ttl to rs485 serial line module supports 3.3V and 5V signal control UART level mutual conversion hardware process MCU DC RXD TXD

ttl to rs485 serial line module supports 3.3V and 5V signal control UART level mutual conversion hardware process MCU DC RXD TXD
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sku: 1005003605371053
$1.91
Shipping from: China
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