Measuring and test-tools, various prototypes from a single unit volume, create a PCB and its manufacturing data
Symmetry always helps

💡𝐒𝐢𝐦𝐩𝐥𝐢𝐜𝐢𝐭𝐲 𝐢𝐬 𝐨𝐟𝐭𝐞𝐧 𝐭𝐡𝐞 𝐠𝐚𝐭𝐞𝐰𝐚𝐲 𝐭𝐨 𝐩𝐞𝐫𝐟𝐞𝐜𝐭𝐢𝐨𝐧 I recently needed to test two AC switches—a flexible check before I sit to the #kicad. I used the breadboard for it. After I built and verified the first one, I mirrored the