![ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V) ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V)](https://m.media-amazon.com/images/I/61aCv6oGyKL._AC_UF350,350_QL80_.jpg)
ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V)
![Trying to connect this 12v relay to my Arduino to control two 12v diaphragm pumps and I need some help. What is the (DC-) connector? My 5v relay has a GND connector, Trying to connect this 12v relay to my Arduino to control two 12v diaphragm pumps and I need some help. What is the (DC-) connector? My 5v relay has a GND connector,](https://preview.redd.it/f3kqswvxvss61.jpg?width=640&crop=smart&auto=webp&s=9294028c6dbe9f123a921e3203100164b8008b16)
Trying to connect this 12v relay to my Arduino to control two 12v diaphragm pumps and I need some help. What is the (DC-) connector? My 5v relay has a GND connector,
![5pcs/lot One 1 Channel 5v / 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino - Integrated Circuits - AliExpress 5pcs/lot One 1 Channel 5v / 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HTB1IZGPicIrBKNjSZK9q6ygoVXak/5PCS-LOT-One-1-Channel-5V-12V-Relay-Module-Board-Shield-with-Optocoupler-Support-High-and.jpg)
5pcs/lot One 1 Channel 5v / 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For Arduino - Integrated Circuits - AliExpress
![One 1 Channel 5V / 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress One 1 Channel 5V / 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress](https://ae01.alicdn.com/kf/HTB11.cAlkUmBKNjSZFOq6yb2XXa1.jpg)
One 1 Channel 5V / 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress
![5v/12v 1 One Channel Relay Module Low Level For Scm Household Appliance Control For Arduino Time Relay Diy Kit - Relays - AliExpress 5v/12v 1 One Channel Relay Module Low Level For Scm Household Appliance Control For Arduino Time Relay Diy Kit - Relays - AliExpress](https://ae01.alicdn.com/kf/Hdd600bde3bf940b787c10699d458974eV/5V-12V-1-One-Channel-Relay-Module-Low-Level-For-SCM-Household-Appliance-Control-For-Arduino.jpg_Q90.jpg_.webp)
5v/12v 1 One Channel Relay Module Low Level For Scm Household Appliance Control For Arduino Time Relay Diy Kit - Relays - AliExpress
![Arduino And Relay, some help for this little 12v project - Motors, Mechanics, Power and CNC - Arduino Forum Arduino And Relay, some help for this little 12v project - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/3/4/0/3405a8fce01beba705acc68ca43dcbf49a2f4b4d_2_690x394.jpeg)
Arduino And Relay, some help for this little 12v project - Motors, Mechanics, Power and CNC - Arduino Forum
![One 1 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino: Amazon.com: Industrial & Scientific One 1 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71d7oiIXmqL._AC_UF1000,1000_QL80_.jpg)
One 1 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino: Amazon.com: Industrial & Scientific
![One 1 Channel 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger Power Supply Module For Arduino - Integrated Circuits - AliExpress One 1 Channel 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger Power Supply Module For Arduino - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/H45f94e8cde8745f79fd2dfc6cc137a3dO/One-1-Channel-12V-Relay-Module-Board-Shield-With-Optocoupler-Support-High-And-Low-Level-Trigger.jpg_Q90.jpg_.webp)
One 1 Channel 12v Relay Module Board Shield With Optocoupler Support High And Low Level Trigger Power Supply Module For Arduino - Integrated Circuits - AliExpress
![ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V) ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V)](https://m.media-amazon.com/images/I/61ET95H7hDL._AC_UF350,350_QL80_.jpg)
ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V)
![How to use 12V Relay module with Arduino to control High Voltage Devices | How Relay Module works - YouTube How to use 12V Relay module with Arduino to control High Voltage Devices | How Relay Module works - YouTube](https://i.ytimg.com/vi/uniaiJmSch0/maxresdefault.jpg)