Modulo optoaccoppiatore DC5V 9V 12V 24V 1-2-4-8 canali relè alto basso livello Arduino

9V 1 Channel Relay Module 5V 1 Channel Relay Module 1-Channel relay module, with photoelectric isolation. With power and relay action indicator. The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A.

eBay