10pcs TTL to RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Converter Power Supply Module 3.3V 5V
Eachine1
sku: 1561602
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$9.79
Shipping from: China
Description
Features: (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- 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 R0to 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. (7) Compatible with 3.3V and 5.0V power supply. (8) Compatible with 3.3V and 5.0V signal. (9) 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 to + 85 transmission distance up to 1 kilometer (made with 850 meters of cable F1.5 tests recommended in the 800 meters, more than 800 m, please add repeaters). (10) Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. (11) Has RXD, TXD signal indicator light, monitor send and receive status. Note: Only one in the whole network, 3.3V and 5.0V power supply, RS485 signal perfectly compatible with automatic flow control module. Without "Receiving - launch" control, this module is as simple to use with your serial port operations. Package Included: 10 x TTL To RS485 Module Hardware Automatic Flow Control Module
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