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Relay Boards

Relay Boards

Range of active low relay boards with various number of channels. The boards feature either 5V or 12V relays capable of being switched on-off by an opto-isolated digital input. The relays are controlled by a microcontroller connected to the output pin and require a minimum 1V to switch the inputs ON.

Suitable for 5V and 3.3V devices, these boards are perfect for Raspberry Pi, Arduino, PIC and various other microcontrollers.

• 1, 2, 4, 8 &16 Channels
• 10A 250VAC relay rating
• 5V or 12V power supply
• Fully opto-isolated input signals
• 1-12V input signals
• Indicator LEDs for each relay
• 4 mounting holes
5V 1-Channel Relay Board Module
1+
£1.39
10+
£1.24
25+
£1.12

Out of stock

5V 1-Channel Low Level Trigger Relay Module With Optocoupler
1+
£1.26
10+
£1.06
25+
£0.91

In Stock

5V 2-Channel Relay Board Module
1+
£2.05
10+
£1.76
25+
£1.61

In Stock

5V 4-Channel Relay Board Module
1+
£3.29
10+
£2.84
25+
£2.54

Out of stock

5V 8-Channel Relay Board Module
1+
£5.80
10+
£5.22
25+
£4.84

In Stock

5V 16-Channel Relay Board Module Low Trigger
1+
£14.95
10+
£13.93
25+
£13.31

In Stock

12V 1-Channel Relay Board Module Active Low
1+
£1.54
10+
£1.34
25+
£1.21

In Stock

12V 2-Channel Relay Board Module Active Low
1+
£1.82
10+
£1.67
25+
£1.54

In Stock

12V 4-Channel Relay Board Module Active Low
1+
£3.56
10+
£3.08
25+
£2.80

In Stock

12V 8-Channel Relay Board Module Active Low
1+
£5.96
10+
£5.52
25+
£5.20

Out of stock

5V 1 Channel Solid State Relay Board
1+
£1.98
5+
£1.63
10+
£1.40

Out of stock

5V 2 Channel Solid State Relay Board
1+
£4.68
5+
£4.22
10+
£3.76

In Stock

5V 4 Channel Solid State Relay Board
1+
£7.66
5+
£6.40
10+
£5.62

Out of stock

5V 8 Channel Solid State Relay Board
1+
£13.44
5+
£12.32
10+
£11.58

Out of stock