8 CH Active H/L 5V Relay Module

8 CH Active H/L 5V Relay Module

  • รหัสสินค้า: BB-RELAY-5V-08
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40 Ways Male to Female Jumper Wire

40 Ways Male to Female Jumper Wire

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Relays are always good to have especially for electronics projects. Relay itself offers two main benefits:

  • Isolation of low voltage system against high voltage system, example 5VDC and 240VAC
  • Allow electronics with low voltage to control high power load, example from Arduino to AC light bulb.

This is not an ordinary Relay breakout. It comes with 8 channels of 5V activation relay, ready to control 250VAC at 10A. Extra isolation with opto-coupler at the front end of control, and the activation logic for each channel is configureable via mini jumper. In simple words, each relay can be configured as 5V(High) activation or 0V(Low) activation. And Yes, each relay, individually. This is the universal Relay breakout board that I like.

This is ready breakout board with eight (8) 5V activated relays, with 3 screw terminals for each relay (NO, NC, COM) and screw terminals for control signal from microcontroller such as Arduino. Each control signal is opto-isolated, protected. It even comes with activation LED indicator for each relay. Easy to use and suitable for beginner, and of course student too.

If you need to control AC or high current, high voltage load, this will be the perfect board.

Features:

  • 5V 8 channels relay module
  • Configureable Activation Logic, High or Low, via mini jumper
  • Maximum Current Rating: 10A
  • Maximum Voltage Rating: AC 250V
  • Can control various appliances with large current and high voltage
  • Can be controlled directly by microcontroller such as Arduino, 8051, AVR, PIC, DSP and ARM
  • Build in 8 units of Opto-Isolator for extra isolation and protection to controller.
  • A power indicator LED
  • Each relay comes with an indicator LED

Resources:

can this relay control dc ( ahmad, 30/08/2019 )
Hi, you can use this relay to turn ON or OFF the dc
1) Each relay pin control to common ground (DC-) or common power (DC+) for active high and active low pin setting?
2) Since opto isolator is used, what is the voltage to each control pin (S1-8) range to be high and low?
3) Can DC+ / DC- voltage (to relay) be higher than 5V like 12V?
4) What is the total current consumption when all relays are energized?
( D. J. Park, 05/07/2019 )
1) Each relay pin control to common ground (DC-) or common power (DC+) for active high and active low pin setting?
-Common Ground

2) Since optoisolator is used, what is the voltage to each control pin (S1-8) range to be high and low?
- We have no data about that but from test
HIGH mode: 3.3 volt can activate the relay

3) Can DC+ / DC- voltage (to relay) be higher than 5V like 12V?
- Yes but will shorten relay life

4) What is the total current consumption when all relays are energized?
- we don't have that data.

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    แท็ก: 8 channels, Opto isolated, Active High, Active Low