Relay
5V 8-Channel Relay Module
The eight-channel relay module contains eight 5V relays and the associated switching and isolating components, which makes interfacing with a microcontroller or sensor easy with minimum components and connections.
5V Four-Channel Relay Module
The four-channel relay module contains four 5V relays and the associated switching and isolating components, which makes interfacing with a microcontroller or sensor easy with minimum components and connections. The contacts on
5V Dual-Channel Relay Module
The dual-channel relay module is more or less the same as a single-channel relay module, but with some extra features like optical isolation. The dual-channel relay module can be used to switch mains powered loads from the pins of a microcontroller.
5V Single-Channel Relay Module
Relay is an electromechanical device that uses an electric current to open or close the contacts of a switch. The single-channel relay module is much more than just a plain relay, it comprises of components that make switching
Relays and Contactors: Types, Working and Difference between them
Relays are basically switches which are primarily used for the protection of equipment. It generally uses two circuits – A control circuit and a power circuit.
12V Relay Switch
Relay Pinout Configuration
Pin Number
Pin Name
Description
1
Coil End 1
HK19F-12V DPDT Relay
DPDT Relay Pin Configuration
DPDT relay usually has eight pins. The default pin out of the DPDT relay varies depending on MODEL. Here we are taking HK19F-12V device as model.
5V 5-Pin Relay
Relay Pin Configuration
Pin Number
Pin Name
Description