Putting together one of these devices and talking about how the hardware works. And some other stuff too idk this video kinda got away from me boys. For a more detailed writeup about the hardware and the build process, check out the Development Parts 3 and 4 pages linked below. This is an update in my DIY OP-1 inspired portable groovebox project, and clearly there are still many improvements to be made. To follow my progress as I add more functionality, to download code/hardware files, or for more information on this device, check out the following links. Download V2.3 board (PCB) files, bill of materials, and CAD/3D files at Check out development updates and leave feedback! Development Part 1: Development Part 2: Development Part 3: Development Part 4: Where I like to get my PCBs (JLCPCB): Where I get my components (Digikey): Timestamps: 0:00 Intro 1:01 Future Upgrades 2:36 Some Awful Preprocessing 3:51 Soldering Power Supply 7:47 Testing Power Supply 8:20 Soldering the Rest of the Board 12:32 How the Hardware Works 16:07 Flashing Input Processor Firmware 18:56 A Cheeky Little Test 20:05 Batteries! 23:51 Device Assembly and Cosmetics 25:41 Checking Electrical Noise 27:18 Outro