Sell Scm TTL to RS485 Converter 485 to Serial UART Automatic Flow best price

Highlights: - compatible with 3.3v and 5.0v power supply. - compatible with 3.3v and 5.0v signal. - absolute using imported chips; industrial design; anti-interference ability; While using more effective 485 lightning protection design can be used in the Industrial field and harsh field environment; the working temperature of - 40 to + 85 degree celsius; transmission distance up to 1 kilometer (made with 850 Meters of cable f1.5 tests recommend using in the 800 meters when more than 800m please add repeaters). - semi-hole process design, thickness 0.8mm, can easily use as a picture Board, it can also be welded terminal use. - has rxd, txd signal indicator lights, monitor send and receive status. Features: - the module is fully covered lightning protection design, when Long-distance transmission in the wild, the module connected to the ground Terminal is connected to the ground, can play a very good jamming and The indoor short-distance transmission. Using the standard 2.54 pitch design easy to secondary development. Has a 120 ohm termination resistors, shorted r0 to enable the matching Resistors. - support multi-machine communication, allowing access at up to 128 devices on The bus The module can be hot swapped, the signal does not appear dead phenomenon. - a large area of copper to prevent signal interference.