MIDI Solenoid Drum Kit

by Ruiz Brothers and Liz Clark

published August 05, 2020, last edited January 22, 2025

posted in 3D Printing Robotics & CNC CircuitPython

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61

Intermediate

Project guide

ULN2803A Setup

DIP Socket

The ULN2803A will snap onto an 18 pin DIP socket. This allows the IC to be removable if it ever needs to be replaced.

Installing Dip Socket

The DIP socket is placed onto the Perma-Proto half size PCB. Reference the photo for best placement. Use pieces of mounting tack to temporarily secure the socket to the PCB.

Solder Socket to Perma-Proto

Apply solder to all 18 pins from the bottom the Perma-Proto.

Double Check

Check to ensure all of the pins are properly soldered and have solid solder joints.

Page last edited March 08, 2024

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