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Overall, the eight-channel relay supports many applications. 5. 8 Channel Relay Module ApplicationsĪ home automation system features an eight-channel relay module
![8 relay module 8 relay module](https://www.lxxtech.com/upload/images/20131115_023907.jpg)
The table below lists the technical specifications of an eight-channel relay. Source: 4. 8 Channel Relay Module Specifications To illustrate its design, we included an eight-channel relay module circuit diagram below: We included a table below to explain the eight-channel relay’s pins.
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Furthermore, this module powers electronic devices, including fans, air conditioners, and lights.Ī raspberry pi board 2. Pins Description of 8 Channel Relay Module And this happens due to the inductive load coils.Īrduino and Raspberry pi boards can also integrate with the 8-channel LOW-level trigger relay. Above all, freewheeling diodes stop voltage spikes from occurring on the transistors when the relay deactivates. For this purpose, it provides easy connectivity with female jumper wires. The input jumper consists of GND, VCC, and input pins. Meanwhile, optocouplers generate another isolation layer between the inputs and load. Additionally, every channel shares a connection with the input ground. It also serves as a switch via circuit disruption. In effect, this creates an entirely connected circuit for an electrical current to flow through. As a result, the process forces flexible relay contacts to move. Thus, these relays carry magnetic coils that rely on electric flow to produce a magnetic field.
![8 relay module 8 relay module](http://images.linnlive.com/e9d17265bce8102dfe3ed3c77033056a/82f5618e-dd14-487d-9015-3b2cd2a0aa4d.jpg)
Furthermore, screw terminals make it much easier to create connections with the mains’ wiring.Īn eight-channel relay consists of eight 5V relays.Īdditionally, all relays feature a similar circuit. Once the relay coil energizes, the LED indicators illuminate, verifying that the relay functions. Thus, allowing high voltage controllability via low voltage. At the same time, sensors and microcontrollers can connect to it with minimal connections. It also contains eight terminal blocks, with each block sharing two relays. In fact, these include eight 5V relays along with switching and isolating components. An eight-channel relay module is an electronic device.
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