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Reviewed in France on January 3, 2025
Used to communicate between two arduino nano, it works only when my serial is at 2900 baud... I don't understand why and it slow down my code a lot..
Kevin Miller
Reviewed in the United States on January 28, 2025
Not good. Outputs are really weak. Might be OK for a point-to-point connection without line termination.Output is disabled (not active) whenever input is high.
antonio maghella
Reviewed in Italy on June 10, 2024
Ancora una volta queste schede arrivano un po con resistenza R5 e un po senza , con i lettori RS485 Dahua Bassa inpendenza danno problemi senza R5 .Anche con altri fornitori stesso problema .
Kaylee
Reviewed in the United States on December 21, 2024
They do not work for me like my Waveshare converters. I have connected properly but will not send data to my RS485 to USB converter. When connected to my Teensy 4.1 board I can see the RX led blink on this board but it is not send anything to my USB converter. Wave share to the rescue!
Dr. Gary Doherty
Reviewed in the United Kingdom on January 6, 2024
Just connect it up and off you go. The supplied connector+leads make life easy.I found one of the screws on the blue 485-side connector a bit stiff, almost to the point where I was worried I'd break it, but it has been no trouble.I had it connected to the 3.3V outputs of a Teensy 4.1, so it does work correctly at 3.3V
DJ M.
Reviewed in the United States on January 21, 2024
I like the design of the chip. The 4 wire connector is great for development. However, one of the boards I received the board keeps losing it's power connection due to a poor solder connection.
JoM
Reviewed in Germany on December 8, 2023
... und macht was es soll.
Mr Paul Kemp
Reviewed in the United Kingdom on August 10, 2022
No guidance document with the product, unable to find anything online. I messaged the supplier and got no response. Product itself looks OK but one star for the zero documentation and no support response offered.
John
Reviewed in the United States on July 13, 2022
Works great for driving differential RS485 signal from a 3.3-3.7v supply. Unlike many 485 breakouts it does not require an RSE/enable pin; Tx/Rx switching is handled onboard when data is detected on the incoming Tx TTL line, which will save you a microcontroller pin.Screw terminals are good quality. Output common (labeled Earth) is not connected to the board/chip GND, if necessary for your circuit (e.g. DMX) you can bridge the pins with a small wire or ground lift switch.I haven't found a datasheet for the board yet; since this is likely a clone of another design, it doesn't have any identification numbers or name.
Matthew B.
Reviewed in the United States on May 2, 2021
I needed a way for 30+ separate devices to communicate to one control system and wireless would have been way to expensive to do this with. One thing to note is that the TX and RX wires are labeled literally meaning do not reverse them on the unit you connect to just connect TX to TX and RX to RX
Team JAS
Reviewed in the United States on December 5, 2021
These work great, as advertised
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