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Microcomputer TTL to RS485 Automatic Flow Control Module

Microcomputer TTL to RS485 Automatic Flow Control Module

Single Chip Microcomputer TTL to RS485 Module Automatic Flow Control Module - Blue

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SKU: 405692
  • US$4.78

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  • 4.23
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Quantity 3+ units 5+ units 10+ units More
Rate US$3.75 shipped US$3.74 shipped US$3.73 shipped

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Microcomputer TTL to RS485 Automatic Flow Control Module

Microcomputer TTL to RS485 Automatic Flow Control Module

US$4.23 US$4.78 12%OFF 0

(1) Compatible with 3.3V and 5.0V power supply. 

(2) Compatible with 3.3V and 5.0V signal. 

(3) Absolute using imported chips, industrial design, anti-interference ability, while using more effective mine design can be used in the industrial field and harsh field environments, the working temperature of -40~85'C, transmission distance up to 1 kilometer (made with 850 meters of cable F1.5 tests recommended in the 800 meters, more than 800m, please add repeaters). 

(4) Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. 

(5) Has RXD, TXD signal indicator light, monitor send and receive status. 


(1) The module is fully considered mine design, long-distance transmission signal 485 in the wild, the module "Connected to the ground" terminal is connected to the earth, can play a very good anti-jamming and anti-lightning effect, more secure; it can not connect with the ground when the indoor short-distance transmission. 

(2) Using the standard 2.54 pitch design, easy secondary development. 

(3) Has a 120 ohm termination resistors, shorted R0 to enable the termination resistor. 

(4) Support multi-machine communication, allowing access at up to 128 devices on the bus 

(5) The module can be hot swapped, the signal does not appear dead phenomenon. 

(6) A large area of copper to prevent interference. 

Quantity1 set
Form ColorBlue
English Manual / SpecYes
Download Link http://pan.baidu.com/s/1hqo4E5u
Dimensions & Weight
Dimensions 1.73 in x 0.59 in x 0.16 in (4.4 cm x 1.5 cm x 0.4 cm)
Weight 0.18 oz (5 g)
Packing List
1 x Module

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Quantity 3+ units 5+ units 10+ units
Rate US$3.75 shipped US$3.74 shipped US$3.73 shipped

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