UK
Lysignal DC 5V 4 Channel Relay Module with optocoupler for PIC AVR DSP ARM High Low Level Trigger for Arduino
by Lysignal
New from:
£8.99
Shipping:
see website
Prices may incl. VAT *
Last refresh Dec/22/2018 09:13 PM
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Module interface specifications:
1. DC+ : DC power supply positive pole
2. DC- : DC power supply negative pole
3. IN1~IN4 : relay signal triggering pin
Relay output:
1. Normally closed pin (NC1~NC4) : relay normally closed pin
2. Common pin (COM1~COM4) : relay common pin
3. Normally opened pin (NO1~NO4) : relay normally opened pin
High or low level trigger option:
1. S1~S4:They are option switch for relay 1~4
2. It is low level triger if COM pin connect to LOW pin
3. It is high level triger if COM connect to High
Specifications:
Working voltage: 5V
Channel:4 channel
Size: 73mm(L)*50mm(W)*18.5mm(H)
Package include:
1 * 4 Channel Relay Module
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