instructablesImage: instructablesKeyboard matrix circuit.A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires,similar to a diode matrix. For example,16 wires arranged in 8 rows and 8 columns can connect 64 keys — sufficient for a full five octaves of range (61 notes). Keyboard matrix circuit - Wikipedia Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how GitHub - ruiqimao/keyboard-pcb-guide: Guide on how to Table of ContentsSetting UpSchematicsAssociating Components and FootprintsGenerating NetlistPCBProduction1. Setting Up 2. Schematics 3. Associating Components and Footprints 4. Generating Netlist 5. PCB 1. Component Placement 2. Edge Cuts 3. Routing 4. Mounting Holes 6. Production 1. Gerber Files 2. Manufacturer 3. ComponentsSee more on githubPublished: Jan 15, 2017 PCB Guide Part 4 - The.. | Keyboard Wiki @ ai03 The center is the list of components in the schematic. The right is a list of component in the library selected in the left. Components come in all shapes and sizes; however, we will use typical and common sizes suited for keyboards.