RS485 TTL232 Relay Delay Switch 4CH l MOS Transistor 8CH TTL Level Output Board Modbus RTU AT Multifunctional Relay Board Module

RS485 TTL232 Relay Delay Switch 4CH l MOS Transistor 8CH TTL Level Output Board Modbus RTU AT Multifunctional Relay Board Module
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sku: 1005005471058063
$4.25
Shipping from: China
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