Are there any instructions on how to use it? Send or receive Messages?

This is a "well behaved" product which seems to meet its specifications. I recommend this product for what it does. It works well for both send and receive. I have several of them. Serial communications can be a bit "tricky" so if you are not familiar with it, I recommend either a book or research on the internet. A full discussion of this subject is a bit beyond this forum. Good luck.

Would it work with rs422?

Currently, only RS485 is supported.

this item include the cables on the picture?

I don't know what picture you are looking at but - probably. The package included a 4 conductor cable approximately 12 inches long. It is designed to plug into the "TTL" end.

Does the tx go into high-z (tri-state) when not transmitting, so it can be used on modbus or multi-drop lines?

Yes. It works well with Modbus multi-drop lines as long as your "master" is working according to spec. For the price, just try it to be sure it works for you.

Dsd Tech Sh U12 Rs485 To Ttl 5v Board Max13487

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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3144 som

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Connect smarter, scale faster, and stay protected with DSD TECH’s RS485 board!

ALWAYS ON SUPPORT - DSD TECH’s 24-hour response and 1-year replacement guarantee keep you covered
ROCK SOLID STABILITY - Powered by MAX13487 chip from MAXIM for unmatched reliability
BUILT IN SAFETY SHIELD - 15KV ESD and TVS overvoltage protection keep your hardware safe and sound
LIGHTNING FAST DATA FLOW - Achieve blazing 500Kbps transmission speeds for seamless communication
ULTIMATE NETWORK EXPANSION - Connect up to 128 slave devices for scalable multi-machine setups

The DSD TECH SH-U12 RS485 to TTL 5V Board, featuring the MAX13487 chip, offers high-speed 500Kbps data transmission with robust 15KV ESD and TVS protection. Compatible with Raspberry Pi, Arduino, and other MCUs, it supports up to 128 slave devices for extensive multi-machine communication. Backed by responsive 24-hour customer support and a 1-year warranty, this compact board ensures reliable and scalable network connectivity for professional projects.

Specifications

ASIN	B07B667STP
Best Sellers Rank	#1,630 in Single Board Computers (Computers & Accessories)
Customer Reviews	4.2 4.2 out of 5 stars (199)
Date First Available	March 2, 2018
Item Weight	0.528 ounces
Item model number	SH-U12
Manufacturer	DSD TECH
Product Dimensions	2 x 0.7 x 0.7 inches

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3144 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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DSD TECH SH-U12 RS485 to TTL 5V Board with MAX13487 Chip for Raspberry Pi Arduino and Other MCU

Description

Specifications

Common Questions