These breakouts are assembled using point to point soldering, which involves bridging solder connections to complete signal paths. Make sure that no pins become bridged accidentally.

TRS Jack

Insert the TRS jack into the breakout board. Solder the TRS jack in place.

Data Signal

Insert a 10Ω resistor between the TX header pin and the TRS jack's pin 2 (ring).

Solder the resistor in place. Connect the resistor to the pins by bridging the solder connections.

GND Signal

Cut and strip a piece of wire for the ground connection.

Insert the wire between the TRS jack's pin 1 (sleeve) and the GND header.

Solder the wire in place. Connect the wire to the pins by bridging the solder connections.

3V Signal

Insert a 30Ω resistor between the 3V header pin and the TRS jack's pin 5 (tip).

Solder the resistor in place. Connect the resistor to the pins by bridging the solder connections.

And that completes your TRS-B MIDI friend!

This guide was first published on Apr 26, 2022. It was last updated on 2022-04-26 14:57:46 -0400.

This page (Solder the TRS-B MIDI Friend) was last updated on Apr 26, 2022.

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