Replacement:BOB-09823. So we made a mistake. A and B are mislabeled. They should be swapped. Oops! This is your chance to take advantage of our mistake. If you don’t mind working with a few swapped labels you can save some money with this sale board. If you need your labels correct, check out the new version that is corrected here. Also good for reference of how things should be.
This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10Mbps. This board requires a very low amount of power and can operate from a single +3.3VDC supply.
This breakout board includes the SP3485 RS-485 transceiver, filter capacitor, and other components shown on the schematic. We’ve broken out the RS-485 output to three different connections: (1) an RJ-45 connector, (2) a 3-pin 3.55mm screw terminal, and (3) a 3-pin 0.1" pitch header; none of these output connectors come populated.
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