Heart phone case for mom

thingiverse

This code snippet appears to be a part of an Autodesk Eagle project file, which is a software tool for creating and editing electronic printed circuit board (PCB) layouts. Let's break it down: ### Topological Object Coordinates ```javascript var layer_names = "copper",//0: copper top, 1:copper bot, "pad layer","vss layer","bga layer", "component layer","ground pad layer" ] ``` These variables hold names for the different layers of a PCB, including: - `copper`: Copper on both sides of the board. - `pad_layer`: Metal contacts where components attach. - `vss`: Voltage Supply (e.g., +3.3V, GND). - `bga_layer`: For Ball Grid Array (BGA) connections, used when mounting SMDs to PCB directly through an array of solder balls rather than on a specific pad. ### Object Definition for Each Pad and Connection Each list item is in the format: ``` [x1,y1], [x2,y2],[x3,y3] # The first item specifies all 12 points. [layer_1,pad1_number,lid_number,layer_2,pad_number], ... layer = [0,2] # which layers use connections_number = layer # for both sides and number [0-47-1] [1-45-0] etc. layer2: cnc=7 pad_size:6 voltage=-2,8.16 // default = +3V = +5 size = 8 // cnc_size = [x1,y1], [x2,y2], // pad for VSS and bga. ... layer2:cnc=[10,-22] cnc = connection cnc number ... // pin and cnc numbers of the pads which should // be in layer1 connection_numbers: 0, // the index (from left to right in layer) of first pad. layer2 = pad1[16] pad = 12.96 mm cncsize = cnc2[19.98]mm=20-18 ... and so on with layer3. ``` Each layer has a series of connection and pin numbers defined along with their spatial locations (`[x,y]`) across the board. ### Component Locations ```javascript "1.24","QX10GTRWV", [[14,35], // [top center],[circuit location][0..] [[26,46]] # in case we use both top and bot #[bottom pad left/top/right]. # pin=16-0 = top-pad-5,bottom=14 -5 ] ``` This indicates the physical locations of a component's top pins on one layer (`circuit_location`) or both top and bottom layers. ### Component Values (or descriptions) These are not present in the code snippet but follow after the object description list. Each `Q` refers to a series of pads defined above where "14,35" signifies that pin 16 on pad 5 (in layer cnc1) has coordinates [14,-35]. "Q" and subsequent text are values and/or comments referring to specific circuit functions.