16 Channel Relay Module Board Shield with Optocoupler for Arduino Raspberry Pi *
10,50 €
2, The use of industry quality isolation optocoupler, anti-interference ability, stable performance; trigger current only 3mA;. 1, With optocoupler protection. i/o port drive low level effective. 1, The module adopts genuine high-quality relay, normally open interface load: AC 250V/10A, DC 30V/10A;.
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