Arduino
5PCS 2 Channel 5V 10A Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino STM32 Raspberry Pi
5V 12V 24V 1 Channel Relay Module Low Level for SCM Household Appliance Control for Arduino 1 Way Relays DIY Electronic Kit
ESP32 Relay Module AC DC AC220V Power Supply WiFi Bluetooth-compatib BLE 2 Channel Dual Relay ESP32 Secondary Development Board
Caspian store100Pcs 1-Channel 5V/12V Relay Module, Low Level Trigger, Opto-Isolated for Arduino/SCM
5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects
4 Channel 3A 240V Wireless Relay Module Opto-isolator Xbee Bluetooth Bee Relay Shield Expansion Board Switch For Arduino HomeApp
16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit
Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino
10/20/50/100PCS UMW ULN2003A SOP‑16 SMD Darlington Transistor Array Chip 7‑Channel Relay Driver IC For Arduino
Keyestudio High Level 4 Channel 5V Relay Shield Module with LED Pilot Lamp For Arduino UNO R3 For High Current Device Control
2016 China Wholesale 5V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation
HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board
4 Channel Relay Module DC5V 12V 24V Low Pulse Trigger Delay Self-locking Interlock Power Sequencer for Arduino Car
10pcs 5V 12V 1 One Channel Relay Module Low Level For SCM Household Appliance Control For arduino DIY Kit
10pcs 5V 12V Low Level Trigger 1 channel relay module With Optocoupler Output 1 way relays module for AVR DSP ARM MCU arduino
5V 1 One Channel Relay Module Low Level for SCM Household Appliance Control for arduino DIY Kit
Modbus RTU Relay Module 7V 24V RS485 TTL 1 Channel Input Output with Reverse Polarity Protection for Arduino PLC
4Pcs Relay Module Single Channel Control Relay Board Compatible for Arduino Arm Avr Appliances Control Module 5V
5Pcs Keyes 1 Channel Relay Module 5V Shield AVR ARM PIC DSP SRD-05VDC-SL-C With 20CM 20Pin Dupont Cable for Arduino
10pcs 2 Channel DC 5V 12V 24V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino 2 Way Relays Board