![]() ![]() Then I discovered that it does not appear to possible to do a copper fill area for power on one side (top) and a ground fill area for the other side (bottom). It was an excessive amout of effort to get those two runs done. There are really only two “routed” nets: SDA and SCL. ![]() My KiCad design uses copper fill areas for the power and ground busses: the top layer for +3v3 and the bottom layer for GND. There are exactly 4 nets: SDA, SCL, +3v3, and GND. ![]() The circuit I designed uses three I2C breakouts from Adafruit connected to a TTGO-T1 (an ESP32 Devkit clone, available from China for $5/each). The UI does need some serious work, partitularly when disambiguating what a mouse click refers to (one needs to be overly precise when drawing wires in the schematic view – there is ambigiousness between moving parts and drawing wires). Creating the schematic and breadboard views were not too hard. OK, I just tried to duplicate a KiCAD project I put together recently. ![]()
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