TTL 8-Channel Serial Relay Module DC5V 120ma TTL 8-channel Serial Port Relay Module RF Control Support Self-locking Interlocking Point-and-trip Mode Relay Board 128x48x16mm

TTL 8-Channel Serial Relay Module DC5V 120ma TTL 8-channel Serial Port Relay Module RF Control Support Self-locking Interlocking Point-and-trip Mode Relay Board 128x48x16mm

Specification: Working voltage: 5V Working current: 120ma Communication interface: TTL Number of relays: 8 433MHz RF receiving module: 1 Size: 128x48x16mm Self-locking mode: This mode is supported by both the remote control and TTL serial port....


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