The PCB was made in KiCAD, with some help from Inkscape and Gimp. So far, so good. Castellated edges, containing a part The trick is mounting all the components in this project so they don’t ...
Hackaday.IO user [Erik] clearly spent some time dropping down the same old set of ICs to manage a battery in their applications, so they created a drop-in castellated PCB to manage all this.