Wiring diagram for MAX490 Transceiver

Instructions to create a NABU cable and get assistance with your cable. Even find out where to buy a pre-made cable.
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dave
Posts: 8
Joined: Mon Oct 02, 2023 11:56 am

Wiring diagram for MAX490 Transceiver

Post by dave »

I am planning some microcontroller-based IA projects and thus wanted to have regular TTL UART accessible outside of NABU without modifying any internals. Since there are hobbyist breakout boards readily available for it, I decided to use an Analog Devices MAX490 full-duplex RS422 transceiver.

After some trial and error, the following picture shows how to connect the chip up to NABU. I verified that it's working by using an FTDI TTL Serial to USB converter and DJ's Internet Adapter software.
nabu-max490.png
As the illustration shows, we are looking at the front side of the socket, i.e. the solder side of a DIN 5-pin connector.
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