Wiring diagram for MAX490 Transceiver
Posted: Mon Oct 02, 2023 1:06 pm
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.
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.
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.