Each adopts optocoupler isolation, which has strong anti-interference ability. Trigger mode: low level trigger, high level trigger. There is an LED indicator on each relay switch. Material: PCB circuit board.
eBay
WAVGAT 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low
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
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger
Aliexpress UK
Each relay output leads to the normally open and normally closed two sets of trigger, convenient and flexible to use. Dual Trigger design, using special two‑way driver IC design. Each relay has a pull indicator, relay working status clear at a glance.
eBay
Snvi 1pcs/5pcs 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module
Aliexpress UK
What is this?This multi channel relay module equipped with high current relays ensures electrical safety and stable control. Suitable for various microcontrollers, it features an easy to install design, offering high and low-level trigger mode options maintains stability, making it suitable for home automation, industrial control, and more, providing an efficient and reliable solution for your projects. What will I get?Material: Circuit boardColor: RedMaximum load: 250VAC/30VDCTrigger Current: 5mASize: 136x50x18.5 mm/5.4x2.0x0.7 Inch (LxWxH)In the package: 1 Pcs x Channel Relay ModuleAre there any advantages of the product?Designed with a PCB layout, our multi-channel relay module features a high-current relay, housed in a durable ABS shell for resistance.
eBay
TZT 1/5PCS 5V Vibrating Vibration Motor Module High and Low Level Vibration Mini Motor Module for
Aliexpress UK
What is this?This multi channel relay module equipped with high current relays ensures electrical safety and stable control. Suitable for various microcontrollers, it features an easy to install design, offering high and low-level trigger mode options maintains stability, making it suitable for home automation, industrial control, and more, providing an efficient and reliable solution for your projects. What will I get?Material: Circuit boardColor: RedMaximum load: 250VAC/30VDCTrigger Current: 5mASize: 50x41x18.5 mm/2.0x1.6x0.7 Inch (LxWxH)In the package: 2 Pcs x Channel Relay ModuleAre there any advantages of the product?Designed with a PCB layout, our multi-channel relay module features a high-current relay, housed in a durable ABS shell for resistance.
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5/10Pcs LR7843 Isolated MOSFET MOS Tube FET Module with High and Low Level Controller
Aliexpress UK
1/2/4/8 Channel Relay Switch Module with Optocoupler 5V 12V 24V Relay Module Board Shield with Indicator Light Support High Low Level Trigger for Arduino. User-Friendly Design: With its jumper settings for high or low trigger levels, fault-tolerant design, power and relay status indicators, and easy-to-use interface, our relay module is designed with the user in mind.
eBay
TS-VU003 VU Meter Driver Board AC DC 12V-18V Support High Low Level Input Backlight Adjustable for
Aliexpress UK
Using patch optocoupler isolation, strong driving ability, stable performance; trigger current 5mA. The module uses high‑quality relay, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A.
eBay
Snvi High Quality Active / passive Buzzer Module for Arduino New DIY Kit Active buzzer low level
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
TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler
Aliexpress UK