1/2/5pcs 1 Channel Relay Module 12V 1 way low level trigger interface Board Shield For PIC AVR DSP
Aliexpress UK
4、High/low level trigger can be switched. 5、Available in three style for you. Made of the high quality miniature optocoupler, anti-interference ability, stable performance. High/low level trigger can be switched.
eBay
DC 5V-30V Dual MOS Time Delay Relay High Level Trigger LED Digital Display Cycle Time Timer Delay
Aliexpress UK
Made of the high quality miniature optocoupler, anti‑interference ability, stable performance. Made of the high quality miniature optocoupler, anti-interference ability, stable performance. High/low level trigger can be switched.
eBay
LED Dual MOS Time Delay Relay DC 5V-30V High Level Trigger 12V 24V 0-999 Digital Display Cycle Time
Aliexpress UK
4、High/low level trigger can be switched. 5、Available in three style for you. Made of the high quality miniature optocoupler, anti-interference ability, stable performance. High/low level trigger can be switched.
eBay
DC 12V 24V LED Digital Time Delay Relay High level trigger Cycle Timer Delay Switch Circuit Timing
Aliexpress UK
eBay
1 2 4 8 channel High Level Trigger DC Control DC Solid-State Relay Module Single-Phase Electric
Aliexpress UK
2, using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;. 6, the power indicator (green), relay status indicator (red). 1, NO: normally open relay interface, the relay before the vacant after the pull shorted with COM.
eBay
5V High Level Trigger One Two Four Eight 1 2 4 8 Channel Relay Module Interface Board PIC AVR DSP
Aliexpress UK
When com is shorted to low, the corresponding relay is a low level trigger. When com is shorted to high, it is a high level trigger. Using double optocoupler isolation, strong drive capability, stable performance; trigger current 5mA;.
eBay
TZT 5V Relay 1 2 4 8 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For
Aliexpress UK
There is a signal light for each channel to clearly know which switch is working. Particularly suitable for the electronic circuit design of students in colleges and universities, can be connected with a single chip, or add a first level amplifier to drive a relay or a small DC motor.
eBay
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress UK
4、High/low level trigger can be switched. 5、Available in three style for you. Made of the high quality miniature optocoupler, anti-interference ability, stable performance. High/low level trigger can be switched.
eBay