16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Smart Expansion Board with Optocoupler Electronic Components. The use of isolated optocoupler, anti-interference ability, stable performance; trigger current only 3mA.
eBay
Expand the capabilities of your project with ease. Program and develop using for Arduino IDE, enabling easy access to a wide range of projects. Relay type: 5V relay. Low Power Consumption Design : Designed with low power consumption in mind, this wireless smart relay module effectively reduces energy consumption.
eBay
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
5x 1 channel relay 5V / 230V 1 CH relay module, suitable for Arduino for Raspberry Pi. 1-channel relay for Raspberry Pi for Arduino. Suitable for Arduino for Raspberry Pi AVR PIC for DSP for MSP430 for TTL.
eBay
UK Dispatch. Great for DIY project. Material: PCB board.
eBay
Active low relay board with 5V relays capable of being switched on-off by an opto-isolated digital input. Each relay features an LED indicator. 2 Channels. Channels: 2. Switching Capacity: 10A.
eBay
La scheda è dotata di relè 10A 250VAC - 10A 30VDC. Capacità d'uscita: 10A 250VAC - 10A 30VDC. Canali 4 relè da 5V.
eBay
16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Smart Expansion Board with Optocoupler Electronic Components. The use of isolated optocoupler, anti-interference ability, stable performance; trigger current only 3mA.
eBay