RS232 Loopback - No connector

by hutchcj.
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2 layer board of 0.38x0.65 inches (9.55x16.48 mm).
Shared on June 29th, 2016 11:44.

RS232 Loopback - No connector

Just plug the board directly into the DB9 and you’ve got yourself a loopback tester. You might want to put a dot of solder on each pad so it makes good contact with the pins.

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