diff --git a/README.md b/README.md index 918792d..1bb27c0 100644 --- a/README.md +++ b/README.md @@ -30,22 +30,22 @@ Altium Designer is an expensive professional-grade ECAD software for schematic c * If they are missing, you will need to import them from the Manufacturer and/or create schematic symbols and footprints 1. Drag them onto your Schematic 1. Connect them together with appropriate wires and busses - Unattached inputs (for components with internal pullup/pulldown) can be left floating with a "NO ERC" marker - Project > Validate and look at the output in Messages - Test your circuit using a breadboard. THIS IS VERY IMPORTANT to avoid wasting time later! - Create a new PCB document in your project (Of note, the 2026 rover's plate has a size of 100x135mm (4x5.3 inches) - View > Board Planning Mode - Design > Edit Board shape - Drag handles until the size is what you want - View > 2D Layer Mode - Add a "keepout" line around the board if you want to use the Autorouter to avoid it routing off the board - Import the components from the Schematic by: Design > Import Changes from ... - It will create an Engineering Change popup showing the operations it will do - Click Validate (look for red X's for possible issues) - Click Execute - Pick a PCB manufacturer. This will determine the options for traces and vias. Some options in no particular order: - AllPCB (as of 2026-06-15)Links to an external site. - Manufacturing capabilities at https://www.allpcb.com/advanced_pcb_manufacturing_capability.htmlLinks to an external site. + * Unattached inputs (for components with internal pullup/pulldown) can be left floating with a "NO ERC" marker +1. Project > Validate and look at the output in Messages +1. Test your circuit using a breadboard. **THIS IS VERY IMPORTANT to avoid wasting time later!** +1. Create a new PCB document in your project (Of note, the 2026 rover's plate has a size of 100x135mm (4x5.3 inches) + 2. View > Board Planning Mode + 2. Design > Edit Board shape + 2. Drag handles until the size is what you want + 2. View > 2D Layer Mode + 2. Add a "keepout" line around the board if you want to use the Autorouter to avoid it routing off the board +1. Import the components from the Schematic by: Design > Import Changes from ... + 2. It will create an Engineering Change popup showing the operations it will do + 2. Click Validate (look for red X's for possible issues) + 2. Click Execute +1. Pick a PCB manufacturer. This will determine the options for traces and vias. Some options in no particular order: + AllPCB (as of 2026-06-15) + Manufacturing capabilities at https://www.allpcb.com/advanced_pcb_manufacturing_capability.html Drill hole size: 0.15-6.5mm Minimum via/pad: Double-side board: 0.2mm (inner diameter)/0.5mm (outer diameter) Multi-layer board: 0.15mm (inner diameter)/0.25mm (outer diameter) ①The outer diameter must be 0.1mm larger than the inner diameter, 0.15mm preferred ②Preferred Min. Via hole size: 0.2mm Minimum trace: This depends up on the copper thickness! (1OZ copper) 0.076/0.076mm(3mil/3mil). Tolerance is 20% so you probably want to set the width to 1mm