DollaTek 5V 1-Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

£3.99
Amazon
Amazon
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DollaTek 5V 1-Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger£3.99

DollaTek 5V 1-Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

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