Raspberry Pie 4B / 3B + 8-way 5V Relay Module Expansion Board with Optocoupler Isolation to Support PLC

Raspberry Pie 4B / 3B + 8-way 5V Relay Module Expansion Board with Optocoupler Isolation to Support PLC
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sku: 1005003454500223
$37.00
Shipping from: China
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