Relay Shields There are 2 products.
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Arduino Shield 4 Relays
A shield with 4 relays to switch the current stronger.
A shield with 4 relays to switch the current stronger.
A shield with 4 relays to switch the current stronger.
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Shield relay V2
A shield to drive 4 relay outputs high voltage.
A shield to drive 4 relay outputs high voltage.
A shield to drive 4 relay outputs high voltage.