ethernet to ttl module

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RS232 to TTL Converter Module

1.4 pin connector - GND, TXD, +5v, RXD 2.Suitable for use with most microcontrollers

Full-duplex Wireless RS485/RS232/TTL Module

1) Full-duplex data radio module, adopts double phase-lock loop, double VCO structure 2) It has high stability and reliability

FU650AD20-TC10 650nm red Laser Diode Module TTL modulation

1.650nm red Laser Diode Module TTL modulation 2.0-50KHZ 3.Brightly red dot laser 4.Industrial quality 5.CE,FDA,ROHS