Arduino Channel Relay

5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC

KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

1PCS 5V 16 Channel Relay Module for Arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

5V 12V 24V high and low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino low level

ESP32‑S3 Single Channel Relay Module WiFi BLE Development Board 2x20Pin USB UART Burning DC5‑60V Power Supply for Arduino

16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

5pcs/lot 1 Channel Relay Module 5V Shield for Arduino AVR ARM PIC DSP SRD-05VDC-SL-C

LILYGO® T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino

ESP32‑S3 N16R8 WiFi BT Single‑Channel Relay Module Development Board DC5‑60V Compatible with ESP‑IDF for Arduino IDE ESP32 S3

ESP32S 4 Channel WiFi Bluetooth Relay Module 2.4G Antenna Smart Home IoT DIY Remote Control Switch For Arduino

10PCS KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

50PCS KY-019 5V 1-Channel Relay Module Opto-Isolated for Arduino/ESP32/Raspberry Pi Home Automation Low/High Level Trigger

5pcs Relay Module 1 Channel 5V 9V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger For Arduino

ESP32‑S3 Single Channel Relay Module WiFi Bluetooth Development Board USB UART Burning 2x20Pin DC5‑60V Power Supply for Arduino

3PCS Kidsbits One Channel Relay Module STEM Electronic Building Blocks Compatible with Lego Blocks for Arduino DIY Project

10pcs KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino 1 Way Relays Board DIY Electronic Kit

16 Channel Relay Shield Module DC 5V 12V 24V With Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

Y43A-ESP8266 Wireless WIFI 4 Channel Relay Module ESP-12F Wifi Development Board For Arduino AC/DC 5V/8-80V Power Supply

12V 5V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power

1pcs Arduino Relay Shield v3.0 4-channel High Power Relay Expansion Board seeedstudio

WAVGAT 12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino

Modbus RTU Relay Module 7V 24V RS485 TTL 1 Channel Input Output with Reverse Polarity Protection for Arduino PLC

10pcs 5V 12V 1 One Channel Relay Module Low Level For SCM Household Appliance Control For arduino DIY Kit

433 MHz Superheterodyne RF Receiver 1527 Learning Code Decoder Switch Module 4CH Output For Arduino Uno Wireless Remote Diy Kit

10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino