Tested with MojoScale
Waveshare ESP32-S3-RS485-CAN
ESP32-S3 gateway board with RS485, CAN, 16MB flash, USB flashing, terminal power, and a DIN-rail friendly enclosure.
ESP32-S3
16MB flash
RS485
7-36V input
USB-C flashing
$18.99
Official Waveshare listing. Prices and availability can change.